Segmentation fault

CMakeLists.txt

@@ -30,6 +30,20 @@ include_directories(5gaka)
 include_directories(common)
 include_directories(libngap)
 
+####### for contexts ###########
+include_directories(contexts)
+include_directories(utils)
+include_directories(utils/bstr)
+include_directories(contexts)
+include_directories(nas/ies)
+include_directories(nas/common)
+include_directories(nas/msgs)
+include_directories(nas/utils)
+add_library (CONTEXTS STATIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/contexts/nas_context.cpp
+)
+################################
+
 
 ################### code frrom amf cmakelists###########################
 find_package(PkgConfig REQUIRED)

contexts/CMakeLists.txt

+################################################################################
+# Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The OpenAirInterface Software Alliance licenses this file to You under
+# the OAI Public License, Version 1.1  (the "License"); you may not use this file
+# except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.openairinterface.org/?page_id=698
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#-------------------------------------------------------------------------------
+# For more information about the OpenAirInterface (OAI) Software Alliance:
+#      contact@openairinterface.org
+################################################################################
+
+include_directories(${SRC_TOP_DIR}/../build/ext/spdlog/include)
+include_directories(${SRC_TOP_DIR}/itti)
+include_directories(${SRC_TOP_DIR}/itti/msgs)
+include_directories(${SRC_TOP_DIR}/common)
+include_directories(${SRC_TOP_DIR}/common/unicode)
+include_directories(${SRC_TOP_DIR}/contexts)
+include_directories(${SRC_TOP_DIR}/nas/ies)
+include_directories(${SRC_TOP_DIR}/nas/common)
+include_directories(${SRC_TOP_DIR}/nas/utils)
+include_directories(${SRC_TOP_DIR}/ngap/libngap)
+include_directories(${SRC_TOP_DIR}/ngap/ngapIEs)
+include_directories(${SRC_TOP_DIR}/sctp)
+include_directories(${SRC_TOP_DIR}/secu_algorithms/5gaka)
+include_directories(${SRC_TOP_DIR}/secu_algorithms/nas_enc_int)
+include_directories(${SRC_TOP_DIR}/utils)
+include_directories(${SRC_TOP_DIR}/utils/bstr)
+
+add_library (CONTEXTS STATIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/gNB_context.cpp
+  ${CMAKE_CURRENT_SOURCE_DIR}/nas_context.cpp
+  ${CMAKE_CURRENT_SOURCE_DIR}/pdu_session_context.cpp
+)
+

contexts/gNB_context.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file gNB_context.cpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "gNB_context.hpp"
+

contexts/gNB_context.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file gNB_context.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _GNB_CONTEXT_H_
+#define _GNB_CONTEXT_H_
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+#include "sctp_server.hpp"
+#include "NgapIEsStruct.hpp"
+
+extern "C" {
+#include "Ngap_PagingDRX.h"
+#include "bstrlib.h"
+}
+
+using namespace sctp;
+using namespace ngap;
+
+enum amf_ng_gnb_state_s {
+  NGAP_INIT,
+  NGAP_RESETING,
+  NGAP_READY,
+  NGAP_SHUTDOWN
+};
+class gnb_context {
+ public:
+  enum amf_ng_gnb_state_s ng_state;
+
+  std::string gnb_name;
+  long globalRanNodeId;
+  e_Ngap_PagingDRX default_paging_drx;  //v32, v64, v128, v256
+  std::vector<SupportedItem_t> s_ta_list;
+  bstring ue_radio_cap_ind;
+
+  sctp_assoc_id_t sctp_assoc_id;
+  sctp_stream_id_t next_sctp_stream;
+  sctp_stream_id_t instreams;
+  sctp_stream_id_t outstreams;
+
+};
+
+#endif

contexts/nas_context.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file nas_context.cpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "nas_context.hpp"
+
+//------------------------------------------------------------------------------
+nas_context::nas_context() {
+  security_ctx = NULL;
+  is_imsi_present = false;
+  is_stacs_available = false;
+  is_auth_vectors_present = false;
+  is_specific_procedure_for_registration_running = false;
+  is_specific_procedure_for_deregistration_running = false;
+  is_specific_procedure_for_eCell_inactivity_running = false;
+  is_common_procedure_for_authentication_running = false;
+  is_common_procedure_for_identification_running = false;
+  is_common_procedure_for_security_mode_control_running = false;
+  is_common_procedure_for_nas_transport_running = false;
+  auts = NULL;
+}
+
+//------------------------------------------------------------------------------
+nas_context::~nas_context() {
+}

contexts/nas_context.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file nas_context.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _AMF_NAS_CONTEXT_H_
+#define _AMF_NAS_CONTEXT_H_
+
+#include <stdint.h>
+#include <string>
+#include "struct.hpp"
+
+#include "nas_security_context.hpp"
+#include "security_def.hpp"
+#include "authentication_algorithms_with_5gaka.hpp"
+
+class nas_context {
+ public:
+  nas_context();
+  ~nas_context();
+  bool ctx_avaliability_ind;
+  bool is_stacs_available;
+  long amf_ue_ngap_id;
+  uint32_t ran_ue_ngap_id;
+  std::string nas_status;
+
+  /************ parameters from Registration request *************/
+  uint8_t registration_type :3;
+  bool follow_on_req_pending_ind;
+  uint8_t ngKsi :4;
+  //mobility identity: imsi, supi, 5g-guti, etc
+  std::string imsi;
+  uint8_t mmCapability;
+  uint8_t ueSecurityCapEnc;
+  uint8_t ueSecurityCapInt;
+  std::vector<nas::SNSSAI_t> requestedNssai;
+  std::string serving_network;
+  bstring auts;
+  /************ NAS EP(s) ****************/
+  bool is_specific_procedure_for_registration_running;
+  bool is_specific_procedure_for_deregistration_running;
+  bool is_specific_procedure_for_eCell_inactivity_running;
+  bool is_common_procedure_for_authentication_running;
+  bool is_common_procedure_for_identification_running;
+  bool is_common_procedure_for_security_mode_control_running;
+  bool is_common_procedure_for_nas_transport_running;
+
+  /************ security related ***********/
+#define MAX_5GS_AUTH_VECTORS          1
+  auc_vector_t _vector[MAX_5GS_AUTH_VECTORS];/* 5GS authentication vector */
+  _5G_HE_AV_t _5g_he_av[MAX_5GS_AUTH_VECTORS];  //generated by UDM
+  _5G_AV_t _5g_av[MAX_5GS_AUTH_VECTORS];  //generated by ausf
+  uint8_t kamf[MAX_5GS_AUTH_VECTORS][32];
+  security_context_t _security;
+
+  nas_secu_ctx *security_ctx;
+
+  bool is_current_security_available;
+
+  int registration_attempt_counter;  //used to limit the subsequently reject registration attempts(clause 5.5.1.2.7/5.5.1.3.7, 3gpp ts24.501)
+  /**************** parameters present? ****************/
+  bool is_imsi_present;
+  bool is_5g_guti_present;
+  bool is_auth_vectors_present;
+  bool to_be_register_by_new_suci;
+};
+
+#endif

contexts/nas_security_context.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file nas_security_context.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _NAS_SECURITY_CONTEXT_H_
+#define _NAS_SECURITY_CONTEXT_H_
+
+#include <stdint.h>
+
+#define AUTH_KNAS_INT_SIZE  16 /* NAS integrity key     */
+#define AUTH_KNAS_ENC_SIZE  16 /* NAS cyphering key     */
+
+#define NGKSI_MAX_VALUE 6
+
+/* Type of security context */
+typedef enum {
+  SECURITY_CTX_TYPE_NOT_AVAILABLE = 0,
+  SECURITY_CTX_TYPE_PARTIAL_NATIVE,
+  SECURITY_CTX_TYPE_FULL_NATIVE,
+  SECURITY_CTX_TYPE_MAPPED
+} nas_sc_type_t;
+
+/*
+ Internal data used for security mode control procedure
+ */
+typedef struct {
+  unsigned int ue_id; /* UE identifier                         */
+#define SECURITY_COUNTER_MAX    5
+  unsigned int retransmission_count; /* Retransmission counter    */
+  int ksi; /* NAS key set identifier                */
+  int nea; /* Replayed EPS encryption algorithms    */
+  int eea; /* Replayed EPS encryption algorithms    */
+  int nia; /* Replayed EPS integrity algorithms     */
+  int eia; /* Replayed EPS integrity algorithms     */
+  int ucs2; /* Replayed Alphabet                     */
+  int uea; /* Replayed UMTS encryption algorithms   */
+  int uia; /* Replayed UMTS integrity algorithms    */
+  int gea; /* Replayed G encryption algorithms      */
+  bool umts_present;
+  bool gprs_present;
+  int selected_eea; /* Selected EPS encryption algorithms    */
+  int selected_eia; /* Selected EPS integrity algorithms     */
+  int saved_selected_eea; /* Previous selected EPS encryption algorithms    */
+  int saved_selected_nea; /* Previous selected EPS encryption algorithms    */
+  int saved_selected_eia; /* Previous selected EPS integrity algorithms     */
+  int saved_selected_nia; /* Previous selected EPS integrity algorithms     */
+  int saved_ngksi; /* Previous ksi     */
+  uint16_t saved_overflow; /* Previous dl_count overflow     */
+  uint8_t saved_seq_num; /* Previous dl_count seq_num     */
+  nas_sc_type_t saved_sc_type;
+  bool notify_failure; /* Indicates whether the identification
+   * procedure failure shall be notified
+   * to the ongoing EMM procedure */
+} security_data_t;
+
+typedef uint8_t ngksi_t;
+
+typedef struct {
+  uint32_t spare :8;
+  uint32_t overflow :16;
+  uint32_t seq_num :8;
+} count_t;
+
+typedef struct {
+  uint8_t _5gs_encryption;
+  uint8_t _5gs_integrity;
+} capability_t;
+
+typedef struct {
+  uint8_t encryption :4;
+  uint8_t integrity :4;
+} selected_algs;
+
+class nas_secu_ctx {
+ public:
+  int vector_pointer;
+  nas_sc_type_t sc_type;
+  ngksi_t ngksi;
+  uint8_t knas_enc[AUTH_KNAS_ENC_SIZE];
+  uint8_t knas_int[AUTH_KNAS_INT_SIZE];
+  count_t dl_count;
+  count_t ul_count;
+  capability_t ue_algorithms;
+  selected_algs nas_algs;
+};
+
+#endif

contexts/pdu_session_context.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file pdu_session_context.cpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "pdu_session_context.hpp"
+
+//------------------------------------------------------------------------------
+pdu_session_context::pdu_session_context() {
+  smf_available = false;
+  isn2sm_avaliable = false;
+  isn1sm_avaliable = false;
+}
+
+//------------------------------------------------------------------------------
+pdu_session_context::~pdu_session_context() {
+}

contexts/pdu_session_context.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file pdu_session_context.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _PDU_SESSION_CONTEXT_H_
+#define _PDU_SESSION_CONTEXT_H_
+
+#include <string>
+#include "bstrlib.h"
+#include "amf.hpp"
+
+class pdu_session_context
+{
+public:
+  pdu_session_context();
+  ~pdu_session_context();
+
+  uint32_t ran_ue_ngap_id;
+  long amf_ue_ngap_id;
+  uint8_t req_type;
+  uint8_t pdu_session_id;
+  bstring n2sm;
+  bool isn2sm_avaliable;
+  bstring n1sm;
+  bool isn1sm_avaliable;
+  std::string dnn;
+  std::string remote_smf_addr[0]; //"192.168.12.10:8080"
+  bool smf_available;
+  std::string location;
+  snssai_t snssai;
+  plmn_t plmn;
+  std::string smf_context_location;
+};
+#endif

contexts/security_def.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file security_def.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _SECURITY_DEF_H_
+#define _SECURITY_DEF_H_
+
+#define AUTH_SQN_INDEX  0
+#define AUTH_AMF_INDEX  (AUTH_SQN_INDEX + AUTH_SQN_SIZE)
+#define AUTH_MAC_INDEX  (AUTH_AMF_INDEX + AUTH_AMF_SIZE)
+
+/*
+ * Size of the authentication challenge parameters in bytes
+ */
+#define AUTH_SQN_SIZE   6  /* Sequence number:          48 bits  */
+#define AUTH_AK_SIZE    6  /* Anonymity key:            48 bits  */
+#define AUTH_AMF_SIZE   2  /* Authentication Management Field:  16 bits  */
+#define AUTH_MAC_SIZE   8  /* Message Authentication Code:  64 bits  */
+#define AUTH_AUTN_SIZE  16 /* Authentication token:     128 bits
+                AUTN = (SQN ⊕ AK) || AMF || MAC        */
+#define AUTH_MACS_SIZE  8  /* Re-synchronization MAC:       64 bits  */
+#define AUTH_AUTS_SIZE  16 /* Re-synchronization AUT:       128 bits */
+#define AUTH_RAND_SIZE  16 /* Random challenge:         128 bits     */
+#define AUTH_CK_SIZE    16 /* Ciphering key:            128 bits     */
+#define AUTH_IK_SIZE    16 /* Integrity key:            128 bits     */
+#define AUTH_RES_SIZE   16 /* Authentication response:      128 bits */
+#define AUTH_SNID_SIZE  3  /* Serving network's identity:   24 bits  */
+#define AUTH_KASME_SIZE 32 /* KASME security key:        256 bits    */
+#define AUTH_KNAS_INT_SIZE  16 /* NAS integrity key     */
+#define AUTH_KNAS_ENC_SIZE  16 /* NAS cyphering key     */
+#define AUTH_KENB_SIZE      AUTH_KASME_SIZE /* eNodeB security key   */
+
+/* "Separation bit" of AMF field */
+#define AUTH_AMF_SEPARATION_BIT(a)  ((a) & 0x80)
+
+/*
+ * 5GS authentication vector
+ */
+typedef struct {
+  /* ASME security key                */
+  uint8_t kasme[AUTH_KASME_SIZE];
+  /* Random challenge parameter           */
+  uint8_t rand[AUTH_RAND_SIZE];
+  /* Authentication token parameter       */
+  uint8_t autn[AUTH_AUTN_SIZE];
+  /* Expected Authentication response parameter   */
+#define AUTH_XRES_SIZE  AUTH_RES_SIZE
+  uint8_t xres_size;
+  uint8_t xres[AUTH_XRES_SIZE];
+} auth_vector_t;
+
+typedef struct security_context_s {
+  //emm_sc_type_t sc_type;     /* Type of security context        */
+  /* state of security context is implicit due to its storage location (current/non-current)*/
+#define EKSI_MAX_VALUE 6
+  //ksi_t eksi;           /* NAS key set identifier for E-UTRAN      */
+#define EMM_SECURITY_VECTOR_INDEX_INVALID (-1)
+  int vector_index; /* Pointer on vector */
+  uint8_t knas_enc[AUTH_KNAS_ENC_SIZE];/* NAS cyphering key               */
+  uint8_t knas_int[AUTH_KNAS_INT_SIZE];/* NAS integrity key               */
+
+  struct count_s {
+    uint32_t spare :8;
+    uint32_t overflow :16;
+    uint32_t seq_num :8;
+  } dl_count, ul_count; /* Downlink and uplink count parameters    */
+
+  struct {
+    uint8_t eps_encryption; /* algorithm used for ciphering            */
+    uint8_t eps_integrity; /* algorithm used for integrity protection */
+    uint8_t umts_encryption; /* algorithm used for ciphering            */
+    uint8_t umts_integrity; /* algorithm used for integrity protection */
+    uint8_t gprs_encryption; /* algorithm used for ciphering            */
+    bool umts_present :1;
+    bool gprs_present :1;
+  } capability; /* UE network capability           */
+
+  struct {
+    uint8_t encryption :4; /* algorithm used for ciphering           */
+    uint8_t integrity :4; /* algorithm used for integrity protection */
+  } selected_algorithms; /* MME selected algorithms                */
+
+  // Requirement MME24.301R10_4.4.4.3_2 (DETACH REQUEST (if sent before security has been activated);)
+  uint8_t activated;
+} security_context_t;
+
+#endif

contexts/ue_context.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file ue_context.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _UE_CONTEXT_H_
+#define _UE_CONTEXT_H_
+
+#include <stdint.h>
+#include <map>
+#include <shared_mutex>
+
+#include "NgapIEsStruct.hpp"
+
+extern "C" {
+#include "Ngap_RRCEstablishmentCause.h"
+}
+
+using namespace ngap;
+
+class ue_context {
+ public:
+  uint32_t ran_ue_ngap_id;  //32bits
+  long amf_ue_ngap_id :40;  //40bits
+
+  e_Ngap_RRCEstablishmentCause rrc_estb_cause;
+  bool isUeContextRequest;
+  NrCgi_t cgi;
+  Tai_t tai;
+};
+
+#endif

contexts/ue_ngap_context.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file ue_ngap_context.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _UE_NGAP_CONTEXT_H_
+#define _UE_NGAP_CONTEXT_H_
+
+#include <stdint.h>
+#include <map>
+#include <shared_mutex>
+
+#include "gNB_context.hpp"
+
+using namespace sctp;
+typedef enum {
+  NGAP_UE_INVALID_STATE,
+  NGAP_UE_WAITING_CSR,  //Context Setup Response(CSR)
+  NGAP_UE_HANDOVER,
+  NGAP_UE_CONNECTED,
+  NGAP_UE_WAITING_CRR
+} ng_ue_state_t;
+
+class ue_ngap_context {
+ public:
+  uint32_t ran_ue_ngap_id;  //32bits
+  long amf_ue_ngap_id :40;  //40bits
+
+  sctp_stream_id_t sctp_stream_recv;  // used to decide which ue in gNB
+  sctp_stream_id_t sctp_stream_send;  // used to decide which ue in gNB
+
+  sctp_assoc_id_t gnb_assoc_id;  //to find which gnb this UE belongs to
+
+  bool ueContextRequest;
+  uint32_t s_tmsi_5g;
+
+  //state management, ue status over the air
+  ng_ue_state_t ng_ue_state;
+};
+
+#endif

external/include/pistache/base64.h

@@ -19,7 +19,7 @@
 
 #if __cplusplus < 201703L
 namespace std {
-typedef uint8_t byte;
+  typedef uint8_t byte;
 }
 #endif
 

external/include/pistache/endpoint.h

@@ -82,8 +82,7 @@ public:
    * [1] https://en.wikipedia.org/wiki/BREACH
    * [2] https://en.wikipedia.org/wiki/CRIME
    */
-  void useSSL(const std::string &cert, const std::string &key,
-              bool use_compression = false);
+  void useSSL(const std::string &cert, const std::string &key, bool use_compression = false);
 
   /*!
    * \brief Use SSL certificate authentication on this endpoint

external/include/pistache/log.h

@@ -9,92 +9,87 @@
 #include <pistache/string_logger.h>
 
 #ifndef PISTACHE_LOG_STRING_FATAL
-#define PISTACHE_LOG_STRING_FATAL(logger, message)                             \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_FATAL(logger, message) do {\
   if (logger && logger->isEnabledFor(::Pistache::Log::Level::FATAL)) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::FATAL, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #endif
 
 #ifndef PISTACHE_LOG_STRING_ERROR
-#define PISTACHE_LOG_STRING_ERROR(logger, message)                             \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_ERROR(logger, message) do {\
   if (logger && logger->isEnabledFor(::Pistache::Log::Level::ERROR)) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::ERROR, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #endif
 
 #ifndef PISTACHE_LOG_STRING_WARN
-#define PISTACHE_LOG_STRING_WARN(logger, message)                              \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_WARN(logger, message) do {\
   if (logger && logger->isEnabledFor(::Pistache::Log::Level::WARN)) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::WARN, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #endif
 
 #ifndef PISTACHE_LOG_STRING_INFO
-#define PISTACHE_LOG_STRING_INFO(logger, message)                              \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_INFO(logger, message) do {\
   if (logger && logger->isEnabledFor(::Pistache::Log::Level::INFO)) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::INFO, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #endif
 
 #ifndef PISTACHE_LOG_STRING_DEBUG
-#define PISTACHE_LOG_STRING_DEBUG(logger, message)                             \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_DEBUG(logger, message) do {\
   if (logger && logger->isEnabledFor(::Pistache::Log::Level::DEBUG)) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::DEBUG, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #endif
 
 #ifndef PISTACHE_LOG_STRING_TRACE
 #ifndef NDEBUG // Only enable trace logging in debug builds.
-#define PISTACHE_LOG_STRING_TRACE(logger, message)                             \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_TRACE(logger, message) do {\
   if (logger && logger->isEnabledFor(::Pistache::Log::Level::TRACE)) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::TRACE, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #else
-#define PISTACHE_LOG_STRING_TRACE(logger, message)                             \
-  do {                                                                         \
+#define PISTACHE_LOG_STRING_TRACE(logger, message) do {\
   if (0) { \
     std::ostringstream oss_; \
     oss_ << message; \
     logger->log(::Pistache::Log::Level::TRACE, oss_.str()); \
   } \
-  } while (0)
+} while (0)
 #endif
 #endif
 
 #ifndef PISTACHE_STRING_LOGGER_T
-#define PISTACHE_STRING_LOGGER_T std::shared_ptr<::Pistache::Log::StringLogger>
+#define PISTACHE_STRING_LOGGER_T \
+  std::shared_ptr<::Pistache::Log::StringLogger>
 #endif
 
 #ifndef PISTACHE_DEFAULT_STRING_LOGGER
 #define PISTACHE_DEFAULT_STRING_LOGGER \
-  std::make_shared<::Pistache::Log::StringToStreamLogger>(                     \
-      ::Pistache::Log::Level::WARN)
+  std::make_shared<::Pistache::Log::StringToStreamLogger>(::Pistache::Log::Level::WARN)
 #endif
 
 #ifndef PISTACHE_NULL_STRING_LOGGER
-#define PISTACHE_NULL_STRING_LOGGER nullptr
+#define PISTACHE_NULL_STRING_LOGGER \
+  nullptr
 #endif
+

external/include/pistache/optional.h

@@ -124,7 +124,8 @@ public:
     *this = std::move(other);
   }
 
-  template <typename U> Optional(types::Some<U> some) : none_flag(NoneMarker) {
+  template <typename U>
+  Optional(types::Some<U> some) : none_flag(NoneMarker) {
     static_assert(std::is_same<T, U>::value || std::is_convertible<U, T>::value,
                   "Types mismatch");
     from_some_helper(std::move(some), types::is_move_constructible<U>());

external/include/pistache/router.h

@@ -65,8 +65,7 @@ struct Route {
 
   typedef std::function<Result(const Request, Http::ResponseWriter)> Handler;
 
-  typedef std::function<bool(Http::Request &req, Http::ResponseWriter &resp)>
-      Middleware;
+  typedef std::function<bool(Http::Request& req, Http::ResponseWriter& resp)> Middleware;
 
   typedef std::function<void(const std::shared_ptr<Tcp::Peer> &peer)>
       DisconnectHandler;
@@ -255,6 +254,7 @@ namespace Private {
 
 class RouterHandler : public Http::Handler {
 public:
+
   HTTP_PROTOTYPE(RouterHandler)
 
   /**
@@ -292,7 +292,8 @@ public:
   std::vector<TypedParam> splat() const;
 
 private:
-  explicit Request(Http::Request request, std::vector<TypedParam> &&params,
+  explicit Request(Http::Request request,
+                   std::vector<TypedParam> &&params,
                    std::vector<TypedParam> &&splats);
 
   std::vector<TypedParam> params_;
@@ -315,15 +316,18 @@ void Head(Router &router, const std::string &resource, Route::Handler handler);
 void NotFound(Router &router, Route::Handler handler);
 
 namespace details {
-template <typename... Args> struct TypeList {
-  template <size_t N> struct At {
+template <typename... Args>
+struct TypeList {
+  template <size_t N>
+  struct At {
     static_assert(N < sizeof...(Args), "Invalid index");
 
     using Type = typename std::tuple_element<N, std::tuple<Args...>>::type;
   };
 };
 
-template <typename Request, typename Response> struct BindChecks {
+template <typename Request, typename Response>
+struct BindChecks {
   constexpr static bool request_check =
       std::is_const<typename std::remove_reference<Request>::type>::value &&
       std::is_lvalue_reference<typename std::remove_cv<Request>::type>::value &&
@@ -341,7 +345,8 @@ template <typename Request, typename Response> struct BindChecks {
       "Function should accept (const Rest::Request&, HttpResponseWriter)");
 };
 
-template <typename Request, typename Response> struct MiddlewareChecks {
+template <typename Request, typename Response>
+struct MiddlewareChecks {
   constexpr static bool request_check =
       !std::is_const<typename std::remove_reference<Request>::type>::value &&
       std::is_lvalue_reference<typename std::remove_cv<Request>::type>::value &&

external/include/pistache/ssl_wrappers.h

@@ -14,8 +14,7 @@ struct SSLCtxDeleter {
 #ifdef PISTACHE_USE_SSL
     SSL_CTX_free(reinterpret_cast<SSL_CTX *>(ptr));
 
-    // EVP_cleanup call is not related to cleaning SSL_CTX, just global cleanup
-    // routine.
+    // EVP_cleanup call is not related to cleaning SSL_CTX, just global cleanup routine.
     // TODO: Think about removing EVP_cleanup call at all
     // It was deprecated in openssl 1.1.0 version (see
     // https://www.openssl.org/news/changelog.txt):
@@ -41,13 +40,13 @@ using SSLCtxPtr = std::unique_ptr<void, SSLCtxDeleter>;
 using SSLBioPtr = std::unique_ptr<void, SSLBioDeleter>;
 
 #ifdef PISTACHE_USE_SSL
-inline SSL_CTX *GetSSLContext(ssl::SSLCtxPtr &ctx) {
+inline SSL_CTX* GetSSLContext(ssl::SSLCtxPtr &ctx) {
     return reinterpret_cast<SSL_CTX *>(ctx.get());
 }
-inline BIO *GetSSLBio(ssl::SSLBioPtr &ctx) {
+inline BIO* GetSSLBio(ssl::SSLBioPtr &ctx) {
     return reinterpret_cast<BIO *>(ctx.get());
 }
 #endif
 
-} // namespace ssl
-} // namespace Pistache
+}
+}

external/include/pistache/string_logger.h

@@ -7,13 +7,20 @@
 
 #pragma once
 
-#include <iostream>
 #include <memory>
+#include <iostream>
 
 namespace Pistache {
 namespace Log {
 
-enum class Level { TRACE, DEBUG, INFO, WARN, ERROR, FATAL };
+enum class Level {
+  TRACE,
+  DEBUG,
+  INFO,
+  WARN,
+  ERROR,
+  FATAL
+};
 
 class StringLogger {
 public:
@@ -31,10 +38,9 @@ public:
 
   void log(Level level, const std::string &message) override;
   bool isEnabledFor(Level level) const override;
-
 private:
   Level level_;
-  std::ostream *out_;
+  std::ostream* out_;
 };
 
 } // namespace Log

external/include/pistache/thirdparty/date.h

@@ -1999,29 +1999,29 @@ inline year_month_day_last::year_month_day_last(
 }
 
 CONSTCD14
-inline year_month_day_last &
-year_month_day_last::operator+=(const months &m) NOEXCEPT {
+inline year_month_day_last &year_month_day_last::
+operator+=(const months &m) NOEXCEPT {
   *this = *this + m;
   return *this;
 }
 
 CONSTCD14
-inline year_month_day_last &
-year_month_day_last::operator-=(const months &m) NOEXCEPT {
+inline year_month_day_last &year_month_day_last::
+operator-=(const months &m) NOEXCEPT {
   *this = *this - m;
   return *this;
 }
 
 CONSTCD14
-inline year_month_day_last &
-year_month_day_last::operator+=(const years &y) NOEXCEPT {
+inline year_month_day_last &year_month_day_last::
+operator+=(const years &y) NOEXCEPT {
   *this = *this + y;
   return *this;
 }
 
 CONSTCD14
-inline year_month_day_last &
-year_month_day_last::operator-=(const years &y) NOEXCEPT {
+inline year_month_day_last &year_month_day_last::
+operator-=(const years &y) NOEXCEPT {
   *this = *this - y;
   return *this;
 }
@@ -2360,29 +2360,29 @@ inline year_month_weekday::year_month_weekday(const local_days &dp) NOEXCEPT
     : year_month_weekday(from_days(dp.time_since_epoch())) {}
 
 CONSTCD14
-inline year_month_weekday &
-year_month_weekday::operator+=(const months &m) NOEXCEPT {
+inline year_month_weekday &year_month_weekday::
+operator+=(const months &m) NOEXCEPT {
   *this = *this + m;
   return *this;
 }
 
 CONSTCD14
-inline year_month_weekday &
-year_month_weekday::operator-=(const months &m) NOEXCEPT {
+inline year_month_weekday &year_month_weekday::
+operator-=(const months &m) NOEXCEPT {
   *this = *this - m;
   return *this;
 }
 
 CONSTCD14
-inline year_month_weekday &
-year_month_weekday::operator+=(const years &y) NOEXCEPT {
+inline year_month_weekday &year_month_weekday::
+operator+=(const years &y) NOEXCEPT {
   *this = *this + y;
   return *this;
 }
 
 CONSTCD14
-inline year_month_weekday &
-year_month_weekday::operator-=(const years &y) NOEXCEPT {
+inline year_month_weekday &year_month_weekday::
+operator-=(const years &y) NOEXCEPT {
   *this = *this - y;
   return *this;
 }
@@ -2511,29 +2511,29 @@ inline year_month_weekday_last::year_month_weekday_last(
                                               wdl_(wdl) {}
 
 CONSTCD14
-inline year_month_weekday_last &
-year_month_weekday_last::operator+=(const months &m) NOEXCEPT {
+inline year_month_weekday_last &year_month_weekday_last::
+operator+=(const months &m) NOEXCEPT {
   *this = *this + m;
   return *this;
 }
 
 CONSTCD14
-inline year_month_weekday_last &
-year_month_weekday_last::operator-=(const months &m) NOEXCEPT {
+inline year_month_weekday_last &year_month_weekday_last::
+operator-=(const months &m) NOEXCEPT {
   *this = *this - m;
   return *this;
 }
 
 CONSTCD14
-inline year_month_weekday_last &
-year_month_weekday_last::operator+=(const years &y) NOEXCEPT {
+inline year_month_weekday_last &year_month_weekday_last::
+operator+=(const years &y) NOEXCEPT {
   *this = *this + y;
   return *this;
 }
 
 CONSTCD14
-inline year_month_weekday_last &
-year_month_weekday_last::operator-=(const years &y) NOEXCEPT {
+inline year_month_weekday_last &year_month_weekday_last::
+operator-=(const years &y) NOEXCEPT {
   *this = *this - y;
   return *this;
 }

external/include/pistache/version.h

@@ -9,9 +9,10 @@
 namespace Pistache {
 namespace Version {
 
-static constexpr int Major = 0;
-static constexpr int Minor = 0;
-static constexpr int Patch = 002;
-static constexpr int Git = 20210107;
+    static constexpr int Major = 0;
+    static constexpr int Minor = 0;
+    static constexpr int Patch = 002;
+    static constexpr int Git   = 20210107;
 } // namespace Version
 } // namespace Pistache
+

impl/DefaultApiImpl.cpp

@@ -19,8 +19,10 @@
 #include "logger.hpp"
 #include <iostream>
 
+#include "nas_context.hpp"
 #include "sha256.hpp"
 
+
 using namespace std;
 
 namespace org {
@@ -93,7 +95,6 @@ void DefaultApiImpl::ue_authentications_post(
   uint8_t S[100];
   S[0] = 0x6B;
   memcpy(&S[1], netName.buf, netName.size);
-  // cout << "snn length(0x%x)" << netName.size << endl;
   printf("snn length(0x%x)\n", (unsigned int)netName.size);
   S[1 + netName.size] = (netName.size & 0xff00) >> 8;
   S[2 + netName.size] = (netName.size & 0x00ff);
@@ -114,7 +115,7 @@ void DefaultApiImpl::ue_authentications_post(
   Authentication_5gaka::kdf(ckik, 32, S, 31 + netName.size, out, 32);
   for (int i = 0; i < 16; i++)
     output[i] = out[16 + i];
-  print_buffer("amf_n1", "XRES*", output, 16);
+  print_buffer("ausf_server", "XRES*", output, 16);
   // cout << "xres* %s" << output << endl;
 
   /*----------------------generating 5G AV from 5G HE AV--------------------------*/
@@ -126,6 +127,7 @@ void DefaultApiImpl::ue_authentications_post(
 
   Logger::ausf_server().debug("==generating 5g av");
 
+//   std::shared_ptr<nas_context> nc;
 //   Logger::ausf_server().debug("Authentication_vectors_generator_in_ausf");
 //   uint8_t inputString[MAX_5GS_AUTH_VECTORS][40];
 //   uint8_t *xresStar[MAX_5GS_AUTH_VECTORS];

libngap/asn_application.h

@@ -8,8 +8,9 @@
 #ifndef ASN_APPLICATION_H
 #define ASN_APPLICATION_H
 
-#include "asn_codecs.h" /* for ASN.1 codecs specifics */
 #include "asn_system.h" /* for platform-dependent types */
+#include "asn_codecs.h" /* for ASN.1 codecs specifics */
+
 
 #ifdef __cplusplus
 extern "C" {

main-api-server.cpp

@@ -24,11 +24,23 @@
 #include "DefaultApiImpl.h"
 
 #include "logger.hpp"
-#include "options.hpp"
 #include <iostream>
 
+#include "nas_context.hpp"
+#include "sha256.hpp"
+// #include "comUt.hpp"
+
 using namespace std;
 
+Sha256 ctx;
+void sha256(unsigned char *message, int msg_len, unsigned char *output)
+{
+  memset(output, 0, Sha256::DIGEST_SIZE);
+  ctx.init();
+  ctx.update(message, msg_len);
+  ctx.finalResult(output);
+}
+
 #define PISTACHE_SERVER_THREADS 2
 #define PISTACHE_SERVER_MAX_REQUEST_SIZE 32768
 #define PISTACHE_SERVER_MAX_RESPONSE_SIZE 32768
@@ -83,6 +95,37 @@ int main(int argc, char **argv) {
   opts.maxResponseSize(PISTACHE_SERVER_MAX_RESPONSE_SIZE);
   httpEndpoint->init(opts);
 
+  std::shared_ptr<nas_context> nc;
+  Logger::ausf_server().debug("Authentication_vectors_generator_in_ausf");
+  uint8_t inputString[MAX_5GS_AUTH_VECTORS][40];
+  uint8_t *xresStar[MAX_5GS_AUTH_VECTORS];
+  uint8_t *rand[MAX_5GS_AUTH_VECTORS];
+  for (int i = 0; i < MAX_5GS_AUTH_VECTORS; i++)
+  {
+    xresStar[i] = nc.get()->_5g_he_av[i].xresStar;
+    rand[i] = nc.get()->_5g_he_av[i].rand;
+    memcpy(&inputString[i][0], rand[i], 16);
+    memcpy(&inputString[i][16], xresStar[i], 16);
+    unsigned char sha256Out[Sha256::DIGEST_SIZE];
+    sha256((unsigned char *)inputString[i], 32, sha256Out);
+    for (int j = 0; j < 16; j++)
+      nc.get()->_5g_av[i].hxresStar[j] = (uint8_t)sha256Out[j];
+    memcpy(nc.get()->_5g_av[i].rand, nc.get()->_5g_he_av[i].rand, 16);
+    memcpy(nc.get()->_5g_av[i].autn, nc.get()->_5g_he_av[i].autn, 16);
+    uint8_t kseaf[32];
+    Authentication_5gaka::derive_kseaf(nc.get()->serving_network, nc.get()->_5g_he_av[i].kausf, kseaf);
+    memcpy(nc.get()->_5g_av[i].kseaf, kseaf, 32);
+    cout << "5G AV: rand" << nc.get()->_5g_av[i].rand << endl;
+    cout << "5G AV: autn" << nc.get()->_5g_av[i].autn << endl;
+    cout << "5G AV: kseaf" << nc.get()->_5g_av[i].kseaf << endl;
+    cout << "5G AV: hxres*" << nc.get()->_5g_av[i].hxresStar << endl;
+    // print_buffer("amf_n1", "5G AV: rand", nc.get()->_5g_av[i].rand, 16);
+    // print_buffer("amf_n1", "5G AV: autn", nc.get()->_5g_av[i].autn, 16);
+    // print_buffer("amf_n1", "5G AV: kseaf", nc.get()->_5g_av[i].kseaf, 32);
+    // print_buffer("amf_n1", "5G AV: hxres*", nc.get()->_5g_av[i].hxresStar, 16);
+  }
+
+
 Logger::init( "ausf" , true , true);
 Logger::ausf_server().startup("Entering main...");
 

nas/common/3gpp_ts24501.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file 3gpp_ts24501.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _3GPP_TS_24501_H_
+#define _3GPP_TS_24501_H_
+
+/********** epd type **************/
+
+#define EPD_5GS_MM_MSG  0b01111110
+#define EPD_5GS_SM_MSG  0b00101110
+
+/********** security header type **************/
+
+#define PLAIN_5GS_MSG                                      0b0000
+#define INTEGRITY_PROTECTED                                0b0001
+#define INTEGRITY_PROTECTED_AND_CIPHERED                   0b0010
+#define INTEGRITY_PROTECTED_WITH_NEW_SECU_CTX              0b0011          // only for SECURITY MODE COMMAND
+#define INTEGRITY_PROTECTED_AND_CIPHERED_WITH_NEW_SECU_CTX 0b0100         // only for SECURITY MODE COMPLETE
+
+/********** message type ********************/
+
+#define REGISTRATION_REQUEST    0b01000001
+#define REGISTRATION_REJECT     0b01000100
+#define AUTHENTICATION_REQUEST  0b01010110
+#define AUTHENTICATION_RESPONSE 0b01010111
+#define AUTHENTICATION_RESULT   0b01011010
+#define AUTHENTICATION_FAILURE  0b01011001
+#define AUTHENTICATION_REJECT   0b01011000
+#define SECURITY_MODE_COMMAND   0b01011101
+#define SECURITY_MODE_COMPLETE  0b01011110
+#define SECURITY_MODE_REJECT    0b01011111
+#define REGISTRATION_COMPLETE   0b01000011
+#define REGISTRATION_ACCEPT     0b01000010
+#define IDENTITY_REQUEST        0b01011011
+#define IDENTITY_RESPONSE       0b01011100
+#define UL_NAS_TRANSPORT        0b01100111
+#define DL_NAS_TRANSPORT        0b01101000
+#define SERVICE_REQUEST         0b01001100
+#define SERVICE_REJECT          0b01001101
+#define SERVICE_ACCEPT          0b01001110
+#define UE_INIT_DEREGISTER      0b01000101
+
+/********* registration type ***************/
+
+#define NO_FOLLOW_ON_REQ_PENDING false
+#define FOLLOW_ON_REQ_PENDING true
+
+#define INITIAL_REGISTRATION 0b001
+#define MOBILITY_REGISTRATION_UPDATING 0b010
+#define PERIODIC_REGISTRATION_UPDATING 0b011
+#define EMERGENCY_REGISTRATION 0b100
+
+/********* NAS Key Set identifier **********/
+
+#define NAS_KEY_SET_IDENTIFIER_NATIVE        0b0
+#define NAS_KEY_SET_IDENTIFIER_MAPPED        0b1
+#define NAS_KEY_SET_IDENTIFIER_NOT_AVAILABLE 0b111
+
+/********* 5GSMobilityIdentity **********/
+
+#define NO_IDENTITY 0b000
+#define SUCI        0b001
+#define _5G_GUTI    0b010
+#define IMEI        0b011
+#define _5G_S_TMSI  0b100
+#define IMEISVI     0b101
+#define MAC_ADDRESS 0b110
+
+#define EVEN_IENTITY 0
+#define ODD_IDENTITY 1
+
+#define SUPI_FORMAT_IMSI                        0b000
+#define SUPI_FORMAT_NETWORK_SPECIFIC_IDENTIFIER 0b001
+
+#define NULL_SCHEME            0b0000
+#define ECIES_SCHEME_PROFILE_A 0b0001
+#define ECIES_SCHEME_PROFILE_B 0b0010
+
+#define HOME_NETWORK_PKI_0_WHEN_PSI_0 0b00000000
+#define HOME_NETWORK_PKI_RESERVED     0b11111111
+
+/************************** security algorithms ***********************************************************/
+#define IA0_5G     0b000
+#define IA1_128_5G 0b001
+#define IA2_128_5G 0b010
+
+#define EA0_5G     0b000
+#define EA1_128_5G 0b001
+#define EA2_128_5G 0b010
+
+/************************** cause value for 5g mobility management(Annex A) ********************************/
+#define _5GMM_CAUSE_ILLEGAL_UE 3
+#define _5GMM_CAUSE_SYNCH_FAILURE 0b00010101
+#define _5GMM_CAUSE_IMPLICITLY_DE_REGISTERED 10
+#define _5GMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED 9
+// A.5 Causes related to invalid messages
+//------------------------------------------------------------------------------
+#define _5GMM_CAUSE_SEMANTICALLY_INCORRECT               95
+#define _5GMM_CAUSE_INVALID_MANDATORY_INFO               96
+#define _5GMM_CAUSE_MESSAGE_TYPE_NOT_IMPLEMENTED         97
+#define _5GMM_CAUSE_MESSAGE_TYPE_NOT_COMPATIBLE          98
+#define _5GMM_CAUSE_IE_NOT_IMPLEMENTED                   99
+#define _5GMM_CAUSE_CONDITIONAL_IE_ERROR                 100
+#define _5GMM_CAUSE_MESSAGE_NOT_COMPATIBLE               101
+#define _5GMM_CAUSE_PROTOCOL_ERROR                       111
+
+/********************* UL NAS TRANSPORT payload container type **************************/
+#define N1_SM_INFORMATION           0x01
+#define SMS_CONTAINER               0x02
+#define LTE_POSITIONING_PROTOCOL    0x03
+#define SOR_TRANSPARENT_CONTAINER   0x04
+#define UE_POLICY_CONTAINER         0x05
+#define UE_PARAMETERS_UPDATE        0x06
+#define MULTIPLE_PAYLOADS           0x0f
+
+#define PDU_SESSION_INITIAL_REQUEST           0b001
+#define EXISTING_PDU_SESSION                  0b010
+#define PDU_SESSION_INITIAL_EMERGENCY_REQUEST 0b011
+#define EXISTING_EMERGENCY_PDU_SESSION        0b100
+#define PDU_SESSION_MODIFICATION_REQUEST      0b101
+#define MA_PDU_REQUEST                        0b110
+
+#endif

nas/common/common_defs.h

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file common_defs.h
+ \brief
+ \author Sebastien ROUX, Lionel Gauthier
+ \company Eurecom
+ \email: lionel.gauthier@eurecom.fr
+ */
+
+#ifndef FILE_COMMON_DEFS_SEEN
+#define FILE_COMMON_DEFS_SEEN
+
+#include <arpa/inet.h>
+#include <stdint.h>
+
+#define RETURNclear       (int)2
+#define RETURNerror       (int)1
+#define RETURNok          (int)0
+
+typedef enum {
+  /* Fatal errors - received message should not be processed */
+  TLV_MAC_MISMATCH = -14,
+  TLV_BUFFER_NULL = -13,
+  TLV_BUFFER_TOO_SHORT = -12,
+  TLV_PROTOCOL_NOT_SUPPORTED = -11,
+  TLV_WRONG_MESSAGE_TYPE = -10,
+  TLV_OCTET_STRING_TOO_LONG_FOR_IEI = -9,
+
+  TLV_VALUE_DOESNT_MATCH = -4,
+  TLV_MANDATORY_FIELD_NOT_PRESENT = -3,
+  TLV_UNEXPECTED_IEI = -2,
+
+//  RETURNerror                             = -1,
+//  RETURNok                                = 0,
+
+  TLV_ERROR_OK = RETURNok,
+  /* Defines error code limit below which received message should be discarded
+   * because it cannot be further processed */
+  TLV_FATAL_ERROR = TLV_VALUE_DOESNT_MATCH
+
+} error_code_e;
+//------------------------------------------------------------------------------
+#define DECODE_U8(bUFFER, vALUE, sIZE)    \
+    vALUE = *(uint8_t*)(bUFFER);    \
+    sIZE += sizeof(uint8_t)
+
+#define DECODE_U16(bUFFER, vALUE, sIZE)   \
+    vALUE = ntohs(*(uint16_t*)(bUFFER));  \
+    sIZE += sizeof(uint16_t)
+
+#define DECODE_U24(bUFFER, vALUE, sIZE)   \
+    vALUE = ntohl(*(uint32_t*)(bUFFER)) >> 8; \
+    sIZE += sizeof(uint8_t) + sizeof(uint16_t)
+
+#define DECODE_U32(bUFFER, vALUE, sIZE)   \
+    vALUE = ntohl(*(uint32_t*)(bUFFER));  \
+    sIZE += sizeof(uint32_t)
+
+#if (BYTE_ORDER == LITTLE_ENDIAN)
+# define DECODE_LENGTH_U16(bUFFER, vALUE, sIZE)          \
+    vALUE = ((*(bUFFER)) << 8) | (*((bUFFER) + 1));      \
+    sIZE += sizeof(uint16_t)
+#else
+# define DECODE_LENGTH_U16(bUFFER, vALUE, sIZE)          \
+    vALUE = (*(bUFFER)) | (*((bUFFER) + 1) << 8);        \
+    sIZE += sizeof(uint16_t)
+#endif
+
+#define ENCODE_U8(buffer, value, size)    \
+    *(uint8_t*)(buffer) = value;    \
+    size += sizeof(uint8_t)
+
+#define ENCODE_U16(buffer, value, size)   \
+    *(uint16_t*)(buffer) = htons(value);  \
+   size += sizeof(uint16_t)
+
+#define ENCODE_U24(buffer, value, size)   \
+    *(uint32_t*)(buffer) = htonl(value);  \
+    size += sizeof(uint8_t) + sizeof(uint16_t)
+
+#define ENCODE_U32(buffer, value, size)   \
+    *(uint32_t*)(buffer) = htonl(value);  \
+    size += sizeof(uint32_t)
+
+#define IPV4_STR_ADDR_TO_INT_NWBO(AdDr_StR,NwBo,MeSsAgE ) do {\
+            struct in_addr inp;\
+            if ( inet_aton(AdDr_StR, &inp ) < 0 ) {\
+                AssertFatal (0, MeSsAgE);\
+            } else {\
+                NwBo = inp.s_addr;\
+            }\
+        } while (0)
+
+#define NIPADDR(addr) \
+  (uint8_t)(addr & 0x000000FF), \
+  (uint8_t)((addr & 0x0000FF00) >> 8), \
+  (uint8_t)((addr & 0x00FF0000) >> 16), \
+  (uint8_t)((addr & 0xFF000000) >> 24)
+
+#define HIPADDR(addr) \
+  (uint8_t)((addr & 0xFF000000) >> 24),\
+  (uint8_t)((addr & 0x00FF0000) >> 16),\
+  (uint8_t)((addr & 0x0000FF00) >> 8), \
+  (uint8_t)(addr & 0x000000FF)
+
+#define NIP6ADDR(addr) \
+  ntohs((addr)->s6_addr16[0]), \
+  ntohs((addr)->s6_addr16[1]), \
+  ntohs((addr)->s6_addr16[2]), \
+  ntohs((addr)->s6_addr16[3]), \
+  ntohs((addr)->s6_addr16[4]), \
+  ntohs((addr)->s6_addr16[5]), \
+  ntohs((addr)->s6_addr16[6]), \
+  ntohs((addr)->s6_addr16[7])
+
+#define IN6_ARE_ADDR_MASKED_EQUAL(a,b,m) \
+  (((((__const uint32_t *) (a))[0] & (((__const uint32_t *) (m))[0])) == (((__const uint32_t *) (b))[0] & (((__const uint32_t *) (m))[0])))  \
+   && ((((__const uint32_t *) (a))[1] & (((__const uint32_t *) (m))[1])) == (((__const uint32_t *) (b))[1] & (((__const uint32_t *) (m))[1])))  \
+   && ((((__const uint32_t *) (a))[2] & (((__const uint32_t *) (m))[2])) == (((__const uint32_t *) (b))[2] & (((__const uint32_t *) (m))[2])))  \
+   && ((((__const uint32_t *) (a))[3] & (((__const uint32_t *) (m))[3])) == (((__const uint32_t *) (b))[3] & (((__const uint32_t *) (m))[3]))))
+
+////////////
+#define IPV4_STR_ADDR_TO_INADDR(AdDr_StR,InAdDr,MeSsAgE ) do {\
+            if ( inet_aton(AdDr_StR, &InAdDr ) <= 0 ) {\
+              throw (MeSsAgE);\
+            }\
+        } while (0)
+
+#ifndef UNUSED
+#define UNUSED(x) (void)(x)
+#endif
+
+#endif /* FILE_COMMON_DEFS_SEEN */

nas/common/nas_ie_header.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file nas_ie_header.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "nas_mm_plain_header.hpp"
+#include "5GSRegistrationType.hpp"
+#include "NasKeySetIdentifier.hpp"
+#include "5GSMobilityIdentity.hpp"
+#include "5GMMCapability.hpp"
+#include "UESecurityCapability.hpp"
+#include "UENetworkCapability.hpp"
+#include "UplinkDataStatus.hpp"
+#include "NSSAI.hpp"
+#include "_5GS_Tracking_Area_Identity.hpp"
+#include "PDU_Session_Status.hpp"
+#include "MICO_Indication.hpp"
+#include "UE_Status.hpp"
+#include "Allowed_PDU_Session_Status.hpp"
+#include "UES_Usage_Setting.hpp"
+#include "_5GS_DRX_arameters.hpp"
+#include "EPS_NAS_Message_Container.hpp"
+#include "LADN_Indication.hpp"
+#include "Payload_Container_Type.hpp"
+#include "Payload_Container.hpp"
+#include "Network_Slicing_Indication.hpp"
+#include "_5GS_Update_Type.hpp"
+#include "NAS_Message_Container.hpp"
+#include "EPS_Bearer_Context_Status.hpp"
+#include "_5GMM_Cause.hpp"
+#include "GPRS_Timer_2.hpp"
+#include "EAP_Message.hpp"
+#include "Rejected_NSSAI.hpp"
+#include "ABBA.hpp"
+#include "Authentication_Parameter_RAND.hpp"
+#include "Authentication_Parameter_AUTN.hpp"
+#include "Authentication_Response_Parameter.hpp"
+#include "Authentication_Failure_Parameter.hpp"
+#include "NAS_Security_Algorithms.hpp"
+#include "IMEISV_Request.hpp"
+#include "EPS_NAS_Security_Algorithms.hpp"
+#include "Additional_5G_Security_Information.hpp"
+#include "S1_UE_Security_Capability.hpp"
+#include "SOR_Transparent_Container.hpp"
+#include "_5GS_Registration_Result.hpp"
+#include "GPRS_Timer_3.hpp"
+#include "PLMN_List.hpp"
+#include "_5GS_Network_Feature_Support.hpp"
+#include "PDU_Session_Reactivation_Result.hpp"
+#include "PDU_Session_Reactivation_Result_Error_Cause.hpp"
+#include "NSSAI_Inclusion_Mode.hpp"
+#include "Non_3GPP_NW_Provided_Policies.hpp"
+#include "UE_Radio_Capability_ID.hpp"
+#include "_5GS_Identity_Type.hpp"
+#include "PDU_Session_Identity_2.hpp"
+#include "Request_Type.hpp"
+#include "S_NSSAI.hpp"
+#include "DNN.hpp"
+#include "Additional_Information.hpp"
+#include "MA_PDU_Session_Information.hpp"
+#include "Release_Assistance_Indication.hpp"
+#include "Extended_DRX_Parameters.hpp"
+#include "struct.hpp"
+#include "ServiceType.hpp"
+#include "_5GSTrackingAreaIdList.hpp"

nas/ies/5GMMCapability.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file 5GMMCapability.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "5GMMCapability.hpp"
+#include "logger.hpp"
+
+using namespace nas;
+
+//------------------------------------------------------------------------------
+_5GMMCapability::_5GMMCapability(const uint8_t iei, uint8_t value) {
+  m_iei = iei;
+  m_value = value;
+  length = 3;
+}
+
+//------------------------------------------------------------------------------
+_5GMMCapability::_5GMMCapability() {
+}
+
+//------------------------------------------------------------------------------
+_5GMMCapability::~_5GMMCapability() {
+}
+
+//------------------------------------------------------------------------------
+void _5GMMCapability::setValue(uint8_t iei, uint8_t value) {
+  m_iei = iei;
+  m_value = value;
+}
+
+//------------------------------------------------------------------------------
+uint8_t _5GMMCapability::getValue() {
+  return m_value;
+}
+
+//------------------------------------------------------------------------------
+int _5GMMCapability::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding _5GMMCapability iei(0x%x)", m_iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (m_iei) {
+    *(buf + encoded_size) = m_iei;
+    encoded_size++;
+    *(buf + encoded_size) = length - 2;
+    encoded_size++;
+    *(buf + encoded_size) = m_value;
+    encoded_size++;
+  } else {
+    *(buf + encoded_size) = length - 1;
+    encoded_size++;
+    *(buf + encoded_size) = m_value;
+    encoded_size++;
+  }
+  Logger::nas_mm().debug("encoded _5GMMCapability len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int _5GMMCapability::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding _5GMMCapability iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  length = *(buf + decoded_size);
+  decoded_size++;
+  m_value = *(buf + decoded_size);
+  decoded_size++;
+  Logger::nas_mm().debug("decoded _5GMMCapability value(0x%x)", m_value);
+  Logger::nas_mm().debug("decoded _5GMMCapability len(%d)", decoded_size);
+  return decoded_size;
+}

nas/ies/5GMMCapability.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file 5GMMCapability.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __5GMMCapability_H_
+#define __5GMMCapability_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class _5GMMCapability {
+ public:
+  _5GMMCapability();
+  _5GMMCapability(const uint8_t iei, uint8_t value);
+  ~_5GMMCapability();
+  void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint8_t getValue();
+ private:
+  uint8_t m_iei;
+  uint8_t m_value;
+  int length;
+
+};
+
+}
+
+#endif

nas/ies/5GSMobilityIdentity.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file 5GSMobilityIdentity.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _5GSMobilityIdentity_H_
+#define _5GSMobilityIdentity_H_
+#include <iostream>
+#include <stdint.h>
+#include "struct.hpp"
+extern "C" {
+#include "bstrlib.h"
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+}
+using namespace std;
+
+namespace nas {
+
+typedef struct _5G_GUTI_s {
+  string mcc;
+  string mnc;
+  uint8_t amf_region_id;
+  uint8_t amf_set_id;
+  uint16_t amf_pointer;
+  uint32_t _5g_tmsi;
+} _5G_GUTI_t;
+
+typedef struct IMEI_or_IMEISV_s {
+  uint8_t typeOfIdentity :3;
+  bool odd_even_indic;  // for imei, even means bits 5 to 8 of last octet is "1111", for imeisv, bits 5 to 8 of last octet is "1111"
+  string identity;  // "46011000001"
+} IMEI_IMEISV_t;
+
+typedef struct SUCI_imsi_s {
+  uint8_t supi_format :3;
+  string mcc;
+  string mnc;
+  string routingIndicator;  //"1234"
+  uint8_t protectionSchemeId :4;  // 0000
+  uint8_t homeNetworkPKI;  // 00000000
+  string msin;  // two types of coding; BCD & hexadecimal
+} SUCI_imsi_t;  // SUPI format "IMSI"
+
+//don't define suci and supi format "Network specific identifier"
+
+typedef struct _5G_S_TMSI_s {
+  uint16_t amf_set_id;
+  uint8_t amf_pointer;
+  string _5g_tmsi;
+} _5G_S_TMSI_t;
+
+class _5GSMobilityIdentity {
+ public:
+  _5GSMobilityIdentity(uint8_t _iei, const uint16_t amfSetId, const uint8_t amfPointer, const string tmsi);
+  _5GSMobilityIdentity(const string mcc, const string mnc, const string routingInd, uint8_t protection_sch_id, const string msin);
+  _5GSMobilityIdentity();
+  ~_5GSMobilityIdentity();
+  void setIEI(uint8_t _iei);
+  int encode2buffer(uint8_t *buf, int len);
+  int suci_encode2buffer(uint8_t *buf, int len);
+  int _5g_guti_encode2buffer(uint8_t *buf, int len);
+  int encodeMssMnc2buffer(string mcc, string mnc, uint8_t *buf);
+  int encodeRoutid2buffer(string routid, uint8_t *buf);
+  int encodeMSIN2buffer(string msinstr, uint8_t *buf);
+  int _5g_s_tmsi_encode2buffer(uint8_t *buf, int len);
+  int _5g_s_tmsi_decodefrombuffer(uint8_t *buf, int len);
+
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  int suci_decodefrombuffer(uint8_t *buf, int len, int length);
+  int _5g_guti_decodefrombuffer(uint8_t *buf, int len);
+  void set5GGUTI(const string mcc, const string mnc, uint8_t amf_region_id, uint16_t amf_set_id, uint8_t amf_pointer, const uint32_t _5g_tmsi);
+  void setSuciWithSupiImsi(const string &mcc, const string &mnc, const string &routingInd, uint8_t protecSchId, uint8_t home_pki, const string &msin_digits);
+  void setSuciWithSupiImsi(const string &mcc, const string &mnc, const string &routingInd, uint8_t protecSchId, const string &msin_digits);
+  void getSuciWithSupiImsi(SUCI_imsi_t&);
+  void get5GGUTI(_5G_GUTI_t&);
+  uint8_t gettypeOfIdentity() {
+    return typeOfIdentity;
+  }
+  ;
+  bool get5G_S_TMSI(uint16_t &amfSetId, uint8_t &amfPointer, string &tmsi);
+
+  void setIMEISV(IMEISV_t imeisv);
+  void getIMEISV(IMEISV_t &imeisv);
+  int imeisv_encode2buffer(uint8_t *buf, int len);
+  int imeisv_decodefrombuffer(uint8_t *buf, int len);
+ private:
+  uint8_t iei;
+  _5G_GUTI_t *_5g_guti;
+  IMEI_IMEISV_t *imei_imeisv;
+  SUCI_imsi_t *supi_format_imsi;
+  _5G_S_TMSI_t *_5g_s_tmsi;
+  bool is_no_identity;
+  uint16_t length;
+  uint8_t typeOfIdentity :3;
+  IMEISV_t _IMEISV;
+};
+
+}
+
+#endif

nas/ies/5GSRegistrationType.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "5GSRegistrationType.hpp"
+#include "3gpp_ts24501.hpp"
+#include "logger.hpp"
+
+using namespace nas;
+
+//------------------------------------------------------------------------------
+_5GSRegistrationType::_5GSRegistrationType() {
+  iei = 0;
+  is_for = false;
+  reg_type = 0;
+}
+
+//------------------------------------------------------------------------------
+_5GSRegistrationType::_5GSRegistrationType(bool is_for, uint8_t type) {
+  this->is_for = is_for;
+  this->reg_type = 0x07 & type;
+  this->iei = 0;
+}
+
+//------------------------------------------------------------------------------
+_5GSRegistrationType::_5GSRegistrationType(uint8_t iei, bool is_for, uint8_t type) {
+  this->is_for = is_for;
+  this->reg_type = 0x07 & type;
+  this->iei = 0x0f & iei;
+}
+
+//------------------------------------------------------------------------------
+_5GSRegistrationType::~_5GSRegistrationType() {
+}
+
+//------------------------------------------------------------------------------
+int _5GSRegistrationType::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().error("encoding 5gsregistrationtype IE");
+  if (len < 1) {
+    Logger::nas_mm().error("encoding 5gsregistrationtype error(len is less than one)");
+    return -1;
+  }
+  uint8_t octet = 0;
+  if (is_for)
+    octet = 0x08;
+  octet |= reg_type;
+  if (!(iei & 0x0f)) {
+    *buf = 0x0f & octet;
+    Logger::nas_mm().debug("encoded 5GSRegistrationType IE(len(1/2 octet))");
+    return 0;
+  } else {
+    *buf = (iei << 4) | octet;
+    Logger::nas_mm().debug("encoded 5GSRegistrationType IE(len(1 octet))");
+    return 1;
+  }
+}
+
+//------------------------------------------------------------------------------
+int _5GSRegistrationType::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  if (is_option) {
+    return -1;
+  }
+  Logger::nas_mm().debug("Decoding 5GSRegistrationType");
+  uint8_t octet = *buf;
+  if (octet & 0x08)
+    is_for = FOLLOW_ON_REQ_PENDING;
+  else
+    is_for = NO_FOLLOW_ON_REQ_PENDING;
+  reg_type = 0x07 & octet;
+  Logger::nas_mm().debug("Decoded 5GSRegistrationType len (1/2 octet)");
+  return 0;
+}
+
+//------------------------------------------------------------------------------
+void _5GSRegistrationType::setFollowOnReq(const bool is) {
+  is_for = is;
+}
+
+//------------------------------------------------------------------------------
+void _5GSRegistrationType::setRegType(const uint8_t type) {
+  reg_type = 0x07 & type;
+}
+
+//------------------------------------------------------------------------------
+bool _5GSRegistrationType::isFollowOnReq() {
+  return is_for;
+}
+
+//------------------------------------------------------------------------------
+uint8_t _5GSRegistrationType::getRegType() {
+  return reg_type;
+}

nas/ies/5GSRegistrationType.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef _5GS_REGISTRATION_TYPE_H_
+#define _5GS_REGISTRATION_TYPE_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class _5GSRegistrationType {
+ public:
+  _5GSRegistrationType();
+  _5GSRegistrationType(bool is_for, uint8_t type);
+  _5GSRegistrationType(uint8_t iei, bool is_for, uint8_t type);
+  ~_5GSRegistrationType();
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  int encode2buffer(uint8_t *buf, int len);
+
+  void setFollowOnReq(const bool is);
+  void setRegType(const uint8_t type);
+  bool isFollowOnReq();
+  uint8_t getRegType();
+ private:
+  uint8_t iei :4;
+  bool is_for;
+  uint8_t reg_type :3;
+};
+
+}
+
+#endif

nas/ies/ABBA.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "ABBA.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+ABBA::ABBA(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+ABBA::ABBA(const uint8_t iei, uint8_t length, uint8_t *value) {
+  _iei = iei;
+  for (int i = 0; i < length; i++) {
+    this->_value[i] = value[i];
+  }
+  _length = length;
+}
+
+//------------------------------------------------------------------------------
+ABBA::ABBA() {
+}
+ABBA::~ABBA() {
+}
+
+//------------------------------------------------------------------------------
+uint8_t ABBA::getValue() {
+  for (int j = 0; j < _length; j++) {
+    Logger::nas_mm().debug("Decoded ABBA value (0x%2x)", _value[j]);
+  }
+  return 1;
+}
+
+//------------------------------------------------------------------------------
+int ABBA::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("Encoding ABBA IEI (0x%x)", _iei);
+  if (len < _length) {
+    Logger::nas_mm().error("len is less than %d", _length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {  //option
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = _length - 2;
+    encoded_size++;
+    int i = 0;
+    while ((_length - 2) != 0) {
+      *(buf + encoded_size) = _value[i];
+      encoded_size++;
+      _length--;
+      i++;
+    }
+  } else {
+    Logger::nas_mm().debug("length(%d)", _length);
+    *(buf + encoded_size) = _length;
+    encoded_size++;
+    int i = 0;
+    while (_length != 0) {
+      *(buf + encoded_size) = _value[i];
+      encoded_size++;
+      _length--;
+      i++;
+    }
+  }
+  Logger::nas_mm().debug("Encoded ABBA len (%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int ABBA::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("Encoding ABBA IEI (0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  _length = 0x00;
+  _value[255] = { };
+  _length = *(buf + decoded_size);
+  decoded_size++;
+  int i = 0;
+  uint8_t Length = _length;
+  while (Length != 0) {
+    _value[i] = *(buf + decoded_size);
+    decoded_size++;
+    Length--;
+    i++;
+  }
+  for (int j = 0; j < _length; j++) {
+    Logger::nas_mm().debug("Decoded ABBA value (0x%4x), length (0x%4x)", _value[j], _length);
+  }
+  Logger::nas_mm().debug("Decoded ABBA len (%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/ABBA.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __ABBA_H_
+#define __ABBA_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class ABBA {
+ public:
+  ABBA();
+  ABBA(uint8_t iei);
+  ABBA(const uint8_t iei, uint8_t length, uint8_t *value);
+  ~ABBA();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint8_t getValue();
+ private:
+  uint8_t _iei;
+  uint8_t _length;
+  uint8_t _value[255];
+
+};
+
+}
+
+#endif
+

nas/ies/Additional_5G_Security_Information.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file Additional_5G_Security_Information.hpp
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+
+#include "Additional_5G_Security_Information.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Additional_5G_Security_Information::Additional_5G_Security_Information(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Additional_5G_Security_Information::Additional_5G_Security_Information(const uint8_t iei, bool rinmr, bool hdp) {
+  _iei = iei;
+  RINMR = rinmr;
+  HDP = hdp;
+}
+
+//------------------------------------------------------------------------------
+Additional_5G_Security_Information::Additional_5G_Security_Information() {
+}
+
+//------------------------------------------------------------------------------
+Additional_5G_Security_Information::~Additional_5G_Security_Information() {
+}
+
+//------------------------------------------------------------------------------
+void Additional_5G_Security_Information::setRINMR(bool value) {
+  RINMR = value;
+}
+
+//------------------------------------------------------------------------------
+void Additional_5G_Security_Information::setHDP(bool value) {
+  HDP = value;
+}
+
+//------------------------------------------------------------------------------
+bool Additional_5G_Security_Information::getRINMR() {
+  return RINMR;
+}
+
+//------------------------------------------------------------------------------
+bool Additional_5G_Security_Information::getHDP() {
+  return HDP;
+}
+
+//------------------------------------------------------------------------------
+int Additional_5G_Security_Information::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding Additional_5G_Security_Information iei(0x%x)", _iei);
+  if (len < 3) {
+    Logger::nas_mm().error("len is less than 3");
+    return 0;
+  }
+  uint8_t octet = 0;
+  int encoded_size = 0;
+  if (RINMR)
+    octet |= 0x02;
+  if (HDP)
+    octet |= 0x01;
+  *(buf + encoded_size) = _iei;
+  encoded_size++;
+  *(buf + encoded_size) = 1;
+  encoded_size++;
+  *(buf + encoded_size) = octet;
+  encoded_size++;
+  Logger::nas_mm().debug("encoded Additional_5G_Security_Information IE(len(1 octet))");
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Additional_5G_Security_Information::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  if (len < 3) {
+    Logger::nas_mm().error("len is less than 3");
+    return 0;
+  } else {
+    int decoded_size = 0;
+    if (is_option) {
+      decoded_size++;
+    }
+//	length = *(buf + decoded_size);
+    decoded_size++;
+    uint8_t octet = *(buf + decoded_size);
+    decoded_size++;
+    RINMR = octet & 0x02;
+    HDP = octet & 0x01;
+    Logger::nas_mm().debug("decoded Additional_5G_Security_Information RINMR(0x%x) HDP(0x%x)", RINMR, HDP);
+    return decoded_size;
+  }
+}
+

nas/ies/Additional_5G_Security_Information.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Additional_5G_Security_Information_H_
+#define __Additional_5G_Security_Information_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class Additional_5G_Security_Information {
+ public:
+  Additional_5G_Security_Information();
+  Additional_5G_Security_Information(uint8_t iei);
+  Additional_5G_Security_Information(const uint8_t iei, bool RINMR, bool HDP);
+  ~Additional_5G_Security_Information();
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void setRINMR(bool value);
+  void setHDP(bool value);
+  bool getRINMR();
+  bool getHDP();
+ private:
+  uint8_t _iei;
+  bool RINMR;
+  bool HDP;
+};
+}
+
+#endif
+

nas/ies/Additional_Information.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "Additional_Information.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Additional_Information::Additional_Information(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Additional_Information::Additional_Information(const uint8_t iei, uint8_t _length, uint8_t value) {
+  _iei = iei;
+  _value = value;
+  length = _length;
+}
+
+//------------------------------------------------------------------------------
+Additional_Information::Additional_Information() {
+}
+
+//------------------------------------------------------------------------------
+Additional_Information::~Additional_Information() {
+}
+
+//------------------------------------------------------------------------------
+void Additional_Information::setValue(uint8_t iei, uint8_t value) {
+  _iei = iei;
+  _value = value;
+}
+
+//------------------------------------------------------------------------------
+uint8_t Additional_Information::getValue() {
+  return _value;
+}
+
+//------------------------------------------------------------------------------
+int Additional_Information::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding Additional_Information iei(0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = (length - 2);
+    encoded_size++;
+    *(buf + encoded_size) = _value;
+    encoded_size++;
+
+  } else {
+    *(buf + encoded_size) = (length - 1);
+    encoded_size++;
+    *(buf + encoded_size) = _value;
+    encoded_size++;
+  }
+  Logger::nas_mm().debug("encoded Additional_Information len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Additional_Information::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding Additional_Information iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  _value = 0x00;
+  length = *(buf + decoded_size);
+  decoded_size++;
+  _value = *(buf + decoded_size);
+  decoded_size++;
+  Logger::nas_mm().debug("decoded Additional_Information value(0x%x)", _value);
+  Logger::nas_mm().debug("decoded Additional_Information len(%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/Additional_Information.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Additional_Information_H_
+#define __Additional_Information_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class Additional_Information {
+ public:
+  Additional_Information();
+  Additional_Information(uint8_t iei);
+  Additional_Information(const uint8_t iei, uint8_t _length, uint8_t value);
+  ~Additional_Information();
+  void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint8_t getValue();
+ private:
+  uint8_t _iei;
+  uint8_t length;
+  uint8_t _value;
+
+};
+
+}
+
+#endif
+

nas/ies/Allowed_PDU_Session_Status.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "Allowed_PDU_Session_Status.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Allowed_PDU_Session_Status::Allowed_PDU_Session_Status(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Allowed_PDU_Session_Status::Allowed_PDU_Session_Status(const uint8_t iei, uint16_t value) {
+  _iei = iei;
+  _value = value;
+  length = 4;
+}
+
+//------------------------------------------------------------------------------
+Allowed_PDU_Session_Status::Allowed_PDU_Session_Status() {
+}
+
+//------------------------------------------------------------------------------
+Allowed_PDU_Session_Status::~Allowed_PDU_Session_Status() {
+}
+
+//------------------------------------------------------------------------------
+void Allowed_PDU_Session_Status::setValue(uint8_t iei, uint16_t value) {
+  _iei = iei;
+  _value = value;
+}
+uint16_t Allowed_PDU_Session_Status::getValue() {
+  return _value;
+}
+
+//------------------------------------------------------------------------------
+int Allowed_PDU_Session_Status::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding Allowed_PDU_Session_Status iei(0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = length - 2;
+    encoded_size++;
+    *(buf + encoded_size) = (_value & 0x00ff);
+    encoded_size++;
+    *(buf + encoded_size) = (_value & 0xff00) >> 8;
+    encoded_size++;
+
+  } else {
+//		*(buf + encoded_size) = length - 1; encoded_size++;
+//		*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("encoded Allowed_PDU_Session_Status len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Allowed_PDU_Session_Status::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding Allowed_PDU_Session_Status iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  _value = 0x0000;
+  length = *(buf + decoded_size);
+  decoded_size++;
+  _value |= *(buf + decoded_size);
+  decoded_size++;
+  _value |= (*(buf + decoded_size)) << 8;
+  decoded_size++;
+  Logger::nas_mm().debug("decoded Allowed_PDU_Session_Status value(0x%4x)", _value);
+  Logger::nas_mm().debug("decoded Allowed_PDU_Session_Status len(%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/Allowed_PDU_Session_Status.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Allowed_PDU_Session_Status_H_
+#define __Allowed_PDU_Session_Status_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class Allowed_PDU_Session_Status {
+ public:
+  Allowed_PDU_Session_Status();
+  Allowed_PDU_Session_Status(uint8_t iei);
+  Allowed_PDU_Session_Status(const uint8_t iei, uint16_t value);
+  ~Allowed_PDU_Session_Status();
+  void setValue(uint8_t iei, uint16_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint16_t getValue();
+ private:
+  uint8_t _iei;
+  uint8_t length;
+  uint16_t _value;
+
+};
+
+}
+
+#endif
+

nas/ies/Authentication_Failure_Parameter.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "Authentication_Failure_Parameter.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Authentication_Failure_Parameter::Authentication_Failure_Parameter(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Authentication_Failure_Parameter::Authentication_Failure_Parameter(const uint8_t iei, bstring auts) {
+  _iei = iei;
+  value = bstrcpy(auts);
+  length = blength(auts) + 2;
+}
+
+//------------------------------------------------------------------------------
+Authentication_Failure_Parameter::Authentication_Failure_Parameter() {
+}
+
+//------------------------------------------------------------------------------
+Authentication_Failure_Parameter::~Authentication_Failure_Parameter() {
+}
+
+//------------------------------------------------------------------------------
+void Authentication_Failure_Parameter::getValue(bstring &auts) {
+  auts = bstrcpy(value);
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Failure_Parameter::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding Authentication_Failure_Parameter iei(0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %x", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = length - 2;
+    encoded_size++;
+    int size = encode_bstring(value, (buf + encoded_size), len - encoded_size);
+    encoded_size += size;
+    return encoded_size;
+  } else {
+//		*(buf + encoded_size) = length - 1; encoded_size++;
+//		*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("encoded Authentication_Failure_Parameter len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Failure_Parameter::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding Authentication_Failure_Parameter iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  length = *(buf + decoded_size);
+  decoded_size++;
+  Logger::nas_mm().debug("decoded IE Authentication_Failure_Parameter length(%d)", length);
+  decode_bstring(&value, length, (buf + decoded_size), len - decoded_size);
+  decoded_size += length;
+  for (int i = 0; i < length; i++) {
+    Logger::nas_mm().debug("decoded Authentication_Failure_Parameter value(0x%x)", (uint8_t*) value->data[i]);
+  }
+  Logger::nas_mm().debug("decoded Authentication_Failure_Parameter len(%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/Authentication_Failure_Parameter.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Authentication_Failure_Parameter_H_
+#define __Authentication_Failure_Parameter_H_
+#include <iostream>
+#include <stdint.h>
+extern "C" {
+#include "bstrlib.h"
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+}
+namespace nas {
+
+class Authentication_Failure_Parameter {
+ public:
+  Authentication_Failure_Parameter();
+  Authentication_Failure_Parameter(uint8_t iei);
+  Authentication_Failure_Parameter(const uint8_t iei, bstring auts);
+  ~Authentication_Failure_Parameter();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void getValue(bstring &auts);
+ private:
+  uint8_t _iei;
+  uint8_t length;
+  bstring value;
+
+};
+
+}
+
+#endif
+

nas/ies/Authentication_Parameter_AUTN.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "Authentication_Parameter_AUTN.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_AUTN::Authentication_Parameter_AUTN(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_AUTN::Authentication_Parameter_AUTN(const uint8_t iei, uint8_t *value) {
+  _iei = iei;
+  for (int i = 0; i < 16; i++) {
+    this->_value[i] = value[i];
+  }
+}
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_AUTN::Authentication_Parameter_AUTN() {
+}
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_AUTN::~Authentication_Parameter_AUTN() {
+}
+
+//------------------------------------------------------------------------------
+uint8_t* Authentication_Parameter_AUTN::getValue() {
+  //for (int j = 0; j < 16; j++) {
+  //	Logger::nas_mm().debug("decoded Authentication_Response_Parameter value(0x%2x)", _value[j]);
+  //}
+  return _value;
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Parameter_AUTN::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("Encoding Authentication_Parameter_AUTN IEI (0x%x)", _iei);
+  if (len < 18) {
+    Logger::nas_mm().error("len is less than 18");
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = 16;
+    encoded_size++;
+    for (int i = 0; i < 16; i++) {
+      *(buf + encoded_size) = _value[i];
+      encoded_size++;
+    }
+    return encoded_size;
+  } else {
+//		*(buf + encoded_size) = length - 1; encoded_size++;
+//		*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("Encoded Authentication_Parameter_AUTN len (%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Parameter_AUTN::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("Decoding Authentication_Parameter_AUTN IEI (0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  decoded_size++;
+  for (int i = 0; i < 16; i++) {
+    _value[i] = *(buf + decoded_size);
+    decoded_size++;
+  }
+  for (int j = 0; j < 16; j++) {
+    Logger::nas_mm().debug("Decoded Authentication_Parameter_AUTN value (0x%2x)", _value[j]);
+  }
+  Logger::nas_mm().debug("Decoded Authentication_Parameter_AUTN len (%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/Authentication_Parameter_AUTN.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Authentication_Parameter_AUTN_H_
+#define __Authentication_Parameter_AUTN_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class Authentication_Parameter_AUTN {
+ public:
+  Authentication_Parameter_AUTN();
+  Authentication_Parameter_AUTN(uint8_t iei);
+  Authentication_Parameter_AUTN(const uint8_t iei, uint8_t *value);
+  ~Authentication_Parameter_AUTN();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint8_t* getValue();
+ private:
+  uint8_t _iei;
+  uint8_t _value[16];
+
+};
+
+}
+
+#endif
+

nas/ies/Authentication_Parameter_RAND.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "Authentication_Parameter_RAND.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_RAND::Authentication_Parameter_RAND(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_RAND::Authentication_Parameter_RAND(const uint8_t iei, uint8_t *value) {
+  _iei = iei;
+  for (int i = 0; i < 16; i++) {
+    this->_value[i] = value[i];
+  }
+}
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_RAND::Authentication_Parameter_RAND() {
+}
+
+//------------------------------------------------------------------------------
+Authentication_Parameter_RAND::~Authentication_Parameter_RAND() {
+}
+
+//------------------------------------------------------------------------------
+uint8_t* Authentication_Parameter_RAND::getValue() {
+  return _value;
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Parameter_RAND::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("Encoding Authentication_Parameter_RAND IEI (0x%x)", _iei);
+  if (len < 17) {
+    Logger::nas_mm().error("len is less than 17");
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    memcpy((void*) (buf + encoded_size), (void*) _value, 16);
+    encoded_size += 16;
+    //int i = 0;
+    //for (int i = 0; i < 16; i++) {
+    //	*(buf + encoded_size) = _value[i]; encoded_size++;
+    //}
+    return encoded_size;
+  } else {
+//		*(buf + encoded_size) = length - 1; encoded_size++;
+//		*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("Encoded Authentication_Parameter_RAND len (%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Parameter_RAND::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("Decoding Authentication_Parameter_RAND IEI (0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  for (int i = 0; i < 16; i++) {
+    _value[i] = *(buf + decoded_size);
+    decoded_size++;
+  }
+  for (int j = 0; j < 16; j++) {
+    Logger::nas_mm().debug("Decoded Authentication_Parameter_RAND value (0x%2x)", _value[j]);
+  }
+  Logger::nas_mm().debug("Decoded Authentication_Parameter_RAND len (%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/Authentication_Parameter_RAND.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Authentication_Parameter_RAND_H_
+#define __Authentication_Parameter_RAND_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class Authentication_Parameter_RAND {
+ public:
+  Authentication_Parameter_RAND();
+  Authentication_Parameter_RAND(uint8_t iei);
+  Authentication_Parameter_RAND(const uint8_t iei, uint8_t *value);
+  ~Authentication_Parameter_RAND();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint8_t* getValue();
+ private:
+  uint8_t _iei;
+  uint8_t _value[16];
+
+};
+
+}
+
+#endif
+

nas/ies/Authentication_Response_Parameter.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "Authentication_Response_Parameter.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+Authentication_Response_Parameter::Authentication_Response_Parameter(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+Authentication_Response_Parameter::Authentication_Response_Parameter(const uint8_t iei, bstring para) {
+  _iei = iei;
+  PARA = bstrcpy(para);
+}
+
+//------------------------------------------------------------------------------
+Authentication_Response_Parameter::Authentication_Response_Parameter() {
+}
+
+//------------------------------------------------------------------------------
+Authentication_Response_Parameter::~Authentication_Response_Parameter() {
+}
+
+//------------------------------------------------------------------------------
+void Authentication_Response_Parameter::getValue(bstring &para) {
+  para = bstrcpy(PARA);
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Response_Parameter::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("Encoding Authentication_Response_Parameter IEI 0x%x", _iei);
+  if (len < 18) {
+    Logger::nas_mm().error("len is less than 18");
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = 16;
+    encoded_size++;
+    int size = encode_bstring(PARA, (buf + encoded_size), len - encoded_size);
+    encoded_size += size;
+    return encoded_size;
+  } else {
+//		*(buf + encoded_size) = length - 1; encoded_size++;
+//		*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("Encoded Authentication_Response_Parameter (len %d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int Authentication_Response_Parameter::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("Decoding Authentication_Response_Parameter IEI 0x%x", *buf);
+  int decoded_size = 0;
+  uint8_t length = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  length = *(buf + decoded_size);
+  decoded_size++;
+  decode_bstring(&PARA, length, (buf + decoded_size), len - decoded_size);
+  decoded_size += length;
+  for (int i = 0; i < length; i++) {
+    Logger::nas_mm().debug("Decoded NAS_Message_Container value 0x%x", (uint8_t*) PARA->data[i]);
+  }
+  Logger::nas_mm().debug("Decoded Authentication_Response_Parameter (len %d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/Authentication_Response_Parameter.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Authentication_Response_Parameter_H_
+#define __Authentication_Response_Parameter_H_
+#include <iostream>
+#include <stdint.h>
+extern "C" {
+#include "bstrlib.h"
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+}
+
+namespace nas {
+
+class Authentication_Response_Parameter {
+ public:
+  Authentication_Response_Parameter();
+  Authentication_Response_Parameter(uint8_t iei);
+  Authentication_Response_Parameter(const uint8_t iei, bstring para);
+  ~Authentication_Response_Parameter();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void getValue(bstring &para);
+ private:
+  uint8_t _iei;
+  bstring PARA;
+
+};
+
+}
+
+#endif
+

nas/ies/DNN.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "DNN.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+DNN::DNN(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+DNN::DNN(const uint8_t iei, bstring dnn) {
+  _iei = iei;
+  _DNN = bstrcpy(dnn);
+  length = blength(dnn) + 2;
+}
+
+//------------------------------------------------------------------------------
+DNN::DNN() {
+}
+
+//------------------------------------------------------------------------------
+DNN::~DNN() {
+}
+
+//------------------------------------------------------------------------------
+/*void DNN::setValue(uint8_t iei, uint8_t value) {
+ _iei = iei;
+ _value = value;
+ }*/
+
+//------------------------------------------------------------------------------
+void DNN::getValue(bstring &dnn) {
+  //dnn = _DNN;
+  //dnn = bstrcpy(_DNN);
+  dnn = blk2bstr((uint8_t*) bdata(_DNN) + 1, blength(_DNN) - 1);
+}
+
+//------------------------------------------------------------------------------
+int DNN::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("Encoding DNN IEI (0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = (length - 2);
+    encoded_size++;
+    int size = encode_bstring(_DNN, (buf + encoded_size), len - encoded_size);
+    encoded_size += size;
+
+  } else {
+    *(buf + encoded_size) = (length - 1);
+    encoded_size++;
+    int size = encode_bstring(_DNN, (buf + encoded_size), len - encoded_size);
+    encoded_size += size;
+  }
+  Logger::nas_mm().debug("encoded DNN len: %d", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int DNN::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("Decoding DNN IEI (0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  length = *(buf + decoded_size);
+  decoded_size++;
+  decode_bstring(&_DNN, length, (buf + decoded_size), len - decoded_size);
+  decoded_size += length;
+  for (int i = 0; i < blength(_DNN); i++) {
+    Logger::nas_mm().debug("Decoded DNN value: 0x%x", (uint8_t*) bdata(_DNN)[i]);
+  }
+  Logger::nas_mm().debug("Decoded DNN len: %d", decoded_size);
+  return decoded_size;
+}
+

nas/ies/DNN.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __DNN_H_
+#define __DNN_H_
+#include <iostream>
+#include <stdint.h>
+extern "C" {
+#include "bstrlib.h"
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+}
+namespace nas {
+
+class DNN {
+ public:
+  DNN();
+  DNN(uint8_t iei);
+  DNN(const uint8_t iei, bstring dnn);
+  ~DNN();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void getValue(bstring &dnn);
+ private:
+  uint8_t _iei;
+  uint8_t length;
+  bstring _DNN;
+
+};
+
+}
+
+#endif
+

nas/ies/EAP_Message.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "EAP_Message.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+EAP_Message::EAP_Message(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+EAP_Message::EAP_Message(const uint8_t iei, bstring eap) {
+  _iei = iei;
+  EAP = bstrcpy(eap);
+  length = blength(eap) + 3;
+}
+
+//------------------------------------------------------------------------------
+EAP_Message::EAP_Message() {
+}
+
+//------------------------------------------------------------------------------
+EAP_Message::~EAP_Message() {
+}
+
+//------------------------------------------------------------------------------
+void EAP_Message::getValue(bstring &eap) {
+  eap = bstrcpy(EAP);
+}
+
+//------------------------------------------------------------------------------
+int EAP_Message::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding EAP_Message iei(0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  *(buf + encoded_size) = _iei;
+  encoded_size++;
+  *(buf + encoded_size) = (length - 3) & 0x00ff;
+  encoded_size++;
+  *(buf + encoded_size) = ((length - 3) & 0xff00) >> 8;
+  encoded_size++;
+  int size = encode_bstring(EAP, (buf + encoded_size), len - encoded_size);
+  encoded_size += size;
+
+  Logger::nas_mm().debug("encoded EAP_Message len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int EAP_Message::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding EAP_Message iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  length = 0;
+  length |= *(buf + decoded_size);
+  decoded_size++;
+  length |= (*(buf + decoded_size)) << 8;
+  decoded_size++;
+  decode_bstring(&EAP, length, (buf + decoded_size), len - decoded_size);
+  decoded_size += length;
+  for (int i = 0; i < length; i++) {
+    Logger::nas_mm().debug("decoded EAP_Message value(0x%x)", (uint8_t*) EAP->data[i]);
+  }
+  Logger::nas_mm().debug("decoded EAP_Message len(%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/EAP_Message.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __EAP_Message_H_
+#define __EAP_Message_H_
+
+#include <iostream>
+#include <stdint.h>
+extern "C" {
+#include "bstrlib.h"
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+}
+namespace nas {
+
+class EAP_Message {
+ public:
+  EAP_Message();
+  EAP_Message(uint8_t iei);
+  EAP_Message(const uint8_t iei, bstring eap);
+  ~EAP_Message();
+  //void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void getValue(bstring &eap);
+ private:
+  uint8_t _iei;
+  uint16_t length;
+  bstring EAP;
+
+};
+
+}
+
+#endif
+

nas/ies/EPS_Bearer_Context_Status.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "EPS_Bearer_Context_Status.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+EPS_Bearer_Context_Status::EPS_Bearer_Context_Status(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+EPS_Bearer_Context_Status::EPS_Bearer_Context_Status(const uint8_t iei, uint16_t value) {
+  _iei = iei;
+  _value = value;
+  length = 4;
+}
+
+//------------------------------------------------------------------------------
+EPS_Bearer_Context_Status::EPS_Bearer_Context_Status() {
+}
+
+//------------------------------------------------------------------------------
+EPS_Bearer_Context_Status::~EPS_Bearer_Context_Status() {
+}
+
+//------------------------------------------------------------------------------
+void EPS_Bearer_Context_Status::setValue(uint8_t iei, uint16_t value) {
+  _iei = iei;
+  _value = value;
+}
+
+//------------------------------------------------------------------------------
+uint16_t EPS_Bearer_Context_Status::getValue() {
+  return _value;
+}
+
+//------------------------------------------------------------------------------
+int EPS_Bearer_Context_Status::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding EPS_Bearer_Context_Status iei(0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = length - 2;
+    encoded_size++;
+    *(buf + encoded_size) = (_value & 0x00ff);
+    encoded_size++;
+    *(buf + encoded_size) = (_value & 0xff00) >> 8;
+    encoded_size++;
+  } else {
+    //*(buf + encoded_size) = length - 1; encoded_size++;
+    //*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("encoded EPS_Bearer_Context_Status len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int EPS_Bearer_Context_Status::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding EPS_Bearer_Context_Status iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  _value = 0x0000;
+  length = *(buf + decoded_size);
+  decoded_size++;
+  _value |= *(buf + decoded_size);
+  decoded_size++;
+  _value |= (*(buf + decoded_size)) << 8;
+  decoded_size++;
+  Logger::nas_mm().debug("decoded EPS_Bearer_Context_Status value(0x%4x)", _value);
+  Logger::nas_mm().debug("decoded EPS_Bearer_Context_Status len(%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/EPS_Bearer_Context_Status.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __EPS_Bearer_Context_Status_H_
+#define __EPS_Bearer_Context_Status_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class EPS_Bearer_Context_Status {
+ public:
+  EPS_Bearer_Context_Status();
+  EPS_Bearer_Context_Status(uint8_t iei);
+  EPS_Bearer_Context_Status(const uint8_t iei, uint16_t value);
+  ~EPS_Bearer_Context_Status();
+  void setValue(uint8_t iei, uint16_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  uint16_t getValue();
+ private:
+  uint8_t _iei;
+  uint8_t length;
+  uint16_t _value;
+
+};
+
+}
+
+#endif
+

nas/ies/EPS_NAS_Message_Container.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+#include "EPS_NAS_Message_Container.hpp"
+#include "logger.hpp"
+using namespace nas;
+
+//------------------------------------------------------------------------------
+EPS_NAS_Message_Container::EPS_NAS_Message_Container(uint8_t iei) {
+  _iei = iei;
+}
+
+//------------------------------------------------------------------------------
+EPS_NAS_Message_Container::EPS_NAS_Message_Container(const uint8_t iei, bstring value) {
+  _iei = iei;
+  _value = bstrcpy(value);
+  length = blength(value) + 3;
+}
+
+//------------------------------------------------------------------------------
+EPS_NAS_Message_Container::EPS_NAS_Message_Container() {
+}
+
+//------------------------------------------------------------------------------
+EPS_NAS_Message_Container::~EPS_NAS_Message_Container() {
+}
+
+//------------------------------------------------------------------------------
+void EPS_NAS_Message_Container::setValue(uint8_t iei, uint8_t value) {
+  _iei = iei;
+  //_value = value;
+}
+
+//------------------------------------------------------------------------------
+void EPS_NAS_Message_Container::getValue(bstring &value) {
+  value = bstrcpy(_value);
+}
+
+//------------------------------------------------------------------------------
+int EPS_NAS_Message_Container::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding EPS_NAS_Message_Container iei(0x%x)", _iei);
+  if (len < length) {
+    Logger::nas_mm().error("len is less than %d", length);
+    return 0;
+  }
+  int encoded_size = 0;
+  if (_iei) {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = (length - 3) & 0x00ff;
+    encoded_size++;
+    *(buf + encoded_size) = ((length - 3) & 0xff000) >> 8;
+    encoded_size++;
+    int size = encode_bstring(_value, (buf + encoded_size), len - encoded_size);
+    encoded_size += size;
+
+  } else {
+//		*(buf + encoded_size) = length - 1; encoded_size++;
+//		*(buf + encoded_size) = _value; encoded_size++; encoded_size++;
+  }
+  Logger::nas_mm().debug("encoded EPS_NAS_Message_Container len(%d)", encoded_size);
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int EPS_NAS_Message_Container::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding EPS_NAS_Message_Container iei(0x%x)", *buf);
+  int decoded_size = 0;
+  if (is_option) {
+    decoded_size++;
+  }
+  length = 0;
+  length |= *(buf + decoded_size);
+  decoded_size++;
+  length |= (*(buf + decoded_size)) << 8;
+  decoded_size++;
+  decode_bstring(&_value, length, (buf + decoded_size), len - decoded_size);
+  decoded_size += length;
+  for (int i = 0; i < length; i++) {
+    Logger::nas_mm().debug("decoded EPS_NAS_Message_Container value(0x%x)", (uint8_t*) _value->data[i]);
+  }
+  Logger::nas_mm().debug("decoded EPS_NAS_Message_Container len(%d)", decoded_size);
+  return decoded_size;
+}
+

nas/ies/EPS_NAS_Message_Container.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+#ifndef __EPS_NAS_Message_Container_H_
+#define __EPS_NAS_Message_Container_H_
+#include <iostream>
+#include <stdint.h>
+extern "C" {
+#include "bstrlib.h"
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+}
+namespace nas {
+
+class EPS_NAS_Message_Container {
+ public:
+  EPS_NAS_Message_Container();
+  EPS_NAS_Message_Container(uint8_t iei);
+  EPS_NAS_Message_Container(const uint8_t iei, bstring value);
+  ~EPS_NAS_Message_Container();
+  void setValue(uint8_t iei, uint8_t value);
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void getValue(bstring &value);
+ private:
+  uint8_t _iei;
+  uint16_t length;
+  bstring _value;
+
+};
+
+}
+
+#endif
+

nas/ies/EPS_NAS_Security_Algorithms.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+#include "EPS_NAS_Security_Algorithms.hpp"
+#include "logger.hpp"
+#include <iostream>
+using namespace nas;
+using namespace std;
+
+//------------------------------------------------------------------------------
+EPS_NAS_Security_Algorithms::EPS_NAS_Security_Algorithms() {
+}
+
+//------------------------------------------------------------------------------
+EPS_NAS_Security_Algorithms::~EPS_NAS_Security_Algorithms() {
+}
+
+//------------------------------------------------------------------------------
+EPS_NAS_Security_Algorithms::EPS_NAS_Security_Algorithms(uint8_t iei, uint8_t ciphering, uint8_t integrity_protection) {
+  _iei = iei;
+  CIPHERING = ciphering;
+  INTEGRITY_PROTECTION = integrity_protection;
+}
+
+//------------------------------------------------------------------------------
+void EPS_NAS_Security_Algorithms::setCIPHERING(uint8_t value) {
+  CIPHERING = value;
+}
+
+//------------------------------------------------------------------------------
+void EPS_NAS_Security_Algorithms::setINTEGRITY_PROTECTION(uint8_t value) {
+  INTEGRITY_PROTECTION = value;
+}
+
+//------------------------------------------------------------------------------
+uint8_t EPS_NAS_Security_Algorithms::getCIPHERING() {
+  return CIPHERING;
+}
+
+//------------------------------------------------------------------------------
+uint8_t EPS_NAS_Security_Algorithms::getINTEGRITY_PROTECTION() {
+  return INTEGRITY_PROTECTION;
+}
+
+//------------------------------------------------------------------------------
+int EPS_NAS_Security_Algorithms::encode2buffer(uint8_t *buf, int len) {
+  Logger::nas_mm().debug("encoding EPS_NAS_Security_Algorithms iei(0x%x)", _iei);
+  int encoded_size = 0;
+  if (len < 2) {
+    Logger::nas_mm().error("len is less than 2");
+    return -1;
+  }
+
+  else {
+    *(buf + encoded_size) = _iei;
+    encoded_size++;
+    *(buf + encoded_size) = ((CIPHERING & 0x07) << 4) | (INTEGRITY_PROTECTION & 0x07);
+    encoded_size++;
+    Logger::nas_mm().debug("encoded EPS_NAS_Security_Algorithms IE 0x%x", *buf);
+  }
+  return encoded_size;
+}
+
+//------------------------------------------------------------------------------
+int EPS_NAS_Security_Algorithms::decodefrombuffer(uint8_t *buf, int len, bool is_option) {
+  Logger::nas_mm().debug("decoding EPS_NAS_Security_Algorithms IE");
+  if (len < 2) {
+    Logger::nas_mm().error("len is less than 2");
+    return 0;
+  } else {
+    int decoded_size = 0;
+    decoded_size++;
+    CIPHERING = (*(buf + decoded_size) & 0x70) >> 4;
+    INTEGRITY_PROTECTION = *(buf + decoded_size) & 0x07;
+    decoded_size++;
+    Logger::nas_mm().debug("decoded NAS_Security_Algorithms len 1 octet,CIPHERING=0x%x,INTEGRITY_PROTECTION=0x%x", CIPHERING, INTEGRITY_PROTECTION);
+    return decoded_size;
+  }
+}
+

nas/ies/EPS_NAS_Security_Algorithms.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __EPS_NAS_Security_Algorithms_H
+#define __EPS_NAS_Security_Algorithms_H
+
+#include <stdint.h>
+
+namespace nas {
+
+class EPS_NAS_Security_Algorithms {
+ public:
+  EPS_NAS_Security_Algorithms();
+  ~EPS_NAS_Security_Algorithms();
+  EPS_NAS_Security_Algorithms(uint8_t iei, uint8_t ciphering, uint8_t integrity_protection);
+  void setCIPHERING(uint8_t value);
+  void setINTEGRITY_PROTECTION(uint8_t value);
+  uint8_t getCIPHERING();
+  uint8_t getINTEGRITY_PROTECTION();
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+ private:
+  uint8_t _iei;
+  uint8_t CIPHERING;
+  uint8_t INTEGRITY_PROTECTION;
+};
+
+}
+
+#endif
+

nas/ies/ExtendedProtocolDiscriminator.cpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#include "ExtendedProtocolDiscriminator.hpp"
+
+using namespace nas;
+
+//------------------------------------------------------------------------------
+void ExtendedProtocolDiscriminator::setValue(const uint8_t epd) {
+  m_epd = epd;
+}
+
+//------------------------------------------------------------------------------
+uint8_t ExtendedProtocolDiscriminator::getValue() {
+  return m_epd;
+}
+
+//------------------------------------------------------------------------------
+void ExtendedProtocolDiscriminator::encode2buffer(uint8_t *buf, int len) {
+
+}

nas/ies/ExtendedProtocolDiscriminator.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+
+#ifndef _EPD_H_
+#define _EPD_H_
+
+#include<stdint.h>
+
+namespace nas {
+
+class ExtendedProtocolDiscriminator {
+ public:
+  void encode2buffer(uint8_t *buf, int len);
+  void setValue(const uint8_t epd);
+  uint8_t getValue();
+ private:
+  uint8_t m_epd;
+
+};
+
+}
+
+#endif

nas/ies/Extended_DRX_Parameters.hpp

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file
+ \brief
+ \author  Keliang DU, BUPT
+ \date 2020
+ \email: contact@openairinterface.org
+ */
+
+#ifndef __Extended_DRX_Parameters_H_
+#define __Extended_DRX_Parameters_H_
+
+#include <stdint.h>
+
+namespace nas {
+
+class Extended_DRX_Parameters {
+ public:
+  Extended_DRX_Parameters();
+  Extended_DRX_Parameters(uint8_t iei);
+  Extended_DRX_Parameters(const uint8_t iei, uint8_t paging_time, uint8_t value);
+  ~Extended_DRX_Parameters();
+  int encode2buffer(uint8_t *buf, int len);
+  int decodefrombuffer(uint8_t *buf, int len, bool is_option);
+  void setValue(uint8_t value);
+  uint8_t getValue();
+  void setPaging_time(uint8_t value);
+  uint8_t getPaging_time();
+ private:
+  uint8_t _iei;
+  uint8_t _paging_time;
+  uint8_t _value;
+};
+}
+
+#endif
+