/* Utility functions from ogslib imported to TTCN-3 * * (C) 2019 Harald Welte * All rights reserved. * * Released under the terms of GNU General Public License, Version 2 or * (at your option) any later version. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include #include #include #include #include #include #include #include #include "key_derivation.h" namespace LTE__CryptoFunctions { OCTETSTRING f__kdf__kasme(const OCTETSTRING& ck, const OCTETSTRING& ik, const OCTETSTRING& plmn_id, const OCTETSTRING& sqn, const OCTETSTRING& ak) { TTCN_Buffer ttcn_buf_ck(ck); TTCN_Buffer ttcn_buf_ik(ik); TTCN_Buffer ttcn_buf_plmn_id(plmn_id); TTCN_Buffer ttcn_buf_sqn(sqn); TTCN_Buffer ttcn_buf_ak(ak); uint8_t kasme[32]; hss_auc_kasme(ttcn_buf_ck.get_data(), ttcn_buf_ik.get_data(), ttcn_buf_plmn_id.get_data(), ttcn_buf_sqn.get_data(), ttcn_buf_ak.get_data(), kasme); return OCTETSTRING(sizeof(kasme), kasme); } OCTETSTRING f__kdf__nas__int(const INTEGER& alg_id, const OCTETSTRING &kasme) { TTCN_Buffer ttcn_buf_kasme(kasme); uint8_t knas[16]; mme_kdf_nas(MME_KDF_NAS_INT_ALG, (int)alg_id, (const uint8_t*) ttcn_buf_kasme.get_data(), knas); return OCTETSTRING(sizeof(knas), knas); } OCTETSTRING f__kdf__nas__enc(const INTEGER& alg_id, const OCTETSTRING &kasme) { TTCN_Buffer ttcn_buf_kasme(kasme); uint8_t knas[16]; mme_kdf_nas(MME_KDF_NAS_ENC_ALG, (int)alg_id, (const uint8_t*) ttcn_buf_kasme.get_data(), knas); return OCTETSTRING(sizeof(knas), knas); } OCTETSTRING f__kdf__enb(const OCTETSTRING &kasme, const INTEGER &ul_count) { TTCN_Buffer ttcn_buf_kasme(kasme); uint8_t kenb[32]; mme_kdf_enb(ttcn_buf_kasme.get_data(), (int)ul_count, kenb); return OCTETSTRING(sizeof(kenb), kenb); } OCTETSTRING f__kdf__nh(const OCTETSTRING &kasme, const OCTETSTRING &sync_inp) { TTCN_Buffer ttcn_buf_kasme(kasme); TTCN_Buffer ttcn_buf_sync_inp(sync_inp); uint8_t kenb[32]; mme_kdf_nh(ttcn_buf_kasme.get_data(), ttcn_buf_sync_inp.get_data(), kenb); return OCTETSTRING(sizeof(kenb), kenb); } OCTETSTRING f__kdf__nas__token(const OCTETSTRING &kasme, const INTEGER &ul_count) { TTCN_Buffer ttcn_buf_kasme(kasme); uint8_t nas_token[32]; mme_kdf_nas_token(ttcn_buf_kasme.get_data(), (int)ul_count, nas_token); return OCTETSTRING(sizeof(nas_token), nas_token); } } // namespace