1 /****************************************************************************** 2 * Copyright (c) 2022 Telink Semiconductor (Shanghai) Co., Ltd. ("TELINK") 3 * All rights reserved. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 *****************************************************************************/ 18 #ifndef ECC_LL_H_ 19 #define ECC_LL_H_ 20 21 #include "algorithm/ecc/ecc_curve.h" 22 23 extern const u8 blt_ecc_dbg_priv_key192[24]; 24 extern const u8 blt_ecc_dbg_pub_key192[48]; 25 26 extern const u8 blt_ecc_dbg_priv_key256[32]; 27 extern const u8 blt_ecc_dbg_pub_key256[64]; 28 29 30 /** 31 * @brief This function is used to register the random number function needed for ECC calculation 32 * @param none 33 * @return none 34 */ 35 void blt_ecc_init(void); 36 37 /** 38 * @brief This function is used to generate an ECDH public-private key pairs 39 * @param[out] pub[64]: output ecdh public key 40 * @param[out] priv[64]: output ecdh private key 41 * @param[in] use_dbg_key: 0: Non-debug key , others: debug key 42 * @return 1: success 43 * 0: failure 44 */ 45 int blt_ecc_gen_key_pair(unsigned char *pub, unsigned char *priv, ecc_curve_t curve, bool use_dbg_key); 46 47 /** 48 * @brief This function is used to calculate DHKEY based on the peer public key and own private key 49 * @param[in] peer_pub_key[64]: peer public key 50 * @param[in] own_priv_key[32]: own private key 51 * @param[out] out_dhkey[32]: dhkey key 52 * @return 1: success 53 * 0: failure 54 */ 55 int blt_ecc_gen_dhkey(const unsigned char *peer_pub, const unsigned char *own_priv, unsigned char *out_dhkey, ecc_curve_t curve); 56 57 58 59 60 #endif /* ECC_LL_H_ */ 61 62 63 64 65
