1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HKS_MBEDTLS_ECC_H 17 #define HKS_MBEDTLS_ECC_H 18 19 #ifdef HKS_CONFIG_FILE 20 #include HKS_CONFIG_FILE 21 #else 22 #include "hks_config.h" 23 #endif 24 25 #include <mbedtls/bignum.h> 26 #include <mbedtls/ecp.h> 27 28 #include "hks_crypto_hal.h" 29 #include "hks_type_inner.h" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 int32_t GetEccGroupId(const uint32_t keyLen, mbedtls_ecp_group_id *grpId); 36 37 int32_t EccKeyCheck(const struct HksBlob *key); 38 39 #if defined(HKS_SUPPORT_ECDH_C) || defined(HKS_SUPPORT_ECDSA_C) 40 int32_t HksMbedtlsEccGetKeyCurveNist(const struct KeyMaterialEcc *keyMaterial, mbedtls_ecp_group_id *curve); 41 42 int32_t HksEccKeyMaterialToPub(const struct HksBlob *key, mbedtls_ecp_point *pub); 43 44 int32_t HksEccKeyMaterialToPri(const struct HksBlob *key, mbedtls_mpi *pri); 45 #endif 46 47 #ifdef HKS_SUPPORT_ECC_GENERATE_KEY 48 int32_t HksMbedtlsEccGenerateKey(const struct HksKeySpec *spec, struct HksBlob *key); 49 #endif 50 51 #ifdef HKS_SUPPORT_ECC_GET_PUBLIC_KEY 52 int32_t HksMbedtlsGetEccPubKey(const struct HksBlob *keyIn, struct HksBlob *keyOut); 53 #endif 54 55 #ifdef __cplusplus 56 } 57 #endif 58 59 #endif /* HKS_MBEDTLS_ECC_H */ 60