1 /* 2 * Copyright (c) 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_OPENSSL_KDF_H 17 #define HKS_OPENSSL_KDF_H 18 19 #include <stdint.h> 20 21 #include "hks_crypto_hal.h" 22 #include "hks_type.h" 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 #define HKDF_EXPAND_MAX 0xFF 29 30 int32_t HksOpensslHkdf(const struct HksBlob *mainKey, const struct HksKeySpec *derivationSpec, 31 struct HksBlob *derivedKey); 32 33 int32_t HksOpensslPbkdf2(const struct HksBlob *mainKey, const struct HksKeySpec *derivationSpec, 34 struct HksBlob *derivedKey); 35 36 #ifdef HKS_SUPPORT_KDF_SM3 37 int32_t HksOpensslSmKdf(const struct HksBlob *mainKey, const struct HksKeySpec *derivationSpec, 38 struct HksBlob *derivedKey); 39 #endif /* HKS_SUPPORT_KDF_SM3 */ 40 41 #ifdef __cplusplus 42 } 43 #endif 44 45 #endif /* HKS_OPENSSL_KDF_H */ 46