1 /* 2 * Copyright (c) 2021-2022 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_CURVE25519_H 17 #define HKS_OPENSSL_CURVE25519_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 CURVE25519_KEY_LEN 32 29 #define CURVE25519_KEY_BITS 256 30 31 int32_t HksOpensslCurve25519GenerateKey(const struct HksKeySpec *spec, struct HksBlob *key); 32 33 int32_t HksOpensslX25519AgreeKey(const struct HksBlob *nativeKey, const struct HksBlob *pubKey, 34 const struct HksKeySpec *spec, struct HksBlob *sharedKey); 35 36 int32_t HksOpensslEd25519AgreeKey(const struct HksBlob *nativeKey, const struct HksBlob *pubKey, 37 const struct HksKeySpec *spec, struct HksBlob *sharedKey); 38 39 int32_t HksOpensslEd25519Sign(const struct HksBlob *key, const struct HksUsageSpec *usageSpec, 40 const struct HksBlob *message, struct HksBlob *signature); 41 42 int32_t HksOpensslEd25519Verify(const struct HksBlob *key, const struct HksUsageSpec *usageSpec, 43 const struct HksBlob *message, const struct HksBlob *signature); 44 45 int32_t HksOpensslGetEd25519PubKey(const struct HksBlob *input, struct HksBlob *output); 46 47 #ifdef __cplusplus 48 } 49 #endif 50 51 #endif /* HKS_OPENSSL_CURVE25519_H */ 52