1 /*
2  * Copyright (C) 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 MBEDTLS_EC_ADAPTER_H
17 #define MBEDTLS_EC_ADAPTER_H
18 
19 #include <stdint.h>
20 #include "string_util.h"
21 #include "alg_defs.h"
22 
23 #define HASH2POINT_PARA_PREPRO 0xc0
24 #define BYTE_LENGTH_CURVE_25519 32
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 int32_t MbedtlsHashToPoint(const Uint8Buff *hash, Uint8Buff *outEcPoint);
31 int32_t MbedtlsHashToPoint25519(const Uint8Buff *hash, Uint8Buff *outEcPoint);
32 int32_t MbedtlsAgreeSharedSecret(const KeyBuff *priKey, const KeyBuff *pubKey, Uint8Buff *sharedKey);
33 int32_t MbedtlsBase64Encode(const uint8_t *byte, uint32_t byteLen, char *base64Str, uint32_t strLen, uint32_t *outLen);
34 int32_t MbedtlsBase64Decode(const char *base64Str, uint32_t strLen, uint8_t *byte, uint32_t byteLen, uint32_t *outLen);
35 
36 #ifdef __cplusplus
37 }
38 #endif
39 #endif
40