1 /*
2  * Copyright (c) 2023 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 SOFTBUS_RSA_ENCRYPT_H
17 #define SOFTBUS_RSA_ENCRYPT_H
18 
19 #include <stdint.h>
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 typedef struct {
26     const uint8_t *key;
27     uint32_t len;
28 } PublicKey;
29 
30 #define SOFTBUS_RSA_LEN         2048
31 #define SOFTBUS_RSA_ENCRYPT_LEN (SOFTBUS_RSA_LEN / 8)
32 #define SOFTBUS_RSA_PUB_KEY_LEN (SOFTBUS_RSA_ENCRYPT_LEN + 38)
33 
34 #define RSA_PUB_KEY_LEN_SUBTRACT_ENCRYPT_LEN 38
35 
36 int32_t SoftBusGetPublicKey(uint8_t *publicKey, uint32_t publicKeyLen);
37 int32_t SoftBusRsaEncrypt(const uint8_t *srcData, uint32_t srcDataLen, PublicKey *publicKey, uint8_t **encryptedData,
38     uint32_t *encryptedDataLen);
39 int32_t SoftBusRsaDecrypt(
40     const uint8_t *srcData, uint32_t srcDataLen, uint8_t **decryptedData, uint32_t *decryptedDataLen);
41 
42 #ifdef __cplusplus
43 }
44 #endif
45 #endif /* SOFTBUS_RSA_ENCRYPT_H */
46