1 /* 2 * Copyright (c) 2020 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 CIPHER_H 17 #define CIPHER_H 18 19 #include <stdint.h> 20 #include <stdio.h> 21 22 #ifdef __cplusplus 23 #if __cplusplus 24 extern "C" { 25 #endif 26 #endif /* __cplusplus */ 27 28 #define KEY_LEN 32 29 #define AES_BLOCK_SIZE 16 30 #define ERROR_CODE_GENERAL -1 31 #define ERROR_SUCCESS 0 32 33 typedef enum { 34 CIPHER_AES_ECB, 35 CIPHER_AES_CBC 36 } CipherAesMode; 37 38 typedef struct { 39 char *text; 40 char *key; 41 int32_t action; 42 int32_t textLen; 43 int32_t keyLen; 44 } CryptData; 45 46 typedef struct { 47 char *transformation; 48 char *ivBuf; 49 int32_t ivOffset; 50 int32_t ivLen; 51 } AesIvMode; 52 53 typedef struct { 54 CryptData data; 55 CipherAesMode mode; 56 AesIvMode iv; 57 } AesCryptContext; 58 59 typedef struct { 60 char *data; 61 size_t length; 62 } RsaData; 63 64 typedef struct { 65 char *trans; 66 char *action; 67 char *key; 68 size_t keyLen; 69 } RsaKeyData; 70 71 int32_t InitAesCryptData(const char *action, const char *text, const char *key, 72 const AesIvMode *iv, AesCryptContext *aesCryptCxt); 73 int32_t AesCrypt(AesCryptContext *aesCryptCxt); 74 void DeinitAesCryptData(AesCryptContext *aesCryptCxt); 75 int32_t RsaCrypt(RsaKeyData *key, RsaData *inData, RsaData *outData); 76 77 #ifdef __cplusplus 78 #if __cplusplus 79 } 80 #endif 81 #endif 82 83 #endif // CIPHER_H