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 #ifdef __cplusplus 20 #include <cstdint> 21 #include <cstdio> 22 #else 23 #include <stdint.h> 24 #include <stdio.h> 25 #endif 26 27 #ifdef __cplusplus 28 #if __cplusplus 29 extern "C" { 30 #endif 31 #endif /* __cplusplus */ 32 33 #define KEY_LEN 32 34 #define AES_BLOCK_SIZE 16 35 #define ERROR_CODE_GENERAL (-1) 36 #define ERROR_SUCCESS 0 37 38 typedef enum { 39 CIPHER_AES_ECB, 40 CIPHER_AES_CBC 41 } CipherAesMode; 42 43 typedef struct { 44 char *text; 45 char *key; 46 int32_t action; 47 int32_t textLen; 48 int32_t keyLen; 49 } CryptData; 50 51 typedef struct { 52 char *transformation; 53 char *ivBuf; 54 int32_t ivOffset; 55 int32_t ivLen; 56 } AesIvMode; 57 58 typedef struct { 59 CryptData data; 60 CipherAesMode mode; 61 AesIvMode iv; 62 } AesCryptContext; 63 64 typedef struct { 65 char *data; 66 size_t length; 67 } RsaData; 68 69 typedef struct { 70 char *trans; 71 char *action; 72 char *key; 73 size_t keyLen; 74 } RsaKeyData; 75 76 int32_t InitAesCryptData(const char *action, const char *text, const char *key, 77 const AesIvMode *iv, AesCryptContext *aesCryptCxt); 78 int32_t AesCrypt(AesCryptContext *aesCryptCxt); 79 void DeinitAesCryptData(AesCryptContext *aesCryptCxt); 80 int32_t RsaCrypt(RsaKeyData *key, RsaData *inData, RsaData *outData); 81 82 #ifdef __cplusplus 83 #if __cplusplus 84 } 85 #endif 86 #endif 87 88 #endif // CIPHER_H