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Commit | Line | Data |
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a631936e | 1 | /* |
2 | * AES Cryptographic Algorithm Header File. Include this header file in | |
3 | * your source which uses these given APIs. (This source is kept under | |
4 | * public domain) | |
5 | */ | |
6 | ||
7 | // AES context structure | |
8 | typedef struct { | |
9 | unsigned int Ek[60]; | |
10 | unsigned int Dk[60]; | |
11 | unsigned int Iv[4]; | |
12 | unsigned char Nr; | |
13 | unsigned char Mode; | |
14 | } AesCtx; | |
15 | ||
16 | // key length in bytes | |
17 | #define KEY128 16 | |
18 | #define KEY192 24 | |
19 | #define KEY256 32 | |
20 | // block size in bytes | |
21 | #define BLOCKSZ 16 | |
22 | // mode | |
23 | #define EBC 0 | |
24 | #define CBC 1 | |
25 | ||
26 | // AES API function prototype | |
27 | ||
28 | int AesCtxIni(AesCtx *pCtx, unsigned char *pIV, unsigned char *pKey, unsigned int KeyLen, unsigned char Mode); | |
29 | int AesEncrypt(AesCtx *pCtx, unsigned char *pData, unsigned char *pCipher, unsigned int DataLen); | |
30 | int AesDecrypt(AesCtx *pCtx, unsigned char *pCipher, unsigned char *pData, unsigned int CipherLen); |