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iceman1001 2014-09-11 23:23:46 +02:00
commit f38a152863
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armsrc/aes.h Normal file
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/*
* AES Cryptographic Algorithm Header File. Include this header file in
* your source which uses these given APIs. (This source is kept under
* public domain)
*/
// AES context structure
typedef struct {
unsigned int Ek[60];
unsigned int Dk[60];
unsigned int Iv[4];
unsigned char Nr;
unsigned char Mode;
} AesCtx;
// key length in bytes
#define KEY128 16
#define KEY192 24
#define KEY256 32
// block size in bytes
#define BLOCKSZ 16
// mode
#define EBC 0
#define CBC 1
// AES API function prototype
int AesCtxIni(AesCtx *pCtx, unsigned char *pIV, unsigned char *pKey, unsigned int KeyLen, unsigned char Mode);
int AesEncrypt(AesCtx *pCtx, unsigned char *pData, unsigned char *pCipher, unsigned int DataLen);
int AesDecrypt(AesCtx *pCtx, unsigned char *pCipher, unsigned char *pData, unsigned int CipherLen);