33 lines
824 B
C
Executable File
33 lines
824 B
C
Executable File
/*
|
|
* 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);
|
|
|