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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
8typedef 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
28int AesCtxIni(AesCtx *pCtx, unsigned char *pIV, unsigned char *pKey, unsigned int KeyLen, unsigned char Mode);
29int AesEncrypt(AesCtx *pCtx, unsigned char *pData, unsigned char *pCipher, unsigned int DataLen);
30int AesDecrypt(AesCtx *pCtx, unsigned char *pCipher, unsigned char *pData, unsigned int CipherLen);
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