104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
|
#ifndef _SOFT_ENCRYPT_H_
|
||
|
|
#define _SOFT_ENCRYPT_H_
|
||
|
|
|
||
|
|
#define AES_ENCRYPT 1
|
||
|
|
#define AES_DECRYPT 0
|
||
|
|
|
||
|
|
#define WEENY_AES_ROM_TABLES 0
|
||
|
|
#define XOR_KEY_COUNT 8
|
||
|
|
|
||
|
|
#define BK_AES_IV_LEN (16)
|
||
|
|
#define BK_AES_KEY_LEN (32)
|
||
|
|
#define BK_TINY_AES_IV "0123456789ABCEEF"
|
||
|
|
#define BK_TINY_AES_KEY "0123456789ABCEEF0123456789ABCDEF"
|
||
|
|
|
||
|
|
#define POW_LEN (256)
|
||
|
|
#define LOG_LEN (256)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief AES context structure
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
int nr; /*!< number of rounds */
|
||
|
|
unsigned long *rk; /*!< AES round keys */
|
||
|
|
unsigned long buf[68]; /*!< unaligned data */
|
||
|
|
} weeny_aes_context;
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
void xor_enc(void *in, void *out, int len);
|
||
|
|
void xor_dec(void *in, void *out, int len);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief AES key schedule (encryption)
|
||
|
|
*
|
||
|
|
* \param ctx AES context to be initialized
|
||
|
|
* \param key encryption key
|
||
|
|
* \param keysize must be 128, 192 or 256
|
||
|
|
*/
|
||
|
|
void weeny_aes_setkey_enc(weeny_aes_context *ctx, unsigned char *key, int keysize);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief AES key schedule (decryption)
|
||
|
|
*
|
||
|
|
* \param ctx AES context to be initialized
|
||
|
|
* \param key decryption key
|
||
|
|
* \param keysize must be 128, 192 or 256
|
||
|
|
*/
|
||
|
|
void weeny_aes_setkey_dec(weeny_aes_context *ctx, unsigned char *key, int keysize);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief AES-ECB block encryption/decryption
|
||
|
|
*
|
||
|
|
* \param ctx AES context
|
||
|
|
* \param mode AES_ENCRYPT or AES_DECRYPT
|
||
|
|
* \param input 16-byte input block
|
||
|
|
* \param output 16-byte output block
|
||
|
|
*/
|
||
|
|
void weeny_aes_crypt_ecb(weeny_aes_context *ctx,
|
||
|
|
int mode,
|
||
|
|
unsigned char input[16], unsigned char output[16]);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief AES-CBC buffer encryption/decryption
|
||
|
|
*
|
||
|
|
* \param ctx AES context
|
||
|
|
* \param mode AES_ENCRYPT or AES_DECRYPT
|
||
|
|
* \param length length of the input data
|
||
|
|
* \param iv initialization vector (updated after use)
|
||
|
|
* \param input buffer holding the input data
|
||
|
|
* \param output buffer holding the output data
|
||
|
|
*/
|
||
|
|
void weeny_aes_crypt_cbc(weeny_aes_context *ctx,
|
||
|
|
int mode,
|
||
|
|
int length,
|
||
|
|
unsigned char iv[16],
|
||
|
|
unsigned char *input, unsigned char *output);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief AES-CFB128 buffer encryption/decryption
|
||
|
|
*
|
||
|
|
* \param ctx AES context
|
||
|
|
* \param mode AES_ENCRYPT or AES_DECRYPT
|
||
|
|
* \param length length of the input data
|
||
|
|
* \param iv_off offset in IV (updated after use)
|
||
|
|
* \param iv initialization vector (updated after use)
|
||
|
|
* \param input buffer holding the input data
|
||
|
|
* \param output buffer holding the output data
|
||
|
|
*/
|
||
|
|
void weeny_aes_crypt_cfb128(weeny_aes_context *ctx,
|
||
|
|
int mode,
|
||
|
|
int length,
|
||
|
|
int *iv_off,
|
||
|
|
unsigned char iv[16],
|
||
|
|
unsigned char *input, unsigned char *output);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#endif //_SOFT_ENCRYPT_H_
|
||
|
|
// eof
|
||
|
|
|