aes.h

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#ifndef POLARSSL_AES_H
#define POLARSSL_AES_H
 
#if !defined(POLARSSL_CONFIG_FILE)
#include "config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
 
#include <string.h>
 
#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
 
/* padlock.c and aesni.c rely on these values! */
#define AES_ENCRYPT     1
#define AES_DECRYPT     0
 
#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH                -0x0020  
#define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH              -0x0022  
#if !defined(POLARSSL_AES_ALT)
// Regular implementation
//
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct
{
    int nr;                     
    uint32_t *rk;               
    uint32_t buf[68];           
}
aes_context;
 
void aes_init( aes_context *ctx );
 
void aes_free( aes_context *ctx );
 
int aes_setkey_enc( aes_context *ctx, const unsigned char *key,
                    unsigned int keysize );
 
int aes_setkey_dec( aes_context *ctx, const unsigned char *key,
                    unsigned int keysize );
 
int aes_crypt_ecb( aes_context *ctx,
                    int mode,
                    const unsigned char input[16],
                    unsigned char output[16] );
 
#if defined(POLARSSL_CIPHER_MODE_CBC)
int aes_crypt_cbc( aes_context *ctx,
                    int mode,
                    size_t length,
                    unsigned char iv[16],
                    const unsigned char *input,
                    unsigned char *output );
#endif /* POLARSSL_CIPHER_MODE_CBC */
 
#if defined(POLARSSL_CIPHER_MODE_CFB)
int aes_crypt_cfb128( aes_context *ctx,
                       int mode,
                       size_t length,
                       size_t *iv_off,
                       unsigned char iv[16],
                       const unsigned char *input,
                       unsigned char *output );
 
int aes_crypt_cfb8( aes_context *ctx,
                    int mode,
                    size_t length,
                    unsigned char iv[16],
                    const unsigned char *input,
                    unsigned char *output );
#endif /*POLARSSL_CIPHER_MODE_CFB */
 
#if defined(POLARSSL_CIPHER_MODE_CTR)
int aes_crypt_ctr( aes_context *ctx,
                       size_t length,
                       size_t *nc_off,
                       unsigned char nonce_counter[16],
                       unsigned char stream_block[16],
                       const unsigned char *input,
                       unsigned char *output );
#endif /* POLARSSL_CIPHER_MODE_CTR */
 
#ifdef __cplusplus
}
#endif
 
#else  /* POLARSSL_AES_ALT */
#include "aes_alt.h"
#endif /* POLARSSL_AES_ALT */
 
#ifdef __cplusplus
extern "C" {
#endif
 
int aes_self_test( int verbose );
 
#ifdef __cplusplus
}
#endif
 
#endif /* aes.h */