/home/dko/projects/mobilec/trunk/src/security/xyssl-0.9/include/xyssl/aes.h File Reference

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Data Structures

struct aes_context

AES context structure. More...

Defines

#define AES_ENCRYPT 1

#define AES_DECRYPT 0

Functions

void aes_setkey_enc (aes_context *ctx, unsigned char *key, int keysize)

AES key schedule (encryption).

void aes_setkey_dec (aes_context *ctx, unsigned char *key, int keysize)

AES key schedule (decryption).

void aes_crypt_ecb (aes_context *ctx, int mode, unsigned char input[16], unsigned char output[16])

AES-ECB block encryption/decryption.

void aes_crypt_cbc (aes_context *ctx, int mode, int length, unsigned char iv[16], unsigned char *input, unsigned char *output)

AES-CBC buffer encryption/decryption.

void aes_crypt_cfb (aes_context *ctx, int mode, int length, int *iv_off, unsigned char iv[16], unsigned char *input, unsigned char *output)

AES-CFB buffer encryption/decryption.

int aes_self_test (int verbose)

Checkup routine.

Detailed Description

Definition in file aes.h.

Define Documentation

#define AES_DECRYPT 0

Definition at line 8 of file aes.h.

Referenced by main().

#define AES_ENCRYPT 1

Definition at line 7 of file aes.h.

Referenced by main().

Function Documentation

void aes_crypt_cbc ( aes_context * ctx,

int mode,

int length,

unsigned char iv[16],

unsigned char * input,

unsigned char * output

)

AES-CBC buffer encryption/decryption.

Parameters:: ctx AES context

mode AES_ENCRYPT or AES_DECRYPT

length length of the input data

iv initialization vector (updated after use)

input buffer holding the input data

output buffer holding the output data

Referenced by main().

void aes_crypt_cfb ( aes_context * ctx,

int mode,

int length,

int * iv_off,

unsigned char iv[16],

unsigned char * input,

unsigned char * output

)

AES-CFB buffer encryption/decryption.

Parameters:: ctx AES context

mode AES_ENCRYPT or AES_DECRYPT

length length of the input data

iv_off offset in IV (updated after use)

iv initialization vector (updated after use)

input buffer holding the input data

output buffer holding the output data

void aes_crypt_ecb ( aes_context * ctx,

int mode,

unsigned char input[16],

unsigned char output[16]

)

AES-ECB block encryption/decryption.

Parameters:: ctx AES context

mode AES_ENCRYPT or AES_DECRYPT

input 16-byte input block

output 16-byte output block

Referenced by main().

int aes_self_test ( int verbose )

Checkup routine.

Returns:: 0 if successful, or 1 if the test failed

Referenced by main().

void aes_setkey_dec ( aes_context * ctx,

unsigned char * key,

int keysize

)

AES key schedule (decryption).

Parameters:: ctx AES context to be initialized

key decryption key

keysize must be 128, 192 or 256

Referenced by main().

void aes_setkey_enc ( aes_context * ctx,

unsigned char * key,

int keysize

)

AES key schedule (encryption).

Parameters:: ctx AES context to be initialized

key encryption key

keysize must be 128, 192 or 256

Referenced by main().

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