thirdparty/polarssl/include/polarssl/aes.h File Reference

Data Structures
struct	aes_context
	AES context structure. More...

Macros
#define	AES_DECRYPT   0
#define	AES_ENCRYPT   1
#define	POLARSSL_ERR_AES_INVALID_INPUT_LENGTH   -0x0810
#define	POLARSSL_ERR_AES_INVALID_KEY_LENGTH   -0x0800

Functions
int	aes_crypt_cbc (aes_context *ctx, int mode, int length, unsigned char iv[16], const unsigned char *input, unsigned char *output)
	AES-CBC buffer encryption/decryption Length should be a multiple of the block size (16 bytes) More...
int	aes_crypt_cfb128 (aes_context *ctx, int mode, int length, int *iv_off, unsigned char iv[16], const unsigned char *input, unsigned char *output)
	AES-CFB128 buffer encryption/decryption. More...
int	aes_crypt_ecb (aes_context *ctx, int mode, const unsigned char input[16], unsigned char output[16])
	AES-ECB block encryption/decryption. More...
int	aes_self_test (int verbose)
	Checkup routine. More...
int	aes_setkey_dec (aes_context *ctx, const unsigned char *key, int keysize)
	AES key schedule (decryption) More...
int	aes_setkey_enc (aes_context *ctx, const unsigned char *key, int keysize)
	AES key schedule (encryption) More...

#define AES_DECRYPT   0

#define AES_ENCRYPT   1

Referenced by main().

#define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH   -0x0810

#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH   -0x0800

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

AES-CBC buffer encryption/decryption Length should be a multiple of the block size (16 bytes)

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

Returns

0 if successful, or POLARSSL_ERR_AES_INVALID_INPUT_LENGTH

Referenced by main().

int aes_crypt_cfb128	(	aes_context *	ctx,
		int	mode,
		int	length,
		int *	iv_off,
		unsigned char	iv[16],
		const unsigned char *	input,
		unsigned char *	output
	)

AES-CFB128 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

Returns

0 if successful

int aes_crypt_ecb	(	aes_context *	ctx,
		int	mode,
		const 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

Returns

0 if successful

int aes_self_test

(

int

verbose

)

Checkup routine.

Returns

0 if successful, or 1 if the test failed

Referenced by main().

int aes_setkey_dec	(	aes_context *	ctx,
		const 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

Returns

0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH

int aes_setkey_enc	(	aes_context *	ctx,
		const 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

Returns

0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH

Referenced by main().