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

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Data Structures
struct	des_context
	DES context structure. More...
struct	des3_context
	Triple-DES context structure. More...
Defines
#define	DES_ENCRYPT   1
#define	DES_DECRYPT   0
Functions
void	des_setkey_enc (des_context *ctx, unsigned char key[8])
	DES key schedule (56-bit, encryption).
void	des_setkey_dec (des_context *ctx, unsigned char key[8])
	DES key schedule (56-bit, decryption).
void	des3_set2key_enc (des3_context *ctx, unsigned char key[16])
	Triple-DES key schedule (112-bit, encryption).
void	des3_set2key_dec (des3_context *ctx, unsigned char key[16])
	Triple-DES key schedule (112-bit, decryption).
void	des3_set3key_enc (des3_context *ctx, unsigned char key[24])
	Triple-DES key schedule (168-bit, encryption).
void	des3_set3key_dec (des3_context *ctx, unsigned char key[24])
	Triple-DES key schedule (168-bit, decryption).
void	des_crypt_ecb (des_context *ctx, unsigned char input[8], unsigned char output[8])
	DES-ECB block encryption/decryption.
void	des_crypt_cbc (des_context *ctx, int mode, int length, unsigned char iv[8], unsigned char *input, unsigned char *output)
	DES-CBC buffer encryption/decryption.
void	des3_crypt_ecb (des3_context *ctx, unsigned char input[8], unsigned char output[8])
	3DES-ECB block encryption/decryption
void	des3_crypt_cbc (des3_context *ctx, int mode, int length, unsigned char iv[8], unsigned char *input, unsigned char *output)
	3DES-CBC buffer encryption/decryption
int	des_self_test (int verbose)

---

Detailed Description

Definition in file des.h.

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Define Documentation

#define DES_DECRYPT   0

Definition at line 8 of file des.h.

#define DES_ENCRYPT   1

Definition at line 7 of file des.h.

Referenced by main().

---

Function Documentation

void des3_crypt_cbc	(	des3_context *	ctx,
		int	mode,
		int	length,
		unsigned char	iv[8],
		unsigned char *	input,
		unsigned char *	output
	)

3DES-CBC buffer encryption/decryption

Parameters:

	ctx	3DES context
	mode	DES_ENCRYPT or DES_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 des3_crypt_ecb	(	des3_context *	ctx,
		unsigned char	input[8],
		unsigned char	output[8]
	)

3DES-ECB block encryption/decryption

Parameters:

	ctx	3DES context
	input	64-bit input block
	output	64-bit output block

void des3_set2key_dec	(	des3_context *	ctx,
		unsigned char	key[16]
	)

Triple-DES key schedule (112-bit, decryption).

Parameters:

	ctx	3DES context to be initialized
	key	16-byte secret key

void des3_set2key_enc	(	des3_context *	ctx,
		unsigned char	key[16]
	)

Triple-DES key schedule (112-bit, encryption).

Parameters:

	ctx	3DES context to be initialized
	key	16-byte secret key

void des3_set3key_dec	(	des3_context *	ctx,
		unsigned char	key[24]
	)

Triple-DES key schedule (168-bit, decryption).

Parameters:

	ctx	3DES context to be initialized
	key	24-byte secret key

void des3_set3key_enc	(	des3_context *	ctx,
		unsigned char	key[24]
	)

Triple-DES key schedule (168-bit, encryption).

Parameters:

	ctx	3DES context to be initialized
	key	24-byte secret key

Referenced by main().

void des_crypt_cbc	(	des_context *	ctx,
		int	mode,
		int	length,
		unsigned char	iv[8],
		unsigned char *	input,
		unsigned char *	output
	)

DES-CBC buffer encryption/decryption.

Parameters:

	ctx	DES context
	mode	DES_ENCRYPT or DES_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 des_crypt_ecb	(	des_context *	ctx,
		unsigned char	input[8],
		unsigned char	output[8]
	)

DES-ECB block encryption/decryption.

Parameters:

	ctx	DES context
	input	64-bit input block
	output	64-bit output block

int des_self_test

(

int

verbose

)

Referenced by main().

void des_setkey_dec	(	des_context *	ctx,
		unsigned char	key[8]
	)

DES key schedule (56-bit, decryption).

Parameters:

	ctx	DES context to be initialized
	key	8-byte secret key

void des_setkey_enc	(	des_context *	ctx,
		unsigned char	key[8]
	)

DES key schedule (56-bit, encryption).

Parameters:

	ctx	DES context to be initialized
	key	8-byte secret key

Referenced by main().