/home/dko/projects/mobilec/trunk/src/security/xyssl-0.7/include/xyssl/des.h File Reference

Go to the source code of this file.

Data Structures
struct	des_context
	DES context structure. More...
struct	des3_context
	Triple-DES context structure. More...
Functions
void	des_set_key (des_context *ctx, unsigned char key[8])
	DES key schedule (56-bit).
void	des_encrypt (des_context *ctx, unsigned char input[8], unsigned char output[8])
	DES block encryption (ECB mode).
void	des_decrypt (des_context *ctx, unsigned char input[8], unsigned char output[8])
	DES block decryption (ECB mode).
void	des_cbc_encrypt (des_context *ctx, unsigned char iv[8], unsigned char *input, unsigned char *output, int len)
	DES-CBC buffer encryption.
void	des_cbc_decrypt (des_context *ctx, unsigned char iv[8], unsigned char *input, unsigned char *output, int len)
	DES-CBC buffer decryption.
void	des3_set_2keys (des3_context *ctx, unsigned char key[16])
	Triple-DES key schedule (112-bit).
void	des3_set_3keys (des3_context *ctx, unsigned char key[24])
	Triple-DES key schedule (168-bit).
void	des3_encrypt (des3_context *ctx, unsigned char input[8], unsigned char output[8])
	Triple-DES block encryption (ECB mode).
void	des3_decrypt (des3_context *ctx, unsigned char input[8], unsigned char output[8])
	Triple-DES block decryption (ECB mode).
void	des3_cbc_encrypt (des3_context *ctx, unsigned char iv[8], unsigned char *input, unsigned char *output, int len)
	3DES-CBC buffer encryption
void	des3_cbc_decrypt (des3_context *ctx, unsigned char iv[8], unsigned char *input, unsigned char *output, int len)
	3DES-CBC buffer decryption
int	des_self_test (int verbose)

---

Detailed Description

Definition in file des.h.

---

Function Documentation

void des3_cbc_decrypt	(	des3_context *	ctx,
		unsigned char	iv[8],
		unsigned char *	input,
		unsigned char *	output,
		int	len
	)

3DES-CBC buffer decryption

Parameters:

	ctx	3DES context
	iv	initialization vector (modified after use)
	input	buffer holding the ciphertext
	output	buffer holding the plaintext
	len	length of the data to be decrypted

Definition at line 611 of file des.c.

References des3_crypt(), and des3_context::dsk.

Referenced by ssl_decrypt_buf(), and x509_des3_decrypt().

void des3_cbc_encrypt	(	des3_context *	ctx,
		unsigned char	iv[8],
		unsigned char *	input,
		unsigned char *	output,
		int	len
	)

3DES-CBC buffer encryption

Parameters:

	ctx	3DES context
	iv	initialization vector (modified after use)
	input	buffer holding the plaintext
	output	buffer holding the ciphertext
	len	length of the data to be encrypted

Definition at line 586 of file des.c.

References des3_crypt(), and des3_context::esk.

Referenced by main(), and ssl_encrypt_buf().

void des3_decrypt	(	des3_context *	ctx,
		unsigned char	input[8],
		unsigned char	output[8]
	)

Triple-DES block decryption (ECB mode).

Parameters:

	ctx	3DES context
	input	ciphertext block
	output	plaintext block

Definition at line 576 of file des.c.

References des3_crypt(), and des3_context::dsk.

void des3_encrypt	(	des3_context *	ctx,
		unsigned char	input[8],
		unsigned char	output[8]
	)

Triple-DES block encryption (ECB mode).

Parameters:

	ctx	3DES context
	input	plaintext block
	output	ciphertext block

Definition at line 566 of file des.c.

References des3_crypt(), and des3_context::esk.

void des3_set_2keys	(	des3_context *	ctx,
		unsigned char	key[16]
	)

Triple-DES key schedule (112-bit).

Parameters:

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

Definition at line 472 of file des.c.

References des_main_ks(), des3_context::dsk, and des3_context::esk.

void des3_set_3keys	(	des3_context *	ctx,
		unsigned char	key[24]
	)

Triple-DES key schedule (168-bit).

Parameters:

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

Definition at line 498 of file des.c.

References des_main_ks(), des3_context::dsk, and des3_context::esk.

Referenced by main(), ssl_derive_keys(), and x509_des3_decrypt().

void des_cbc_decrypt	(	des_context *	ctx,
		unsigned char	iv[8],
		unsigned char *	input,
		unsigned char *	output,
		int	len
	)

DES-CBC buffer decryption.

Parameters:

	ctx	DES context
	iv	initialization vector (modified after use)
	input	buffer holding the ciphertext
	output	buffer holding the plaintext
	len	length of the data to be decrypted

Definition at line 444 of file des.c.

References des_crypt(), and des_context::dsk.

void des_cbc_encrypt	(	des_context *	ctx,
		unsigned char	iv[8],
		unsigned char *	input,
		unsigned char *	output,
		int	len
	)

DES-CBC buffer encryption.

Parameters:

	ctx	DES context
	iv	initialization vector (modified after use)
	input	buffer holding the plaintext
	output	buffer holding the ciphertext
	len	length of the data to be encrypted

Definition at line 419 of file des.c.

References des_crypt(), and des_context::esk.

Referenced by main().

void des_decrypt	(	des_context *	ctx,
		unsigned char	input[8],
		unsigned char	output[8]
	)

DES block decryption (ECB mode).

Parameters:

	ctx	DES context
	input	ciphertext block
	output	plaintext block

Definition at line 409 of file des.c.

References des_crypt(), and des_context::dsk.

void des_encrypt	(	des_context *	ctx,
		unsigned char	input[8],
		unsigned char	output[8]
	)

DES block encryption (ECB mode).

Parameters:

	ctx	DES context
	input	plaintext block
	output	ciphertext block

Definition at line 399 of file des.c.

References des_crypt(), and des_context::esk.

int des_self_test

(

int

verbose

)

Definition at line 733 of file des.c.

Referenced by main().

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

DES key schedule (56-bit).

Parameters:

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

Definition at line 357 of file des.c.

References des_main_ks(), des_context::dsk, and des_context::esk.

Referenced by main().

---