/home/dko/Projects/mobilec/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)

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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.

Referenced by des_self_test(), ssl_decrypt_buf(), and x509_des3_decrypt().

#define DES_ENCRYPT   1

Definition at line 7 of file des.h.

Referenced by des3_crypt_cbc(), des_crypt_cbc(), main(), and ssl_encrypt_buf().

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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

Definition at line 593 of file des.c.

References des3_crypt_ecb(), and DES_ENCRYPT.

Referenced by des_self_test(), main(), ssl_decrypt_buf(), ssl_encrypt_buf(), and x509_des3_decrypt().

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

Definition at line 552 of file des.c.

References DES_FP, DES_IP, DES_ROUND, GET_ULONG_BE, PUT_ULONG_BE, and des3_context::sk.

Referenced by des3_crypt_cbc(), and des_self_test().

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

Definition at line 420 of file des.c.

References des3_set2key(), and des3_context::sk.

Referenced by des_self_test().

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

Definition at line 409 of file des.c.

References des3_set2key(), and des3_context::sk.

Referenced by des_self_test().

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

Definition at line 465 of file des.c.

References des3_set3key(), and des3_context::sk.

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

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

Definition at line 454 of file des.c.

References des3_set3key(), and des3_context::sk.

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

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

Definition at line 505 of file des.c.

References des_crypt_ecb(), and DES_ENCRYPT.

Referenced by des_self_test(), and 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

Definition at line 476 of file des.c.

References DES_FP, DES_IP, DES_ROUND, GET_ULONG_BE, PUT_ULONG_BE, and des_context::sk.

Referenced by des_crypt_cbc(), and des_self_test().

int des_self_test

(

int

verbose

)

Definition at line 694 of file des.c.

References buf, des3_crypt_cbc(), des3_crypt_ecb(), des3_set2key_dec(), des3_set2key_enc(), des3_set3key_dec(), des3_set3key_enc(), des3_test_buf, des3_test_cbc_dec, des3_test_cbc_enc, des3_test_ecb_dec, des3_test_ecb_enc, des3_test_iv, des3_test_keys, des_crypt_cbc(), des_crypt_ecb(), DES_DECRYPT, des_setkey_dec(), des_setkey_enc(), and prv.

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

Definition at line 368 of file des.c.

References des_setkey(), des_context::sk, and SWAP.

Referenced by des_self_test().

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

Definition at line 360 of file des.c.

References des_setkey(), and des_context::sk.

Referenced by des_self_test(), and main().