www.pudn.com > truecrypt.zip > DES.H


/* crypto/des/des.org */ 
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) 
 * All rights reserved. 
 * 
 * This package is an SSL implementation written 
 * by Eric Young (eay@cryptsoft.com). 
 * The implementation was written so as to conform with Netscapes SSL. 
 *  
 * This library is free for commercial and non-commercial use as long as 
 * the following conditions are aheared to.  The following conditions 
 * apply to all code found in this distribution, be it the RC4, RSA, 
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation 
 * included with this distribution is covered by the same copyright terms 
 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 
 *  
 * Copyright remains Eric Young's, and as such any Copyright notices in 
 * the code are not to be removed. 
 * If this package is used in a product, Eric Young should be given attribution 
 * as the author of the parts of the library used. 
 * This can be in the form of a textual message at program startup or 
 * in documentation (online or textual) provided with the package. 
 *  
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 1. Redistributions of source code must retain the copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. All advertising materials mentioning features or use of this software 
 *    must display the following acknowledgement: 
 *    "This product includes cryptographic software written by 
 *     Eric Young (eay@cryptsoft.com)" 
 *    The word 'cryptographic' can be left out if the rouines from the library 
 *    being used are not cryptographic related :-). 
 * 4. If you include any Windows specific code (or a derivative thereof) from  
 *    the apps directory (application code) you must include an acknowledgement: 
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 
 *  
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 *  
 * The licence and distribution terms for any publically available version or 
 * derivative of this code cannot be changed.  i.e. this code cannot simply be 
 * copied and put under another distribution licence 
 * [including the GNU Public Licence.] 
 */ 
 
/* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING  
 * 
 * Always modify des.org since des.h is automatically generated from 
 * it during SSLeay configuration. 
 * 
 * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING 
 */ 
 
#ifndef HEADER_DES_H 
#define HEADER_DES_H 
 
#ifdef  __cplusplus 
extern "C" { 
#endif 
 
#include  
 
/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a 
 * %20 speed up (longs are 8 bytes, int's are 4). */ 
#ifndef DES_LONG 
#define DES_LONG unsigned long 
#endif 
 
typedef unsigned char des_cblock[8]; 
typedef struct des_ks_struct 
	{ 
	union	{ 
		des_cblock _; 
		/* make sure things are correct size on machines with 
		 * 8 byte longs */ 
		DES_LONG pad[2]; 
		} ks; 
#undef _ 
#define _	ks._ 
	} des_key_schedule[16]; 
 
#define DES_KEY_SZ 	(sizeof(des_cblock)) 
#define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) 
 
#define DES_ENCRYPT	1 
#define DES_DECRYPT	0 
 
#define DES_CBC_MODE	0 
#define DES_PCBC_MODE	1 
 
#define des_ecb2_encrypt(i,o,k1,k2,e) \ 
	des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) 
 
#define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ 
	des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) 
 
#define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ 
	des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) 
 
#define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ 
	des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) 
 
#define C_Block des_cblock 
#define Key_schedule des_key_schedule 
#ifdef KERBEROS 
#define ENCRYPT DES_ENCRYPT 
#define DECRYPT DES_DECRYPT 
#endif 
#define KEY_SZ DES_KEY_SZ 
#define string_to_key des_string_to_key 
#define read_pw_string des_read_pw_string 
#define random_key des_random_key 
#define pcbc_encrypt des_pcbc_encrypt 
#define set_key des_set_key 
#define key_sched des_key_sched 
#define ecb_encrypt des_ecb_encrypt 
#define cbc_encrypt des_cbc_encrypt 
#define ncbc_encrypt des_ncbc_encrypt 
#define xcbc_encrypt des_xcbc_encrypt 
#define cbc_cksum des_cbc_cksum 
#define quad_cksum des_quad_cksum 
 
/* For compatibility with the MIT lib - eay 20/05/92 */ 
typedef des_key_schedule bit_64; 
#define des_fixup_key_parity des_set_odd_parity 
#define des_check_key_parity check_parity 
 
extern int des_check_key;	/* defaults to false */ 
extern int des_rw_mode;		/* defaults to DES_PCBC_MODE */ 
 
/* The next line is used to disable full ANSI prototypes, if your 
 * compiler has problems with the prototypes, make sure this line always 
 * evaluates to true :-) */ 
#if defined(MSDOS) || defined(__STDC__) 
#undef NOPROTO 
#endif 
#ifndef NOPROTO 
char *des_options(void); 
void _cdecl des_ecb3_encrypt(des_cblock *input,des_cblock *output, 
	des_key_schedule ks1,des_key_schedule ks2, 
	des_key_schedule ks3, int enc); 
DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output, 
	long length,des_key_schedule schedule,des_cblock *ivec); 
void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length, 
	des_key_schedule schedule,des_cblock *ivec,int enc); 
void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length, 
	des_key_schedule schedule,des_cblock *ivec,int enc); 
void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length, 
	des_key_schedule schedule,des_cblock *ivec, 
	des_cblock *inw,des_cblock *outw,int enc); 
void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits, 
	long length,des_key_schedule schedule,des_cblock *ivec,int enc); 
void des_ecb_encrypt(des_cblock *input,des_cblock *output, 
	des_key_schedule ks,int enc); 
void _cdecl des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); 
void _cdecl des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); 
void _cdecl des_encrypt3(DES_LONG *data, des_key_schedule ks1, 
	des_key_schedule ks2, des_key_schedule ks3); 
void _cdecl des_decrypt3(DES_LONG *data, des_key_schedule ks1, 
	des_key_schedule ks2, des_key_schedule ks3); 
void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,  
	long length, des_key_schedule ks1, des_key_schedule ks2,  
	des_key_schedule ks3, des_cblock *ivec, int enc); 
void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out, 
	long length, des_key_schedule ks1, des_key_schedule ks2, 
	des_key_schedule ks3, des_cblock *ivec, int *num, int enc); 
void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out, 
	long length, des_key_schedule ks1, des_key_schedule ks2, 
	des_key_schedule ks3, des_cblock *ivec, int *num); 
 
void des_xwhite_in2out(des_cblock (*des_key), des_cblock (*in_white), 
	des_cblock (*out_white)); 
 
int des_enc_read(int fd,char *buf,int len,des_key_schedule sched, 
	des_cblock *iv); 
int des_enc_write(int fd,char *buf,int len,des_key_schedule sched, 
	des_cblock *iv); 
char *des_fcrypt(const char *buf,const char *salt, char *ret); 
#ifdef PERL5 
char *des_crypt(const char *buf,const char *salt); 
#else 
/* some stupid compilers complain because I have declared char instead 
 * of const char */ 
#ifdef HEADER_DES_LOCL_H 
char *crypt(const char *buf,const char *salt); 
#else 
char *crypt(); 
#endif 
#endif 
void des_ofb_encrypt(unsigned char *in,unsigned char *out, 
	int numbits,long length,des_key_schedule schedule,des_cblock *ivec); 
void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length, 
	des_key_schedule schedule,des_cblock *ivec,int enc); 
DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output, 
	long length,int out_count,des_cblock *seed); 
void des_random_seed(des_cblock key); 
void des_random_key(des_cblock ret); 
int des_read_password(des_cblock *key,char *prompt,int verify); 
int des_read_2passwords(des_cblock *key1,des_cblock *key2, 
	char *prompt,int verify); 
int des_read_pw_string(char *buf,int length,char *prompt,int verify); 
void des_set_odd_parity(des_cblock *key); 
int des_is_weak_key(des_cblock *key); 
int des_set_key(des_cblock *key,des_key_schedule schedule); 
int _cdecl des_key_sched(des_cblock *key,des_key_schedule schedule); 
void des_string_to_key(char *str,des_cblock *key); 
void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2); 
void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length, 
	des_key_schedule schedule, des_cblock *ivec, int *num, int enc); 
void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length, 
	des_key_schedule schedule, des_cblock *ivec, int *num); 
int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify); 
 
/* Extra functions from Mark Murray  */ 
void des_cblock_print_file(des_cblock *cb, FILE *fp); 
/* The following functions are not in the normal unix build or the 
 * SSLeay build.  When using the SSLeay build, use RAND_seed() 
 * and RAND_bytes() instead. */ 
int des_new_random_key(des_cblock *key); 
void des_init_random_number_generator(des_cblock *key); 
void des_set_random_generator_seed(des_cblock *key); 
void des_set_sequence_number(des_cblock new_sequence_number); 
void des_generate_random_block(des_cblock *block); 
 
#else 
 
char *des_options(); 
void des_ecb3_encrypt(); 
DES_LONG des_cbc_cksum(); 
void des_cbc_encrypt(); 
void des_ncbc_encrypt(); 
void des_xcbc_encrypt(); 
void des_cfb_encrypt(); 
void des_ede3_cfb64_encrypt(); 
void des_ede3_ofb64_encrypt(); 
void des_ecb_encrypt(); 
void _cdecl des_encrypt(); 
void _cdecl des_encrypt2(); 
void _cdecl des_encrypt3(); 
void _cdecl des_decrypt3(); 
void des_ede3_cbc_encrypt(); 
int des_enc_read(); 
int des_enc_write(); 
char *des_fcrypt(); 
#ifdef PERL5 
char *des_crypt(); 
#else 
char *crypt(); 
#endif 
void des_ofb_encrypt(); 
void des_pcbc_encrypt(); 
DES_LONG des_quad_cksum(); 
void des_random_seed(); 
void des_random_key(); 
int des_read_password(); 
int des_read_2passwords(); 
int des_read_pw_string(); 
void des_set_odd_parity(); 
int des_is_weak_key(); 
int des_set_key(); 
int des_key_sched(); 
void des_string_to_key(); 
void des_string_to_2keys(); 
void des_cfb64_encrypt(); 
void des_ofb64_encrypt(); 
int des_read_pw(); 
void des_xwhite_in2out(); 
 
/* Extra functions from Mark Murray  */ 
void des_cblock_print_file(); 
/* The following functions are not in the normal unix build or the 
 * SSLeay build.  When using the SSLeay build, use RAND_seed() 
 * and RAND_bytes() instead. */ 
#ifdef FreeBSD 
int des_new_random_key(); 
void des_init_random_number_generator(); 
void des_set_random_generator_seed(); 
void des_set_sequence_number(); 
void des_generate_random_block(); 
#endif 
 
#endif 
 
#ifdef  __cplusplus 
} 
#endif 
 
#endif