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/* $OpenBSD: des.h,v 1.3 1997/02/24 14:06:51 niklas Exp $ */
/* lib/des/des.h */
/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au)
* All rights reserved.
*
* This file is part of an SSL implementation written
* by Eric Young (eay@mincom.oz.au).
* The implementation was written so as to conform with Netscapes SSL
* specification. This library and applications are
* FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
* as long as the following conditions are aheared to.
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed. If this code is used in a product,
* Eric Young should be given attribution as the author of the parts 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 software developed by Eric Young (eay@mincom.oz.au)
*
* 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.]
*/
#ifndef HEADER_DES_H
#define HEADER_DES_H
#ifndef _KERNEL
#include <stdio.h>
#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 */
unsigned 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
#define ENCRYPT DES_ENCRYPT
#define DECRYPT DES_DECRYPT
#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 cbc_cksum des_cbc_cksum
#define quad_cksum des_quad_cksum
/* For compatibility with the MIT lib - eay 20/05/92 */
typedef struct 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 PROTO
#define PROTO
#endif
#ifdef PROTO
void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
des_key_schedule ks1,des_key_schedule ks2,
des_key_schedule ks3, int enc);
unsigned 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_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
des_key_schedule sk1,des_key_schedule sk2,
des_cblock *ivec1,des_cblock *ivec2,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 des_encrypt(unsigned long *data,des_key_schedule ks, int enc);
void des_encrypt2(unsigned long *data,des_key_schedule ks, int enc);
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 encrypt);
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);
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);
#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);
unsigned 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 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);
/*
* Extra functions from Mark Murray <mark@grondar.za>
* 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
void des_ecb3_encrypt();
unsigned long des_cbc_cksum();
void des_cbc_encrypt();
void des_ncbc_encrypt();
void des_3cbc_encrypt();
void des_cfb_encrypt();
void des_ede3_cfb64_encrypt();
void des_ede3_ofb64_encrypt();
void des_ecb_encrypt();
void des_encrypt();
void des_encrypt2();
void des_ede3_cbc_encrypt();
int des_enc_read();
int des_enc_write();
#ifdef PERL5
char *des_crypt();
#else
char *crypt();
#endif
void des_ofb_encrypt();
void des_pcbc_encrypt();
unsigned 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();
/*
* Extra functions from Mark Murray <mark@grondar.za>
* 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();
void des_init_random_number_generator();
void des_set_random_generator_seed();
void des_set_sequence_number();
void des_generate_random_block();
#endif
#endif
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