275 lines
9.9 KiB
C
275 lines
9.9 KiB
C
/* lib/des/des.h */
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/* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
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* All rights reserved.
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*
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* This file is part of an SSL implementation written
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* by Eric Young (eay@mincom.oz.au).
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* The implementation was written so as to conform with Netscapes SSL
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* specification. This library and applications are
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* FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
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* as long as the following conditions are aheared to.
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed. If this code is used in a product,
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* Eric Young should be given attribution as the author of the parts used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Eric Young (eay@mincom.oz.au)
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_DES_H
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#define HEADER_DES_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
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* %20 speed up (longs are 8 bytes, int's are 4). */
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#ifndef DES_LONG
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#define DES_LONG unsigned long
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#endif
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typedef unsigned char des_cblock[8];
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typedef struct des_ks_struct
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{
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union {
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des_cblock _;
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/* make sure things are correct size on machines with
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* 8 byte longs */
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DES_LONG pad[2];
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} ks;
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#undef _
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#define _ ks._
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} des_key_schedule[16];
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#define DES_KEY_SZ (sizeof(des_cblock))
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#define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
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#define DES_ENCRYPT 1
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#define DES_DECRYPT 0
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#define DES_CBC_MODE 0
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#define DES_PCBC_MODE 1
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#define des_ecb2_encrypt(i,o,k1,k2,e) \
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des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
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#define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
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des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
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#define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
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des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
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#define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
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des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
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#define C_Block des_cblock
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#define Key_schedule des_key_schedule
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#ifdef KERBEROS
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#define ENCRYPT DES_ENCRYPT
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#define DECRYPT DES_DECRYPT
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#endif
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#define KEY_SZ DES_KEY_SZ
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#define string_to_key des_string_to_key
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#define read_pw_string des_read_pw_string
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#define random_key des_random_key
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#define pcbc_encrypt des_pcbc_encrypt
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#define set_key des_set_key
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#define key_sched des_key_sched
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#define ecb_encrypt des_ecb_encrypt
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#define cbc_encrypt des_cbc_encrypt
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#define ncbc_encrypt des_ncbc_encrypt
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#define xcbc_encrypt des_xcbc_encrypt
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#define cbc_cksum des_cbc_cksum
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#define quad_cksum des_quad_cksum
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/* For compatibility with the MIT lib - eay 20/05/92 */
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typedef des_key_schedule bit_64;
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#define des_fixup_key_parity des_set_odd_parity
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#define des_check_key_parity check_parity
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extern int des_check_key; /* defaults to false */
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extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
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/* The next line is used to disable full ANSI prototypes, if your
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* compiler has problems with the prototypes, make sure this line always
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* evaluates to true :-) */
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#if defined(MSDOS) || defined(__STDC__)
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#undef NOPROTO
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#endif
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#ifndef NOPROTO
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char *des_options(void);
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void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
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des_key_schedule ks1,des_key_schedule ks2,
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des_key_schedule ks3, int enc);
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DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
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long length,des_key_schedule schedule,des_cblock *ivec);
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void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
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des_key_schedule schedule,des_cblock *ivec,int enc);
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void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
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des_key_schedule schedule,des_cblock *ivec,int enc);
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void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
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des_key_schedule schedule,des_cblock *ivec,
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des_cblock *inw,des_cblock *outw,int enc);
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void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
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des_key_schedule sk1,des_key_schedule sk2,
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des_cblock *ivec1,des_cblock *ivec2,int enc);
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void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
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long length,des_key_schedule schedule,des_cblock *ivec,int enc);
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void des_ecb_encrypt(des_cblock *input,des_cblock *output,
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des_key_schedule ks,int enc);
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void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
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void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
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void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
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long length, des_key_schedule ks1, des_key_schedule ks2,
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des_key_schedule ks3, des_cblock *ivec, int enc);
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void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
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long length, des_key_schedule ks1, des_key_schedule ks2,
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des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
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void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
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long length, des_key_schedule ks1, des_key_schedule ks2,
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des_key_schedule ks3, des_cblock *ivec, int *num);
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int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
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des_cblock *iv);
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int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
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des_cblock *iv);
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#if 0
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#ifdef PERL5
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char *des_crypt(const char *buf,const char *salt);
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#else
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/* some stupid compilers complain because I have declared char instead
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* of const char */
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#ifdef HEADER_DES_LOCL_H
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char *crypt(const char *buf,const char *salt);
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#else
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char *crypt();
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#endif
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#endif
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#endif
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void des_ofb_encrypt(unsigned char *in,unsigned char *out,
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int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
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void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
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des_key_schedule schedule,des_cblock *ivec,int enc);
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DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
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long length,int out_count,des_cblock *seed);
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void des_random_seed(des_cblock key);
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void des_random_key(des_cblock ret);
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int des_read_password(des_cblock *key,char *prompt,int verify);
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int des_read_2passwords(des_cblock *key1,des_cblock *key2,
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char *prompt,int verify);
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int des_read_pw_string(char *buf,int length,char *prompt,int verify);
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void des_set_odd_parity(des_cblock *key);
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int des_is_weak_key(des_cblock *key);
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int des_set_key(des_cblock *key,des_key_schedule schedule);
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int des_key_sched(des_cblock *key,des_key_schedule schedule);
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void des_string_to_key(char *str,des_cblock *key);
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void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
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void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
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des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
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void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
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des_key_schedule schedule, des_cblock *ivec, int *num);
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/* Extra functions from Mark Murray <mark@grondar.za> */
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void des_cblock_print_file(des_cblock *cb, FILE *fp);
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/* The following functions are not in the normal unix build or the
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* SSLeay build. When using the SSLeay build, use RAND_seed()
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* and RAND_bytes() instead. */
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int des_new_random_key(des_cblock *key);
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void des_init_random_number_generator(des_cblock *key);
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void des_set_random_generator_seed(des_cblock *key);
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void des_set_sequence_number(des_cblock new_sequence_number);
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void des_generate_random_block(des_cblock *block);
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#else
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char *des_options();
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void des_ecb3_encrypt();
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DES_LONG des_cbc_cksum();
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void des_cbc_encrypt();
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void des_ncbc_encrypt();
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void des_xcbc_encrypt();
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void des_3cbc_encrypt();
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void des_cfb_encrypt();
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void des_ede3_cfb64_encrypt();
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void des_ede3_ofb64_encrypt();
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void des_ecb_encrypt();
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void des_encrypt();
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void des_encrypt2();
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void des_ede3_cbc_encrypt();
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int des_enc_read();
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int des_enc_write();
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#if 0
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#ifdef PERL5
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char *des_crypt();
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#else
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char *crypt();
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#endif
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#endif
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void des_ofb_encrypt();
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void des_pcbc_encrypt();
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DES_LONG des_quad_cksum();
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void des_random_seed();
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void des_random_key();
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int des_read_password();
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int des_read_2passwords();
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int des_read_pw_string();
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void des_set_odd_parity();
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int des_is_weak_key();
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int des_set_key();
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int des_key_sched();
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void des_string_to_key();
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void des_string_to_2keys();
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void des_cfb64_encrypt();
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void des_ofb64_encrypt();
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/* Extra functions from Mark Murray <mark@grondar.za> */
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void des_cblock_print_file();
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/* The following functions are not in the normal unix build or the
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* SSLeay build. When using the SSLeay build, use RAND_seed()
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* and RAND_bytes() instead. */
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int des_new_random_key();
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void des_init_random_number_generator();
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void des_set_random_generator_seed();
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void des_set_sequence_number();
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void des_generate_random_block();
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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