freebsd-dev/crypto/libdes/des.org

* crypto/des/des.h * /* 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.
• 1. 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.
• 1. 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 :-).
• 1. 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.]
• $FreeBSD$

*/

#ifndef HEADER_DES_H #define HEADER_DES_H

#ifdef __cplusplus extern "C" { #endif

#include <stdio.h>

/* 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 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_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(DES_LONG *data,des_key_schedule ks, int enc); void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); void des_encrypt3(DES_LONG *data, des_key_schedule ks1, des_key_schedule ks2, des_key_schedule ks3); void 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 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); 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 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> * 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_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_encrypt3(); void 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();

* Extra functions from Mark Murray <mark@grondar.za> * 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