258 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			258 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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.
 | |
|  * 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.]
 | |
|  */
 | |
| 
 | |
| #ifndef HEADER_NEW_DES_H
 | |
| # define HEADER_NEW_DES_H
 | |
| 
 | |
| # include <openssl/e_os2.h>     /* OPENSSL_EXTERN, OPENSSL_NO_DES, DES_LONG
 | |
|                                  * (via openssl/opensslconf.h */
 | |
| 
 | |
| # ifdef OPENSSL_NO_DES
 | |
| #  error DES is disabled.
 | |
| # endif
 | |
| 
 | |
| # ifdef OPENSSL_BUILD_SHLIBCRYPTO
 | |
| #  undef OPENSSL_EXTERN
 | |
| #  define OPENSSL_EXTERN OPENSSL_EXPORT
 | |
| # endif
 | |
| 
 | |
| #ifdef  __cplusplus
 | |
| extern "C" {
 | |
| #endif
 | |
| 
 | |
| typedef unsigned char DES_cblock[8];
 | |
| typedef /* const */ unsigned char const_DES_cblock[8];
 | |
| /*
 | |
|  * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and
 | |
|  * const_DES_cblock * are incompatible pointer types.
 | |
|  */
 | |
| 
 | |
| typedef struct DES_ks {
 | |
|     union {
 | |
|         DES_cblock cblock;
 | |
|         /*
 | |
|          * make sure things are correct size on machines with 8 byte longs
 | |
|          */
 | |
|         DES_LONG deslong[2];
 | |
|     } ks[16];
 | |
| } DES_key_schedule;
 | |
| 
 | |
| # ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT
 | |
| #  ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT
 | |
| #   define OPENSSL_ENABLE_OLD_DES_SUPPORT
 | |
| #  endif
 | |
| # endif
 | |
| 
 | |
| # ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT
 | |
| #  include <openssl/des_old.h>
 | |
| # endif
 | |
| 
 | |
| # 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))
 | |
| 
 | |
| OPENSSL_DECLARE_GLOBAL(int, DES_check_key); /* defaults to false */
 | |
| # define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
 | |
| OPENSSL_DECLARE_GLOBAL(int, DES_rw_mode); /* defaults to DES_PCBC_MODE */
 | |
| # define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode)
 | |
| 
 | |
| const char *DES_options(void);
 | |
| void DES_ecb3_encrypt(const_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(const unsigned char *input, DES_cblock *output,
 | |
|                        long length, DES_key_schedule *schedule,
 | |
|                        const_DES_cblock *ivec);
 | |
| /* DES_cbc_encrypt does not update the IV!  Use DES_ncbc_encrypt instead. */
 | |
| void DES_cbc_encrypt(const unsigned char *input, unsigned char *output,
 | |
|                      long length, DES_key_schedule *schedule,
 | |
|                      DES_cblock *ivec, int enc);
 | |
| void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output,
 | |
|                       long length, DES_key_schedule *schedule,
 | |
|                       DES_cblock *ivec, int enc);
 | |
| void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output,
 | |
|                       long length, DES_key_schedule *schedule,
 | |
|                       DES_cblock *ivec, const_DES_cblock *inw,
 | |
|                       const_DES_cblock *outw, int enc);
 | |
| void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
 | |
|                      long length, DES_key_schedule *schedule,
 | |
|                      DES_cblock *ivec, int enc);
 | |
| void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
 | |
|                      DES_key_schedule *ks, int enc);
 | |
| 
 | |
| /*
 | |
|  * This is the DES encryption function that gets called by just about every
 | |
|  * other DES routine in the library.  You should not use this function except
 | |
|  * to implement 'modes' of DES.  I say this because the functions that call
 | |
|  * this routine do the conversion from 'char *' to long, and this needs to be
 | |
|  * done to make sure 'non-aligned' memory access do not occur.  The
 | |
|  * characters are loaded 'little endian'. Data is a pointer to 2 unsigned
 | |
|  * long's and ks is the DES_key_schedule to use.  enc, is non zero specifies
 | |
|  * encryption, zero if decryption.
 | |
|  */
 | |
| void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc);
 | |
| 
 | |
| /*
 | |
|  * This functions is the same as DES_encrypt1() except that the DES initial
 | |
|  * permutation (IP) and final permutation (FP) have been left out.  As for
 | |
|  * DES_encrypt1(), you should not use this function. It is used by the
 | |
|  * routines in the library that implement triple DES. IP() DES_encrypt2()
 | |
|  * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()
 | |
|  * DES_encrypt1() DES_encrypt1() except faster :-).
 | |
|  */
 | |
| 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(const unsigned char *input, unsigned char *output,
 | |
|                           long length,
 | |
|                           DES_key_schedule *ks1, DES_key_schedule *ks2,
 | |
|                           DES_key_schedule *ks3, DES_cblock *ivec, int enc);
 | |
| void DES_ede3_cbcm_encrypt(const unsigned char *in, unsigned char *out,
 | |
|                            long length,
 | |
|                            DES_key_schedule *ks1, DES_key_schedule *ks2,
 | |
|                            DES_key_schedule *ks3,
 | |
|                            DES_cblock *ivec1, DES_cblock *ivec2, int enc);
 | |
| void DES_ede3_cfb64_encrypt(const 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_cfb_encrypt(const unsigned char *in, unsigned char *out,
 | |
|                           int numbits, long length, DES_key_schedule *ks1,
 | |
|                           DES_key_schedule *ks2, DES_key_schedule *ks3,
 | |
|                           DES_cblock *ivec, int enc);
 | |
| void DES_ede3_ofb64_encrypt(const 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);
 | |
| # if 0
 | |
| void DES_xwhite_in2out(const_DES_cblock *DES_key, const_DES_cblock *in_white,
 | |
|                        DES_cblock *out_white);
 | |
| # endif
 | |
| 
 | |
| int DES_enc_read(int fd, void *buf, int len, DES_key_schedule *sched,
 | |
|                  DES_cblock *iv);
 | |
| int DES_enc_write(int fd, const void *buf, int len, DES_key_schedule *sched,
 | |
|                   DES_cblock *iv);
 | |
| char *DES_fcrypt(const char *buf, const char *salt, char *ret);
 | |
| char *DES_crypt(const char *buf, const char *salt);
 | |
| void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
 | |
|                      long length, DES_key_schedule *schedule,
 | |
|                      DES_cblock *ivec);
 | |
| void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
 | |
|                       long length, DES_key_schedule *schedule,
 | |
|                       DES_cblock *ivec, int enc);
 | |
| DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[],
 | |
|                         long length, int out_count, DES_cblock *seed);
 | |
| int DES_random_key(DES_cblock *ret);
 | |
| void DES_set_odd_parity(DES_cblock *key);
 | |
| int DES_check_key_parity(const_DES_cblock *key);
 | |
| int DES_is_weak_key(const_DES_cblock *key);
 | |
| /*
 | |
|  * DES_set_key (= set_key = DES_key_sched = key_sched) calls
 | |
|  * DES_set_key_checked if global variable DES_check_key is set,
 | |
|  * DES_set_key_unchecked otherwise.
 | |
|  */
 | |
| int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule);
 | |
| int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule);
 | |
| int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule);
 | |
| void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule);
 | |
| # ifdef OPENSSL_FIPS
 | |
| void private_DES_set_key_unchecked(const_DES_cblock *key,
 | |
|                                    DES_key_schedule *schedule);
 | |
| # endif
 | |
| void DES_string_to_key(const char *str, DES_cblock *key);
 | |
| void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2);
 | |
| void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
 | |
|                        long length, DES_key_schedule *schedule,
 | |
|                        DES_cblock *ivec, int *num, int enc);
 | |
| void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out,
 | |
|                        long length, DES_key_schedule *schedule,
 | |
|                        DES_cblock *ivec, int *num);
 | |
| 
 | |
| int DES_read_password(DES_cblock *key, const char *prompt, int verify);
 | |
| int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2,
 | |
|                         const char *prompt, int verify);
 | |
| 
 | |
| # define DES_fixup_key_parity DES_set_odd_parity
 | |
| 
 | |
| #ifdef  __cplusplus
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #endif
 | 
