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249 lines
11 KiB
C
249 lines
11 KiB
C
/* crypto/des/des.h */
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/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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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.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library 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 cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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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_NEW_DES_H
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#define HEADER_NEW_DES_H
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#include <openssl/e_os2.h> /* OPENSSL_EXTERN, OPENSSL_NO_DES,
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DES_LONG (via openssl/opensslconf.h */
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#ifdef OPENSSL_NO_DES
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#error DES is disabled.
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#endif
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#ifdef OPENSSL_BUILD_SHLIBCRYPTO
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# undef OPENSSL_EXTERN
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# define OPENSSL_EXTERN OPENSSL_EXPORT
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned char DES_cblock[8];
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typedef /* const */ unsigned char const_DES_cblock[8];
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/* With "const", gcc 2.8.1 on Solaris thinks that DES_cblock *
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* and const_DES_cblock * are incompatible pointer types. */
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typedef struct DES_ks
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{
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union
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{
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DES_cblock 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 deslong[2];
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} ks[16];
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} DES_key_schedule;
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#ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT
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# ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT
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# define OPENSSL_ENABLE_OLD_DES_SUPPORT
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# endif
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#endif
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#ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT
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# include <openssl/des_old.h>
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#endif
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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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OPENSSL_DECLARE_GLOBAL(int,DES_check_key); /* defaults to false */
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#define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
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OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode); /* defaults to DES_PCBC_MODE */
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#define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode)
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const char *DES_options(void);
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void DES_ecb3_encrypt(const_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(const unsigned char *input,DES_cblock *output,
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long length,DES_key_schedule *schedule,
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const_DES_cblock *ivec);
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/* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
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void DES_cbc_encrypt(const unsigned char *input,unsigned char *output,
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long length,DES_key_schedule *schedule,DES_cblock *ivec,
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int enc);
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void DES_ncbc_encrypt(const unsigned char *input,unsigned char *output,
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long length,DES_key_schedule *schedule,DES_cblock *ivec,
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int enc);
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void DES_xcbc_encrypt(const unsigned char *input,unsigned char *output,
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long length,DES_key_schedule *schedule,DES_cblock *ivec,
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const_DES_cblock *inw,const_DES_cblock *outw,int enc);
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void DES_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
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long length,DES_key_schedule *schedule,DES_cblock *ivec,
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int enc);
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void DES_ecb_encrypt(const_DES_cblock *input,DES_cblock *output,
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DES_key_schedule *ks,int enc);
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/* This is the DES encryption function that gets called by just about
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every other DES routine in the library. You should not use this
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function except to implement 'modes' of DES. I say this because the
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functions that call this routine do the conversion from 'char *' to
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long, and this needs to be done to make sure 'non-aligned' memory
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access do not occur. The characters are loaded 'little endian'.
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Data is a pointer to 2 unsigned long's and ks is the
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DES_key_schedule to use. enc, is non zero specifies encryption,
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zero if decryption. */
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void DES_encrypt1(DES_LONG *data,DES_key_schedule *ks, int enc);
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/* This functions is the same as DES_encrypt1() except that the DES
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initial permutation (IP) and final permutation (FP) have been left
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out. As for DES_encrypt1(), you should not use this function.
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It is used by the routines in the library that implement triple DES.
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IP() DES_encrypt2() DES_encrypt2() DES_encrypt2() FP() is the same
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as DES_encrypt1() DES_encrypt1() DES_encrypt1() except faster :-). */
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void DES_encrypt2(DES_LONG *data,DES_key_schedule *ks, int enc);
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void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3);
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void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3);
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void DES_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output,
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long length,
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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_cbcm_encrypt(const unsigned char *in,unsigned char *out,
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long length,
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DES_key_schedule *ks1,DES_key_schedule *ks2,
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DES_key_schedule *ks3,
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DES_cblock *ivec1,DES_cblock *ivec2,
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int enc);
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void DES_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
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long length,DES_key_schedule *ks1,
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DES_key_schedule *ks2,DES_key_schedule *ks3,
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DES_cblock *ivec,int *num,int enc);
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void DES_ede3_cfb_encrypt(const unsigned char *in,unsigned char *out,
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int numbits,long length,DES_key_schedule *ks1,
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DES_key_schedule *ks2,DES_key_schedule *ks3,
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DES_cblock *ivec,int enc);
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void DES_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
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long length,DES_key_schedule *ks1,
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DES_key_schedule *ks2,DES_key_schedule *ks3,
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DES_cblock *ivec,int *num);
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#if 0
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void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white,
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DES_cblock *out_white);
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#endif
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int DES_enc_read(int fd,void *buf,int len,DES_key_schedule *sched,
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DES_cblock *iv);
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int DES_enc_write(int fd,const void *buf,int len,DES_key_schedule *sched,
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DES_cblock *iv);
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char *DES_fcrypt(const char *buf,const char *salt, char *ret);
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char *DES_crypt(const char *buf,const char *salt);
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void DES_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
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long length,DES_key_schedule *schedule,DES_cblock *ivec);
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void DES_pcbc_encrypt(const unsigned char *input,unsigned char *output,
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long length,DES_key_schedule *schedule,DES_cblock *ivec,
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int enc);
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DES_LONG DES_quad_cksum(const unsigned char *input,DES_cblock output[],
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long length,int out_count,DES_cblock *seed);
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int DES_random_key(DES_cblock *ret);
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void DES_set_odd_parity(DES_cblock *key);
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int DES_check_key_parity(const_DES_cblock *key);
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int DES_is_weak_key(const_DES_cblock *key);
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/* DES_set_key (= set_key = DES_key_sched = key_sched) calls
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* DES_set_key_checked if global variable DES_check_key is set,
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* DES_set_key_unchecked otherwise. */
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int DES_set_key(const_DES_cblock *key,DES_key_schedule *schedule);
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int DES_key_sched(const_DES_cblock *key,DES_key_schedule *schedule);
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int DES_set_key_checked(const_DES_cblock *key,DES_key_schedule *schedule);
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void DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule);
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#ifdef OPENSSL_FIPS
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void private_DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule);
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#endif
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void DES_string_to_key(const char *str,DES_cblock *key);
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void DES_string_to_2keys(const char *str,DES_cblock *key1,DES_cblock *key2);
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void DES_cfb64_encrypt(const 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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int enc);
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void DES_ofb64_encrypt(const 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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int DES_read_password(DES_cblock *key, const char *prompt, int verify);
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int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, const char *prompt,
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int verify);
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#define DES_fixup_key_parity DES_set_odd_parity
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#ifdef __cplusplus
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}
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#endif
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#endif
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