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123 lines
4.3 KiB
C
123 lines
4.3 KiB
C
/* crypto/des/ecb_enc.c */
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/* Copyright (C) 1995-1998 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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#include "des_locl.h"
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#include "des_ver.h"
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#include <openssl/opensslv.h>
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#include <openssl/bio.h>
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OPENSSL_GLOBAL const char *libdes_version="libdes" OPENSSL_VERSION_PTEXT;
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OPENSSL_GLOBAL const char *DES_version="DES" OPENSSL_VERSION_PTEXT;
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const char *DES_options(void)
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{
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static int init=1;
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static char buf[32];
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if (init)
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{
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const char *ptr,*unroll,*risc,*size;
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#ifdef DES_PTR
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ptr="ptr";
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#else
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ptr="idx";
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#endif
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#if defined(DES_RISC1) || defined(DES_RISC2)
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#ifdef DES_RISC1
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risc="risc1";
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#endif
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#ifdef DES_RISC2
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risc="risc2";
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#endif
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#else
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risc="cisc";
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#endif
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#ifdef DES_UNROLL
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unroll="16";
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#else
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unroll="4";
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#endif
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if (sizeof(DES_LONG) != sizeof(long))
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size="int";
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else
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size="long";
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BIO_snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,
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size);
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init=0;
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}
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return(buf);
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}
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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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{
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register DES_LONG l;
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DES_LONG ll[2];
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const unsigned char *in = &(*input)[0];
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unsigned char *out = &(*output)[0];
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c2l(in,l); ll[0]=l;
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c2l(in,l); ll[1]=l;
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DES_encrypt1(ll,ks,enc);
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l=ll[0]; l2c(l,out);
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l=ll[1]; l2c(l,out);
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l=ll[0]=ll[1]=0;
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}
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