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b5a8f767a6
- Sync des/blowfish to more recent openssl. Obtained from: KAME/NetBSD MFC after: 2 weeks
137 lines
4.4 KiB
C
137 lines
4.4 KiB
C
/* $FreeBSD$ */
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/* $KAME: des_ecb.c,v 1.6 2001/09/10 04:03:58 itojun Exp $ */
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/* crypto/des/ecb_enc.c */
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/* Copyright (C) 1995-1998 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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#include <sys/param.h>
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#include <sys/systm.h>
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#include <crypto/des/des_locl.h>
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#include <crypto/des/spr.h>
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/* char *libdes_version="libdes v 3.24 - 20-Apr-1996 - eay"; */ /* wrong */
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/* char *DES_version="DES part of SSLeay 0.6.4 30-Aug-1996"; */
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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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sprintf(buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,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(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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void des_ecb3_encrypt(des_cblock *input, des_cblock *output,
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des_key_schedule ks1, des_key_schedule ks2, des_key_schedule ks3,
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int enc)
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{
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register DES_LONG l0,l1;
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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,l0);
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c2l(in,l1);
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ll[0]=l0;
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ll[1]=l1;
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if (enc)
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des_encrypt3(ll,ks1,ks2,ks3);
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else
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des_decrypt3(ll,ks1,ks2,ks3);
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l0=ll[0];
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l1=ll[1];
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l2c(l0,out);
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l2c(l1,out);
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}
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