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des.h
(4.1 KB)
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des_ecb.c
(4.4 KB)
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des_enc.c
(8.69 KB)
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des_locl.h
(12 KB)
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des_setkey.c
(7.21 KB)
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podd.h
(3.58 KB)
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sk.h
(9.18 KB)
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spr.h
(9.88 KB)
Editing: des_ecb.c
/* $KAME: des_ecb.c,v 1.6 2001/09/10 04:03:58 itojun Exp $ */ /* crypto/des/ecb_enc.c */ /* Copyright (C) 1995-1998 Eric Young (eay@mincom.oz.au) * All rights reserved. * * This file is part of an SSL implementation written * by Eric Young (eay@mincom.oz.au). * The implementation was written so as to conform with Netscapes SSL * specification. This library and applications are * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE * as long as the following conditions are aheared to. * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. If this code is used in a product, * Eric Young should be given attribution as the author of the parts 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 software developed by Eric Young (eay@mincom.oz.au) * * 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.] */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <crypto/des/des_locl.h> #include <crypto/des/spr.h> /* char *libdes_version="libdes v 3.24 - 20-Apr-1996 - eay"; */ /* wrong */ /* char *DES_version="DES part of SSLeay 0.6.4 30-Aug-1996"; */ char *des_options(void) { static int init=1; static char buf[32]; if (init) { const char *ptr,*unroll,*risc,*size; #ifdef DES_PTR ptr="ptr"; #else ptr="idx"; #endif #if defined(DES_RISC1) || defined(DES_RISC2) #ifdef DES_RISC1 risc="risc1"; #endif #ifdef DES_RISC2 risc="risc2"; #endif #else risc="cisc"; #endif #ifdef DES_UNROLL unroll="16"; #else unroll="4"; #endif if (sizeof(DES_LONG) != sizeof(long)) size="int"; else size="long"; sprintf(buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,size); init=0; } return(buf); } void des_ecb_encrypt(unsigned char *input, unsigned char *output, des_key_schedule ks, int enc) { register DES_LONG l; DES_LONG ll[2]; const unsigned char *in = input; unsigned char *out = output; c2l(in,l); ll[0]=l; c2l(in,l); ll[1]=l; des_encrypt1(ll,ks,enc); l=ll[0]; l2c(l,out); l=ll[1]; l2c(l,out); l=ll[0]=ll[1]=0; } void des_ecb3_encrypt(unsigned char *input, unsigned char *output, des_key_schedule ks1, des_key_schedule ks2, des_key_schedule ks3, int enc) { register DES_LONG l0,l1; DES_LONG ll[2]; const unsigned char *in = input; unsigned char *out = output; c2l(in,l0); c2l(in,l1); ll[0]=l0; ll[1]=l1; if (enc) des_encrypt3(ll,ks1,ks2,ks3); else des_decrypt3(ll,ks1,ks2,ks3); l0=ll[0]; l1=ll[1]; l2c(l0,out); l2c(l1,out); }
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