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Diffstat (limited to 'secure/lib/libdes/ecb_enc.c')
| -rw-r--r-- | secure/lib/libdes/ecb_enc.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/secure/lib/libdes/ecb_enc.c b/secure/lib/libdes/ecb_enc.c deleted file mode 100644 index f142192..0000000 --- a/secure/lib/libdes/ecb_enc.c +++ /dev/null @@ -1,229 +0,0 @@ -/* crypto/des/ecb_enc.c */ -/* Copyright (C) 1995-1996 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 "des_locl.h" -#include "spr.h" - -char *libdes_version="libdes v 3.24 - 20-Apr-1996 - eay"; -char *DES_version="DES part of SSLeay 0.6.3 06-Aug-1996"; - -char *des_options() - { -#ifdef DES_PTR - if (sizeof(DES_LONG) != sizeof(long)) - return("des(ptr,int)"); - else - return("des(ptr,long)"); -#else - if (sizeof(DES_LONG) != sizeof(long)) - return("des(idx,int)"); - else - return("des(idx,long)"); -#endif - } - - -void des_ecb_encrypt(input, output, ks, encrypt) -des_cblock (*input); -des_cblock (*output); -des_key_schedule ks; -int encrypt; - { - register DES_LONG l; - register unsigned char *in,*out; - DES_LONG ll[2]; - - in=(unsigned char *)input; - out=(unsigned char *)output; - c2l(in,l); ll[0]=l; - c2l(in,l); ll[1]=l; - des_encrypt(ll,ks,encrypt); - l=ll[0]; l2c(l,out); - l=ll[1]; l2c(l,out); - l=ll[0]=ll[1]=0; - } - -void des_encrypt(data, ks, encrypt) -DES_LONG *data; -des_key_schedule ks; -int encrypt; - { - register DES_LONG l,r,t,u; -#ifdef DES_PTR - register unsigned char *des_SP=(unsigned char *)des_SPtrans; -#endif -#ifdef undef - union fudge { - DES_LONG l; - unsigned short s[2]; - unsigned char c[4]; - } U,T; -#endif - register int i; - register DES_LONG *s; - - u=data[0]; - r=data[1]; - - IP(u,r); - /* Things have been modified so that the initial rotate is - * done outside the loop. This required the - * des_SPtrans values in sp.h to be rotated 1 bit to the right. - * One perl script later and things have a 5% speed up on a sparc2. - * Thanks to Richard Outerbridge <71755.204@CompuServe.COM> - * for pointing this out. */ - l=(r<<1)|(r>>31); - r=(u<<1)|(u>>31); - - /* clear the top bits on machines with 8byte longs */ - l&=0xffffffffL; - r&=0xffffffffL; - - s=(DES_LONG *)ks; - /* I don't know if it is worth the effort of loop unrolling the - * inner loop - */ - if (encrypt) - { - for (i=0; i<32; i+=8) - { - D_ENCRYPT(l,r,i+0); /* 1 */ - D_ENCRYPT(r,l,i+2); /* 2 */ - D_ENCRYPT(l,r,i+4); /* 3 */ - D_ENCRYPT(r,l,i+6); /* 4 */ - } - } - else - { - for (i=30; i>0; i-=8) - { - D_ENCRYPT(l,r,i-0); /* 16 */ - D_ENCRYPT(r,l,i-2); /* 15 */ - D_ENCRYPT(l,r,i-4); /* 14 */ - D_ENCRYPT(r,l,i-6); /* 13 */ - } - } - l=(l>>1)|(l<<31); - r=(r>>1)|(r<<31); - /* clear the top bits on machines with 8byte longs */ - l&=0xffffffffL; - r&=0xffffffffL; - - FP(r,l); - data[0]=l; - data[1]=r; - l=r=t=u=0; - } - -void des_encrypt2(data, ks, encrypt) -DES_LONG *data; -des_key_schedule ks; -int encrypt; - { - register DES_LONG l,r,t,u; -#ifdef DES_PTR - register unsigned char *des_SP=(unsigned char *)des_SPtrans; -#endif -#ifdef undef - union fudge { - DES_LONG l; - unsigned short s[2]; - unsigned char c[4]; - } U,T; -#endif - register int i; - register DES_LONG *s; - - u=data[0]; - r=data[1]; - - /* Things have been modified so that the initial rotate is - * done outside the loop. This required the - * des_SPtrans values in sp.h to be rotated 1 bit to the right. - * One perl script later and things have a 5% speed up on a sparc2. - * Thanks to Richard Outerbridge <71755.204@CompuServe.COM> - * for pointing this out. */ - l=(r<<1)|(r>>31); - r=(u<<1)|(u>>31); - - /* clear the top bits on machines with 8byte longs */ - l&=0xffffffffL; - r&=0xffffffffL; - - s=(DES_LONG *)ks; - /* I don't know if it is worth the effort of loop unrolling the - * inner loop */ - if (encrypt) - { - for (i=0; i<32; i+=8) - { - D_ENCRYPT(l,r,i+0); /* 1 */ - D_ENCRYPT(r,l,i+2); /* 2 */ - D_ENCRYPT(l,r,i+4); /* 3 */ - D_ENCRYPT(r,l,i+6); /* 4 */ - } - } - else - { - for (i=30; i>0; i-=8) - { - D_ENCRYPT(l,r,i-0); /* 16 */ - D_ENCRYPT(r,l,i-2); /* 15 */ - D_ENCRYPT(l,r,i-4); /* 14 */ - D_ENCRYPT(r,l,i-6); /* 13 */ - } - } - l=(l>>1)|(l<<31); - r=(r>>1)|(r<<31); - /* clear the top bits on machines with 8byte longs */ - l&=0xffffffffL; - r&=0xffffffffL; - - data[0]=l; - data[1]=r; - l=r=t=u=0; - } |
