1 /* crypto/des/ecb_enc.c */
\r/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
\r * All rights reserved.
\r *
\r * This package is an SSL implementation written
\r * by Eric Young (eay@mincom.oz.au).
\r * The implementation was written so as to conform with Netscapes SSL.
\r *
\r * This library is free for commercial and non-commercial use as long as
\r * the following conditions are aheared to. The following conditions
\r * apply to all code found in this distribution, be it the RC4, RSA,
\r * lhash, DES, etc., code; not just the SSL code. The SSL documentation
\r * included with this distribution is covered by the same copyright terms
\r * except that the holder is Tim Hudson (tjh@mincom.oz.au).
\r *
\r * Copyright remains Eric Young's, and as such any Copyright notices in
\r * the code are not to be removed.
\r * If this package is used in a product, Eric Young should be given attribution
\r * as the author of the parts of the library used.
\r * This can be in the form of a textual message at program startup or
\r * in documentation (online or textual) provided with the package.
\r *
\r * Redistribution and use in source and binary forms, with or without
\r * modification, are permitted provided that the following conditions
\r * are met:
\r * 1. Redistributions of source code must retain the copyright
\r * notice, this list of conditions and the following disclaimer.
\r * 2. Redistributions in binary form must reproduce the above copyright
\r * notice, this list of conditions and the following disclaimer in the
\r * documentation and/or other materials provided with the distribution.
\r * 3. All advertising materials mentioning features or use of this software
\r * must display the following acknowledgement:
\r * "This product includes cryptographic software written by
\r * Eric Young (eay@mincom.oz.au)"
\r * The word 'cryptographic' can be left out if the rouines from the library
\r * being used are not cryptographic related :-).
\r * 4. If you include any Windows specific code (or a derivative thereof) from
\r * the apps directory (application code) you must include an acknowledgement:
\r * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)"
\r *
\r * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
\r * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
\r * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
\r * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
\r * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
\r * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
\r * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
\r * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
\r * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
\r * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
\r * SUCH DAMAGE.
\r *
\r * The licence and distribution terms for any publically available version or
\r * derivative of this code cannot be changed. i.e. this code cannot simply be
\r * copied and put under another distribution licence
\r * [including the GNU Public Licence.]
\r */
\r\r#include "des_locl.h"
\r#include "spr.h"
\r\rchar *libdes_version="libdes v 4.01 - 13-Jan-1997 - eay";
\rchar *DES_version="DES part of SSLeay 0.6.6 14-Jan-1997";
\r\rchar *des_options()
\r {
\r static int init=1;
\r static char buf[32];
\r\r if (init)
\r {
\r char *ptr,*unroll,*risc,*size;
\r\r init=0;
\r#ifdef DES_PTR
\r ptr="ptr";
\r#else
\r ptr="idx";
\r#endif
\r#if defined(DES_RISC1) || defined(DES_RISC2)
\r#ifdef DES_RISC1
\r risc="risc1";
\r#endif
\r#ifdef DES_RISC2
\r risc="risc2";
\r#endif
\r#else
\r risc="cisc";
\r#endif
\r#ifdef DES_UNROLL
\r unroll="16";
\r#else
\r unroll="4";
\r#endif
\r if (sizeof(DES_LONG) != sizeof(long))
\r size="int";
\r else
\r size="long";
\r sprintf(buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,size);
\r }
\r return(buf);
\r }
\r \r\rvoid des_ecb_encrypt(input, output, ks, encrypt)
\rdes_cblock (*input);
\rdes_cblock (*output);
\rdes_key_schedule ks;
\rint encrypt;
\r {
\r register DES_LONG l;
\r register unsigned char *in,*out;
\r DES_LONG ll[2];
\r\r in=(unsigned char *)input;
\r out=(unsigned char *)output;
\r c2l(in,l); ll[0]=l;
\r c2l(in,l); ll[1]=l;
\r des_encrypt(ll,ks,encrypt);
\r l=ll[0]; l2c(l,out);
\r l=ll[1]; l2c(l,out);
\r l=ll[0]=ll[1]=0;
\r }
\r\r