1/* crypto/des/ecb_enc.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include "des_locl.h"
60#include "des_ver.h"
61#include "spr.h"
62#include <openssl/opensslv.h>
63#include <openssl/bio.h>
64
65OPENSSL_GLOBAL const char *libdes_version="libdes" OPENSSL_VERSION_PTEXT;
66OPENSSL_GLOBAL const char *DES_version="DES" OPENSSL_VERSION_PTEXT;
67
68const char *DES_options(void)
69	{
70	static int init=1;
71	static char buf[32];
72
73	if (init)
74		{
75		const char *ptr,*unroll,*risc,*size;
76
77#ifdef DES_PTR
78		ptr="ptr";
79#else
80		ptr="idx";
81#endif
82#if defined(DES_RISC1) || defined(DES_RISC2)
83#ifdef DES_RISC1
84		risc="risc1";
85#endif
86#ifdef DES_RISC2
87		risc="risc2";
88#endif
89#else
90		risc="cisc";
91#endif
92#ifdef DES_UNROLL
93		unroll="16";
94#else
95		unroll="4";
96#endif
97		if (sizeof(DES_LONG) != sizeof(long))
98			size="int";
99		else
100			size="long";
101		BIO_snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,
102			     size);
103		init=0;
104		}
105	return(buf);
106	}
107
108
109void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
110		     DES_key_schedule *ks, int enc)
111	{
112	register DES_LONG l;
113	DES_LONG ll[2];
114	const unsigned char *in = &(*input)[0];
115	unsigned char *out = &(*output)[0];
116
117	c2l(in,l); ll[0]=l;
118	c2l(in,l); ll[1]=l;
119	DES_encrypt1(ll,ks,enc);
120	l=ll[0]; l2c(l,out);
121	l=ll[1]; l2c(l,out);
122	l=ll[0]=ll[1]=0;
123	}
124