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 <openssl/opensslv.h>
62 #include <openssl/bio.h>
63
64 OPENSSL_GLOBAL const char libdes_version[]="libdes" OPENSSL_VERSION_PTEXT;
65 OPENSSL_GLOBAL const char DES_version[]="DES" OPENSSL_VERSION_PTEXT;
66
67 const char *DES_options(void)
68 {
69 static int init=1;
70 static char buf[32];
71
72 if (init)
73 {
74 const char *ptr,*unroll,*risc,*size;
75
76 #ifdef DES_PTR
77 ptr="ptr";
78 #else
79 ptr="idx";
80 #endif
81 #if defined(DES_RISC1) || defined(DES_RISC2)
82 #ifdef DES_RISC1
83 risc="risc1";
84 #endif
85 #ifdef DES_RISC2
86 risc="risc2";
87 #endif
88 #else
89 risc="cisc";
90 #endif
91 #ifdef DES_UNROLL
92 unroll="16";
93 #else
94 unroll="2";
95 #endif
96 if (sizeof(DES_LONG) != sizeof(long))
97 size="int";
98 else
99 size="long";
100 BIO_snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,
101 size);
102 init=0;
103 }
104 return(buf);
105 }
106
107
108 void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
109 DES_key_schedule *ks, int enc)
110 {
111 register DES_LONG l;
112 DES_LONG ll[2];
113 const unsigned char *in = &(*input)[0];
114 unsigned char *out = &(*output)[0];
115
116 c2l(in,l); ll[0]=l;
117 c2l(in,l); ll[1]=l;
118 DES_encrypt1(ll,ks,enc);
119 l=ll[0]; l2c(l,out);
120 l=ll[1]; l2c(l,out);
121 l=ll[0]=ll[1]=0;
122 }