Line data Source code
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 0 : const char *DES_options(void)
68 : {
69 : static int init = 1;
70 : static char buf[32];
71 :
72 0 : if (init) {
73 : const char *ptr, *unroll, *risc, *size;
74 :
75 : #ifdef DES_PTR
76 : ptr = "ptr";
77 : #else
78 : ptr = "idx";
79 : #endif
80 : #if defined(DES_RISC1) || defined(DES_RISC2)
81 : # ifdef DES_RISC1
82 : risc = "risc1";
83 : # endif
84 : # ifdef DES_RISC2
85 : risc = "risc2";
86 : # endif
87 : #else
88 : risc = "cisc";
89 : #endif
90 : #ifdef DES_UNROLL
91 : unroll = "16";
92 : #else
93 : unroll = "2";
94 : #endif
95 : if (sizeof(DES_LONG) != sizeof(long))
96 : size = "int";
97 : else
98 : size = "long";
99 0 : BIO_snprintf(buf, sizeof buf, "des(%s,%s,%s,%s)", ptr, risc, unroll,
100 : size);
101 0 : init = 0;
102 : }
103 0 : return (buf);
104 : }
105 :
106 0 : void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
107 : DES_key_schedule *ks, int enc)
108 : {
109 : register DES_LONG l;
110 : DES_LONG ll[2];
111 : const unsigned char *in = &(*input)[0];
112 : unsigned char *out = &(*output)[0];
113 :
114 0 : c2l(in, l);
115 0 : ll[0] = l;
116 0 : c2l(in, l);
117 0 : ll[1] = l;
118 0 : DES_encrypt1(ll, ks, enc);
119 0 : l = ll[0];
120 0 : l2c(l, out);
121 0 : l = ll[1];
122 0 : l2c(l, out);
123 : l = ll[0] = ll[1] = 0;
124 0 : }
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