Branch data 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 : 1 : const char *DES_options(void)
68 : : {
69 : : static int init=1;
70 : : static char buf[32];
71 : :
72 [ + - ]: 1 : if (init)
73 : : {
74 : : const char *ptr,*unroll,*risc,*size;
75 : :
76 : : #ifdef DES_PTR
77 : : ptr="ptr";
78 : : #else
79 : 1 : 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 : 1 : risc="cisc";
90 : : #endif
91 : : #ifdef DES_UNROLL
92 : 1 : unroll="16";
93 : : #else
94 : : unroll="2";
95 : : #endif
96 : : if (sizeof(DES_LONG) != sizeof(long))
97 : 1 : size="int";
98 : : else
99 : : size="long";
100 : 1 : BIO_snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,
101 : : size);
102 : 1 : init=0;
103 : : }
104 : 1 : return(buf);
105 : : }
106 : :
107 : :
108 : 594 : 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 : 594 : const unsigned char *in = &(*input)[0];
114 : 594 : unsigned char *out = &(*output)[0];
115 : :
116 : 594 : c2l(in,l); ll[0]=l;
117 : 594 : c2l(in,l); ll[1]=l;
118 : 594 : DES_encrypt1(ll,ks,enc);
119 : 594 : l=ll[0]; l2c(l,out);
120 : 594 : l=ll[1]; l2c(l,out);
121 : 594 : l=ll[0]=ll[1]=0;
122 : 594 : }
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