1 | /* |
2 | * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at |
7 | * https://www.openssl.org/source/license.html |
8 | */ |
9 | |
10 | #include "des_local.h" |
11 | #include <openssl/opensslv.h> |
12 | #include <openssl/bio.h> |
13 | |
14 | |
15 | const char *DES_options(void) |
16 | { |
17 | static int init = 1; |
18 | static char buf[12]; |
19 | |
20 | if (init) { |
21 | if (sizeof(DES_LONG) != sizeof(long)) |
22 | OPENSSL_strlcpy(buf, "des(int)" , sizeof(buf)); |
23 | else |
24 | OPENSSL_strlcpy(buf, "des(long)" , sizeof(buf)); |
25 | init = 0; |
26 | } |
27 | return buf; |
28 | } |
29 | |
30 | void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, |
31 | DES_key_schedule *ks, int enc) |
32 | { |
33 | register DES_LONG l; |
34 | DES_LONG ll[2]; |
35 | const unsigned char *in = &(*input)[0]; |
36 | unsigned char *out = &(*output)[0]; |
37 | |
38 | c2l(in, l); |
39 | ll[0] = l; |
40 | c2l(in, l); |
41 | ll[1] = l; |
42 | DES_encrypt1(ll, ks, enc); |
43 | l = ll[0]; |
44 | l2c(l, out); |
45 | l = ll[1]; |
46 | l2c(l, out); |
47 | l = ll[0] = ll[1] = 0; |
48 | } |
49 | |