1 | /* |
2 | * Copyright 1995-2016 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 <openssl/rc2.h> |
11 | #include "rc2_local.h" |
12 | #include <openssl/opensslv.h> |
13 | |
14 | /*- |
15 | * RC2 as implemented frm a posting from |
16 | * Newsgroups: sci.crypt |
17 | * Subject: Specification for Ron Rivests Cipher No.2 |
18 | * Message-ID: <4fk39f$f70@net.auckland.ac.nz> |
19 | * Date: 11 Feb 1996 06:45:03 GMT |
20 | */ |
21 | |
22 | void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks, |
23 | int encrypt) |
24 | { |
25 | unsigned long l, d[2]; |
26 | |
27 | c2l(in, l); |
28 | d[0] = l; |
29 | c2l(in, l); |
30 | d[1] = l; |
31 | if (encrypt) |
32 | RC2_encrypt(d, ks); |
33 | else |
34 | RC2_decrypt(d, ks); |
35 | l = d[0]; |
36 | l2c(l, out); |
37 | l = d[1]; |
38 | l2c(l, out); |
39 | l = d[0] = d[1] = 0; |
40 | } |
41 | |