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
22void 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