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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 | } |