1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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#ifndef HEADER_RC2_H
11# define HEADER_RC2_H
12
13# include <openssl/opensslconf.h>
14
15# ifndef OPENSSL_NO_RC2
16# ifdef __cplusplus
17extern "C" {
18# endif
19
20typedef unsigned int RC2_INT;
21
22# define RC2_ENCRYPT 1
23# define RC2_DECRYPT 0
24
25# define RC2_BLOCK 8
26# define RC2_KEY_LENGTH 16
27
28typedef struct rc2_key_st {
29 RC2_INT data[64];
30} RC2_KEY;
31
32void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits);
33void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out,
34 RC2_KEY *key, int enc);
35void RC2_encrypt(unsigned int *data, RC2_KEY *key);
36void RC2_decrypt(unsigned int *data, RC2_KEY *key);
37void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
38 RC2_KEY *ks, unsigned char *iv, int enc);
39void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
40 long length, RC2_KEY *schedule, unsigned char *ivec,
41 int *num, int enc);
42void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
43 long length, RC2_KEY *schedule, unsigned char *ivec,
44 int *num);
45
46# ifdef __cplusplus
47}
48# endif
49# endif
50
51#endif
52