xref: /netbsd-src/crypto/external/bsd/openssl.old/dist/include/openssl/rc2.h (revision 4724848cf0da353df257f730694b7882798e5daf)
1*4724848cSchristos /*
2*4724848cSchristos  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3*4724848cSchristos  *
4*4724848cSchristos  * Licensed under the OpenSSL license (the "License").  You may not use
5*4724848cSchristos  * this file except in compliance with the License.  You can obtain a copy
6*4724848cSchristos  * in the file LICENSE in the source distribution or at
7*4724848cSchristos  * https://www.openssl.org/source/license.html
8*4724848cSchristos  */
9*4724848cSchristos 
10*4724848cSchristos #ifndef HEADER_RC2_H
11*4724848cSchristos # define HEADER_RC2_H
12*4724848cSchristos 
13*4724848cSchristos # include <openssl/opensslconf.h>
14*4724848cSchristos 
15*4724848cSchristos # ifndef OPENSSL_NO_RC2
16*4724848cSchristos # ifdef  __cplusplus
17*4724848cSchristos extern "C" {
18*4724848cSchristos # endif
19*4724848cSchristos 
20*4724848cSchristos typedef unsigned int RC2_INT;
21*4724848cSchristos 
22*4724848cSchristos # define RC2_ENCRYPT     1
23*4724848cSchristos # define RC2_DECRYPT     0
24*4724848cSchristos 
25*4724848cSchristos # define RC2_BLOCK       8
26*4724848cSchristos # define RC2_KEY_LENGTH  16
27*4724848cSchristos 
28*4724848cSchristos typedef struct rc2_key_st {
29*4724848cSchristos     RC2_INT data[64];
30*4724848cSchristos } RC2_KEY;
31*4724848cSchristos 
32*4724848cSchristos void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits);
33*4724848cSchristos void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out,
34*4724848cSchristos                      RC2_KEY *key, int enc);
35*4724848cSchristos void RC2_encrypt(unsigned int *data, RC2_KEY *key);
36*4724848cSchristos void RC2_decrypt(unsigned int *data, RC2_KEY *key);
37*4724848cSchristos void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
38*4724848cSchristos                      RC2_KEY *ks, unsigned char *iv, int enc);
39*4724848cSchristos void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
40*4724848cSchristos                        long length, RC2_KEY *schedule, unsigned char *ivec,
41*4724848cSchristos                        int *num, int enc);
42*4724848cSchristos void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
43*4724848cSchristos                        long length, RC2_KEY *schedule, unsigned char *ivec,
44*4724848cSchristos                        int *num);
45*4724848cSchristos 
46*4724848cSchristos # ifdef  __cplusplus
47*4724848cSchristos }
48*4724848cSchristos # endif
49*4724848cSchristos # endif
50*4724848cSchristos 
51*4724848cSchristos #endif
52