| /* | 
 |  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | 
 |  * | 
 |  * Licensed under the OpenSSL license (the "License").  You may not use | 
 |  * this file except in compliance with the License.  You can obtain a copy | 
 |  * in the file LICENSE in the source distribution or at | 
 |  * https://www.openssl.org/source/license.html | 
 |  */ | 
 |  | 
 | #ifndef HEADER_RC2_H | 
 | # define HEADER_RC2_H | 
 |  | 
 | # include <openssl/opensslconf.h> | 
 |  | 
 | # ifndef OPENSSL_NO_RC2 | 
 | # ifdef  __cplusplus | 
 | extern "C" { | 
 | # endif | 
 |  | 
 | typedef unsigned int RC2_INT; | 
 |  | 
 | # define RC2_ENCRYPT     1 | 
 | # define RC2_DECRYPT     0 | 
 |  | 
 | # define RC2_BLOCK       8 | 
 | # define RC2_KEY_LENGTH  16 | 
 |  | 
 | typedef struct rc2_key_st { | 
 |     RC2_INT data[64]; | 
 | } RC2_KEY; | 
 |  | 
 | void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits); | 
 | void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, | 
 |                      RC2_KEY *key, int enc); | 
 | void RC2_encrypt(unsigned long *data, RC2_KEY *key); | 
 | void RC2_decrypt(unsigned long *data, RC2_KEY *key); | 
 | void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, | 
 |                      RC2_KEY *ks, unsigned char *iv, int enc); | 
 | void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out, | 
 |                        long length, RC2_KEY *schedule, unsigned char *ivec, | 
 |                        int *num, int enc); | 
 | void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out, | 
 |                        long length, RC2_KEY *schedule, unsigned char *ivec, | 
 |                        int *num); | 
 |  | 
 | # ifdef  __cplusplus | 
 | } | 
 | # endif | 
 | # endif | 
 |  | 
 | #endif |