include/openssl/rc2.h

   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 #ifndef OPENSSL_RC2_H
  11 # define OPENSSL_RC2_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # if !OPENSSL_API_3
  16 #  define HEADER_RC2_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_RC2
  22 # ifdef  __cplusplus
  23 extern "C" {
  24 # endif
  25
  26 typedef unsigned int RC2_INT;
  27
  28 # define RC2_ENCRYPT     1
  29 # define RC2_DECRYPT     0
  30
  31 # define RC2_BLOCK       8
  32 # define RC2_KEY_LENGTH  16
  33
  34 typedef struct rc2_key_st {
  35     RC2_INT data[64];
  36 } RC2_KEY;
  37
  38 void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits);
  39 void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out,
  40                      RC2_KEY *key, int enc);
  41 void RC2_encrypt(unsigned long *data, RC2_KEY *key);
  42 void RC2_decrypt(unsigned long *data, RC2_KEY *key);
  43 void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
  44                      RC2_KEY *ks, unsigned char *iv, int enc);
  45 void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
  46                        long length, RC2_KEY *schedule, unsigned char *ivec,
  47                        int *num, int enc);
  48 void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
  49                        long length, RC2_KEY *schedule, unsigned char *ivec,
  50                        int *num);
  51
  52 # ifdef  __cplusplus
  53 }
  54 # endif
  55 # endif
  56
  57 #endif