include/openssl/rc2.h

   1 /*
   2  * Copyright 1995-2020 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 # ifndef OPENSSL_NO_DEPRECATED_3_0
  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 #  define RC2_BLOCK       8
  27 #  define RC2_KEY_LENGTH  16
  28
  29 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  30 typedef unsigned int RC2_INT;
  31
  32 #   define RC2_ENCRYPT     1
  33 #   define RC2_DECRYPT     0
  34
  35 typedef struct rc2_key_st {
  36     RC2_INT data[64];
  37 } RC2_KEY;
  38 #  endif
  39 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  40 OSSL_DEPRECATEDIN_3_0 void RC2_set_key(RC2_KEY *key, int len,
  41                                        const unsigned char *data, int bits);
  42 OSSL_DEPRECATEDIN_3_0 void RC2_ecb_encrypt(const unsigned char *in,
  43                                            unsigned char *out, RC2_KEY *key,
  44                                            int enc);
  45 OSSL_DEPRECATEDIN_3_0 void RC2_encrypt(unsigned long *data, RC2_KEY *key);
  46 OSSL_DEPRECATEDIN_3_0 void RC2_decrypt(unsigned long *data, RC2_KEY *key);
  47 OSSL_DEPRECATEDIN_3_0 void RC2_cbc_encrypt(const unsigned char *in,
  48                                            unsigned char *out, long length,
  49                                            RC2_KEY *ks, unsigned char *iv,
  50                                            int enc);
  51 OSSL_DEPRECATEDIN_3_0 void RC2_cfb64_encrypt(const unsigned char *in,
  52                                              unsigned char *out, long length,
  53                                              RC2_KEY *schedule,
  54                                              unsigned char *ivec,
  55                                              int *num, int enc);
  56 OSSL_DEPRECATEDIN_3_0 void RC2_ofb64_encrypt(const unsigned char *in,
  57                                              unsigned char *out, long length,
  58                                              RC2_KEY *schedule,
  59                                              unsigned char *ivec,
  60                                              int *num);
  61 #  endif
  62
  63 #  ifdef  __cplusplus
  64 }
  65 #  endif
  66 # endif
  67
  68 #endif