include/openssl/rc4.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_RC4_H
  11 # define OPENSSL_RC4_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_RC4_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_RC4
  22 #  include <stddef.h>
  23 #  ifdef  __cplusplus
  24 extern "C" {
  25 #  endif
  26
  27 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  28 typedef struct rc4_key_st {
  29     RC4_INT x, y;
  30     RC4_INT data[256];
  31 } RC4_KEY;
  32 #  endif
  33 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  34 OSSL_DEPRECATEDIN_3_0 const char *RC4_options(void);
  35 OSSL_DEPRECATEDIN_3_0 void RC4_set_key(RC4_KEY *key, int len,
  36                                        const unsigned char *data);
  37 OSSL_DEPRECATEDIN_3_0 void RC4(RC4_KEY *key, size_t len,
  38                                const unsigned char *indata,
  39                                unsigned char *outdata);
  40 #  endif
  41
  42 #  ifdef  __cplusplus
  43 }
  44 #  endif
  45 # endif
  46
  47 #endif