OSX/libsecurity_apple_csp/open_ssl/openssl/rand.h

   1 /*
   2  * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /* crypto/rand/rand.h */
  20 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  21  * All rights reserved.
  22  *
  23  * This package is an SSL implementation written
  24  * by Eric Young (eay@cryptsoft.com).
  25  * The implementation was written so as to conform with Netscapes SSL.
  26  *
  27  * This library is free for commercial and non-commercial use as long as
  28  * the following conditions are aheared to.  The following conditions
  29  * apply to all code found in this distribution, be it the RC4, RSA,
  30  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  31  * included with this distribution is covered by the same copyright terms
  32  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  33  *
  34  * Copyright remains Eric Young's, and as such any Copyright notices in
  35  * the code are not to be removed.
  36  * If this package is used in a product, Eric Young should be given attribution
  37  * as the author of the parts of the library used.
  38  * This can be in the form of a textual message at program startup or
  39  * in documentation (online or textual) provided with the package.
  40  *
  41  * Redistribution and use in source and binary forms, with or without
  42  * modification, are permitted provided that the following conditions
  43  * are met:
  44  * 1. Redistributions of source code must retain the copyright
  45  *    notice, this list of conditions and the following disclaimer.
  46  * 2. Redistributions in binary form must reproduce the above copyright
  47  *    notice, this list of conditions and the following disclaimer in the
  48  *    documentation and/or other materials provided with the distribution.
  49  * 3. All advertising materials mentioning features or use of this software
  50  *    must display the following acknowledgement:
  51  *    "This product includes cryptographic software written by
  52  *     Eric Young (eay@cryptsoft.com)"
  53  *    The word 'cryptographic' can be left out if the rouines from the library
  54  *    being used are not cryptographic related :-).
  55  * 4. If you include any Windows specific code (or a derivative thereof) from
  56  *    the apps directory (application code) you must include an acknowledgement:
  57  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  58  *
  59  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  69  * SUCH DAMAGE.
  70  *
  71  * The licence and distribution terms for any publically available version or
  72  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  73  * copied and put under another distribution licence
  74  * [including the GNU Public Licence.]
  75  */
  76
  77 #ifndef HEADER_RAND_H
  78 #define HEADER_RAND_H
  79
  80 #ifdef  __cplusplus
  81 extern "C" {
  82 #endif
  83
  84 typedef struct rand_meth_st
  85         {
  86         void (*seed)(const void *buf, int num);
  87         int (*bytes)(unsigned char *buf, int num);
  88         void (*cleanup)(void);
  89         void (*add)(const void *buf, int num, double entropy);
  90         int (*pseudorand)(unsigned char *buf, int num);
  91         int (*status)(void);
  92         } RAND_METHOD;
  93
  94 #ifdef BN_DEBUG
  95 extern int rand_predictable;
  96 #endif
  97
  98 void RAND_set_rand_method(RAND_METHOD *meth);
  99 RAND_METHOD *RAND_get_rand_method(void );
 100 RAND_METHOD *RAND_SSLeay(void);
 101 void RAND_cleanup(void );
 102 int  RAND_bytes(unsigned char *buf,int num);
 103 int  RAND_pseudo_bytes(unsigned char *buf,int num);
 104 void RAND_seed(const void *buf,int num);
 105 void RAND_add(const void *buf,int num,double entropy);
 106 int  RAND_load_file(const char *file,long max_bytes);
 107 int  RAND_write_file(const char *file);
 108 const char *RAND_file_name(char *file,int num);
 109 int RAND_status(void);
 110 int RAND_egd(const char *path);
 111 #if defined(WINDOWS) || defined(WIN32)
 112 #include <windows.h>
 113 void RAND_screen(void);
 114 int RAND_event(UINT, WPARAM, LPARAM);
 115 #endif
 116 void    ERR_load_RAND_strings(void);
 117
 118 /* BEGIN ERROR CODES */
 119 /* The following lines are auto generated by the script mkerr.pl. Any changes
 120  * made after this point may be overwritten when the script is next run.
 121  */
 122
 123 /* Error codes for the RAND functions. */
 124
 125 /* Function codes. */
 126 #define RAND_F_SSLEAY_RAND_BYTES                         100
 127
 128 /* Reason codes. */
 129 #define RAND_R_PRNG_NOT_SEEDED                           100
 130
 131 #ifdef  __cplusplus
 132 }
 133 #endif
 134 #endif
 135