crypto/external/bsd/heimdal/dist/lib/hcrypto/rand.h

   1 /*      $NetBSD: rand.h,v 1.1.1.2 2011/04/14 14:08:33 elric Exp $       */
   2
   3
   4 /*
   5  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   6  * (Royal Institute of Technology, Stockholm, Sweden).
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * 3. Neither the name of the Institute nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 /*
  38  * Id
  39  */
  40
  41 #ifndef _HEIM_RAND_H
  42 #define _HEIM_RAND_H 1
  43
  44 typedef struct RAND_METHOD RAND_METHOD;
  45
  46 #include <hcrypto/engine.h>
  47
  48 /* symbol renaming */
  49 #define RAND_bytes hc_RAND_bytes
  50 #define RAND_pseudo_bytes hc_RAND_pseudo_bytes
  51 #define RAND_seed hc_RAND_seed
  52 #define RAND_cleanup hc_RAND_cleanup
  53 #define RAND_add hc_RAND_add
  54 #define RAND_set_rand_method hc_RAND_set_rand_method
  55 #define RAND_get_rand_method hc_RAND_get_rand_method
  56 #define RAND_set_rand_engine hc_RAND_set_rand_engine
  57 #define RAND_file_name hc_RAND_file_name
  58 #define RAND_load_file hc_RAND_load_file
  59 #define RAND_write_file hc_RAND_write_file
  60 #define RAND_status hc_RAND_status
  61 #define RAND_egd hc_RAND_egd
  62 #define RAND_egd_bytes hc_RAND_egd_bytes
  63 #define RAND_fortuna_method hc_RAND_fortuna_method
  64 #define RAND_egd_method hc_RAND_egd_method
  65 #define RAND_unix_method hc_RAND_unix_method
  66 #define RAND_w32crypto_method hc_RAND_w32crypto_method
  67
  68 /*
  69  *
  70  */
  71
  72 struct RAND_METHOD
  73 {
  74     void (*seed)(const void *, int);
  75     int (*bytes)(unsigned char *, int);
  76     void (*cleanup)(void);
  77     void (*add)(const void *, int, double);
  78     int (*pseudorand)(unsigned char *, int);
  79     int (*status)(void);
  80 };
  81
  82 /*
  83  *
  84  */
  85
  86 int     RAND_bytes(void *, size_t num);
  87 int     RAND_pseudo_bytes(void *, size_t);
  88 void    RAND_seed(const void *, size_t);
  89 void    RAND_cleanup(void);
  90 void    RAND_add(const void *, size_t, double);
  91
  92 int     RAND_set_rand_method(const RAND_METHOD *);
  93 const RAND_METHOD *
  94         RAND_get_rand_method(void);
  95 int     RAND_set_rand_engine(ENGINE *);
  96
  97 const char *
  98         RAND_file_name(char *, size_t);
  99 int     RAND_load_file(const char *, size_t);
 100 int     RAND_write_file(const char *);
 101 int     RAND_status(void);
 102 int     RAND_egd(const char *);
 103 int     RAND_egd_bytes(const char *, int);
 104
 105
 106 const RAND_METHOD *     RAND_fortuna_method(void);
 107 const RAND_METHOD *     RAND_unix_method(void);
 108 const RAND_METHOD *     RAND_egd_method(void);
 109 const RAND_METHOD *     RAND_w32crypto_method(void);
 110
 111 #endif /* _HEIM_RAND_H */