source/heimdal/lib/des/rand.c

   1 /*
   2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 RCSID("$Id: rand.c,v 1.7 2006/10/16 10:23:01 lha Exp $");
  39
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <rand.h>
  43
  44 #include <roken.h>
  45
  46 extern RAND_METHOD hc_rand_unix_method;
  47 static const RAND_METHOD *selected_meth = &hc_rand_unix_method;
  48
  49 void
  50 RAND_seed(const void *indata, size_t size)
  51 {
  52     (*selected_meth->seed)(indata, size);
  53 }
  54
  55 int
  56 RAND_bytes(void *outdata, size_t size)
  57 {
  58     return (*selected_meth->bytes)(outdata, size);
  59 }
  60
  61 void
  62 RAND_cleanup(void)
  63 {
  64     (*selected_meth->cleanup)();
  65 }
  66
  67 void
  68 RAND_add(const void *indata, size_t size, double entropi)
  69 {
  70     (*selected_meth->add)(indata, size, entropi);
  71 }
  72
  73 int
  74 RAND_pseudo_bytes(void *outdata, size_t size)
  75 {
  76     return (*selected_meth->pseudorand)(outdata, size);
  77 }
  78
  79 int
  80 RAND_status(void)
  81 {
  82     return (*selected_meth->status)();
  83 }
  84
  85 int
  86 RAND_set_rand_method(const RAND_METHOD *meth)
  87 {
  88     selected_meth = meth;
  89     return 1;
  90 }
  91
  92 const RAND_METHOD *
  93 RAND_get_rand_method(void)
  94 {
  95     return selected_meth;
  96 }
  97
  98 int
  99 RAND_set_rand_engine(ENGINE *engine)
 100 {
 101     return 1;
 102 }
 103
 104 int
 105 RAND_load_file(const char *filename, size_t size)
 106 {
 107     return 1;
 108 }
 109
 110 int
 111 RAND_write_file(const char *filename)
 112 {
 113     return 1;
 114 }
 115
 116 int
 117 RAND_egd(const char *filename)
 118 {
 119     return 1;
 120 }