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rnd_keys.c revision 1.1 
      1 /*	$NetBSD: rnd_keys.c,v 1.1 2011/04/13 18:14:51 elric Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995, 1996, 1997, 1999 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include "config.h"
     37 
     38 
     39 #define HC_DEPRECATED
     40 
     41 #ifdef KRB5
     42 #include <krb5/krb5-types.h>
     43 #endif
     44 #include <stdlib.h>
     45 
     46 #include <des.h>
     47 #include <rand.h>
     48 
     49 #undef __attribute__
     50 #define __attribute__(X)
     51 
     52 void HC_DEPRECATED
     53 DES_rand_data(void *outdata, int size)
     54 {
     55     RAND_bytes(outdata, size);
     56 }
     57 
     58 void HC_DEPRECATED
     59 DES_generate_random_block(DES_cblock *block)
     60 {
     61     RAND_bytes(block, sizeof(*block));
     62 }
     63 
     64 #define DES_rand_data_key hc_DES_rand_data_key
     65 
     66 void HC_DEPRECATED
     67 DES_rand_data_key(DES_cblock *key);
     68 
     69 /*
     70  * Generate a random DES key.
     71  */
     72 
     73 void HC_DEPRECATED
     74 DES_rand_data_key(DES_cblock *key)
     75 {
     76     DES_new_random_key(key);
     77 }
     78 
     79 void HC_DEPRECATED
     80 DES_set_sequence_number(void *ll)
     81 {
     82 }
     83 
     84 void HC_DEPRECATED
     85 DES_set_random_generator_seed(DES_cblock *seed)
     86 {
     87     RAND_seed(seed, sizeof(*seed));
     88 }
     89 
     90 /**
     91  * Generate a random des key using a random block, fixup parity and
     92  * skip weak keys.
     93  *
     94  * @param key is set to a random key.
     95  *
     96  * @return 0 on success, non zero on random number generator failure.
     97  *
     98  * @ingroup hcrypto_des
     99  */
    100 
    101 int HC_DEPRECATED
    102 DES_new_random_key(DES_cblock *key)
    103 {
    104     do {
    105 	if (RAND_bytes(key, sizeof(*key)) != 1)
    106 	    return 1;
    107 	DES_set_odd_parity(key);
    108     } while(DES_is_weak_key(key));
    109 
    110     return(0);
    111 }
    112 
    113 /**
    114  * Seed the random number generator. Deprecated, use @ref page_rand
    115  *
    116  * @param seed a seed to seed that random number generate with.
    117  *
    118  * @ingroup hcrypto_des
    119  */
    120 
    121 void HC_DEPRECATED
    122 DES_init_random_number_generator(DES_cblock *seed)
    123 {
    124     RAND_seed(seed, sizeof(*seed));
    125 }
    126 
    127 /**
    128  * Generate a random key, deprecated since it doesn't return an error
    129  * code, use DES_new_random_key().
    130  *
    131  * @param key is set to a random key.
    132  *
    133  * @ingroup hcrypto_des
    134  */
    135 
    136 void HC_DEPRECATED
    137 DES_random_key(DES_cblock *key)
    138 {
    139     if (DES_new_random_key(key))
    140 	abort();
    141 }
    142