Home | History | Annotate | Line # | Download | only in hcrypto
rnd_keys.c revision 1.1.1.1.26.1
      1 /*	$NetBSD: rnd_keys.c,v 1.1.1.1.26.1 2017/08/20 05:42:04 snj 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 #include <krb5/roken.h>
     38 
     39 #define HC_DEPRECATED
     40 
     41 #ifdef KRB5
     42 #include <krb5/krb5-types.h>
     43 #endif
     44 
     45 #include <des.h>
     46 #include <rand.h>
     47 
     48 #undef __attribute__
     49 #define __attribute__(X)
     50 
     51 void HC_DEPRECATED
     52 DES_rand_data(void *outdata, int size)
     53 {
     54     RAND_bytes(outdata, size);
     55 }
     56 
     57 void HC_DEPRECATED
     58 DES_generate_random_block(DES_cblock *block)
     59 {
     60     RAND_bytes(block, sizeof(*block));
     61 }
     62 
     63 #define DES_rand_data_key hc_DES_rand_data_key
     64 
     65 void HC_DEPRECATED
     66 DES_rand_data_key(DES_cblock *key);
     67 
     68 /*
     69  * Generate a random DES key.
     70  */
     71 
     72 void HC_DEPRECATED
     73 DES_rand_data_key(DES_cblock *key)
     74 {
     75     DES_new_random_key(key);
     76 }
     77 
     78 void HC_DEPRECATED
     79 DES_set_sequence_number(void *ll)
     80 {
     81 }
     82 
     83 void HC_DEPRECATED
     84 DES_set_random_generator_seed(DES_cblock *seed)
     85 {
     86     RAND_seed(seed, sizeof(*seed));
     87 }
     88 
     89 /**
     90  * Generate a random des key using a random block, fixup parity and
     91  * skip weak keys.
     92  *
     93  * @param key is set to a random key.
     94  *
     95  * @return 0 on success, non zero on random number generator failure.
     96  *
     97  * @ingroup hcrypto_des
     98  */
     99 
    100 int HC_DEPRECATED
    101 DES_new_random_key(DES_cblock *key)
    102 {
    103     do {
    104 	if (RAND_bytes(key, sizeof(*key)) != 1)
    105 	    return 1;
    106 	DES_set_odd_parity(key);
    107     } while(DES_is_weak_key(key));
    108 
    109     return(0);
    110 }
    111 
    112 /**
    113  * Seed the random number generator. Deprecated, use @ref page_rand
    114  *
    115  * @param seed a seed to seed that random number generate with.
    116  *
    117  * @ingroup hcrypto_des
    118  */
    119 
    120 void HC_DEPRECATED
    121 DES_init_random_number_generator(DES_cblock *seed)
    122 {
    123     RAND_seed(seed, sizeof(*seed));
    124 }
    125 
    126 /**
    127  * Generate a random key, deprecated since it doesn't return an error
    128  * code, use DES_new_random_key().
    129  *
    130  * @param key is set to a random key.
    131  *
    132  * @ingroup hcrypto_des
    133  */
    134 
    135 void HC_DEPRECATED
    136 DES_random_key(DES_cblock *key)
    137 {
    138     if (DES_new_random_key(key))
    139 	abort();
    140 }
    141