Lionel Sambuc
ebfedea0ce
- crypto/external/bsd/heimdal - crypto/external/bsd/libsaslc - crypto/external/bsd/netpgp - crypto/external/bsd/openssl Change-Id: I91dbf05f33e637edf5b9bb408d5baddd7ba8cf75
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*-
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* Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#ifdef _KERNEL
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# include <sys/kmem.h>
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#else
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# include <arpa/inet.h>
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# include <ctype.h>
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# include <inttypes.h>
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# include <stdarg.h>
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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# include <time.h>
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# include <unistd.h>
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#endif
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#include "rand.h"
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int
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RAND_bytes(unsigned char *buf, int num)
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{
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uint32_t r;
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size_t cc;
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int i;
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if (buf == NULL || num < 0) {
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return 0;
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}
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for (i = 0 ; i < num ; i += sizeof(r)) {
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r = arc4random();
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cc = MIN(sizeof(r), (size_t)(num - i));
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(void) memcpy(&buf[i], &r, cc);
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}
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return 1;
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}
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