123 lines
3.4 KiB
C
123 lines
3.4 KiB
C
/*-
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* Copyright (c) 2014-2015 Carsten Larsen
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* Copyright (c) 2001-2003 Allan Saddi <allan@saddi.com>
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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 ALLAN SADDI AND HIS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL ALLAN SADDI OR HIS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "platform.h"
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#include "sha1.h"
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#include "sha256.h"
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#include "sha384.h"
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#include "sha512.h"
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int shaFile (char *name, FILE *f, int which)
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{
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union {
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SHA1Context sha1;
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SHA256Context sha256;
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SHA384Context sha384;
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SHA512Context sha512;
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} s;
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size_t len;
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uint8_t hash[SHA512_HASH_SIZE];
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int hashLen, i;
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int success = 1;
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switch (which) {
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case 1:
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SHA1Init (&s.sha1);
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break;
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case 2:
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SHA256Init (&s.sha256);
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break;
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case 3:
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SHA384Init (&s.sha384);
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break;
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case 5:
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SHA512Init (&s.sha512);
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break;
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default:
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abort ();
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}
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while ((len = fread (buffer, 1, SHA_BUFFER_SIZE, f)) > 0) {
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switch (which) {
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case 1:
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SHA1Update (&s.sha1, buffer, len);
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break;
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case 2:
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SHA256Update (&s.sha256, buffer, len);
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break;
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case 3:
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SHA384Update (&s.sha384, buffer, len);
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break;
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case 5:
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SHA512Update (&s.sha512, buffer, len);
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break;
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default:
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abort ();
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}
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}
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if (ferror (f)) {
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fprintf (stderr, "%s: %s\n", name, "Read error");
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success = 0;
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}
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else {
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switch (which) {
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case 1:
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SHA1Final (&s.sha1, hash);
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hashLen = SHA1_HASH_SIZE;
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break;
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case 2:
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SHA256Final (&s.sha256, hash);
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hashLen = SHA256_HASH_SIZE;
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break;
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case 3:
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SHA384Final (&s.sha384, hash);
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hashLen = SHA384_HASH_SIZE;
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break;
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case 5:
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SHA512Final (&s.sha512, hash);
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hashLen = SHA512_HASH_SIZE;
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break;
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default:
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abort ();
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}
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for (i = 0; i < hashLen; i++)
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printf ("%02x", hash[i]);
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if (name)
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printf (" %s\n", name);
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else
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printf ("\n");
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}
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memset (&s, 0, sizeof (s));
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return success;
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}
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