105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
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* Copyright (c) 2015 Carsten Larsen
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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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*/
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#define ARGSFORMAT "FILES/M/A"
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#define VERSION_PROG "sha512"
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#include "platform.h"
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#include "sha512.h"
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const char *vers = VERSION_STRING_AMIGA;
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struct shaargs {
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char **files;
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};
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int main(int argc, char **argv)
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{
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int i;
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FILE *f;
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int failure = 0;
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struct shaargs args = { NULL };
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atexit(clean_exit);
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alloc_buffer();
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rdargs = ReadArgs(ARGS_FORMAT, (APTR)&args, NULL);
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if (!rdargs)
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{
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args_error(argv[0]);
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exit(5);
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}
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for (i = 0; args.files[i]; i++) {
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if ((f = fopen(args.files[i], "rb"))) {
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if (!shaFile(args.files[i], f, 0))
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failure = 1;
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fclose(f);
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}
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else {
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fprintf(stderr, "%s: %s\n",args.files[i], "No such file or directory");
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failure = 1;
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}
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}
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exit(failure);
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}
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int shaFile (char *name, FILE *f, int which)
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{
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SHA512Context 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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SHA512Init (&s);
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while ((len = fread (buffer, 1, SHA_BUFFER_SIZE, f)) > 0) {
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SHA512Update (&s, buffer, len);
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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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SHA512Final (&s, hash);
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hashLen = SHA512_HASH_SIZE;
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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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