Annotation of embedaddon/strongswan/scripts/hash_burn.c, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2012 Martin Willi
3: * Copyright (C) 2012 revosec AG
4: *
5: * This program is free software; you can redistribute it and/or modify it
6: * under the terms of the GNU General Public License as published by the
7: * Free Software Foundation; either version 2 of the License, or (at your
8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13: * for more details.
14: */
15:
16: #include <stdio.h>
17: #include <library.h>
18:
19:
20:
21: int main(int argc, char *argv[])
22: {
23: hash_algorithm_t alg;
24: hasher_t *hasher;
25: char buffer[1024];
26: int limit = 0, i = 0;
27:
28: library_init(NULL, "hash_burn");
29: lib->plugins->load(lib->plugins, PLUGINS);
30: atexit(library_deinit);
31:
32: printf("loaded: %s\n", PLUGINS);
33:
34: memset(buffer, 0x12, sizeof(buffer));
35:
36: if (argc < 2)
37: {
38: fprintf(stderr, "usage: %s <algorithm>!\n", argv[0]);
39: return 1;
40: }
41: if (argc > 2)
42: {
43: limit = atoi(argv[2]);
44: }
45:
46: if (!enum_from_name(hash_algorithm_short_names, argv[1], &alg))
47: {
48: fprintf(stderr, "unknown hash algorithm: %s\n", argv[1]);
49: return 1;
50: }
51: hasher = lib->crypto->create_hasher(lib->crypto, alg);
52: if (!hasher)
53: {
54: fprintf(stderr, "hash algorithm not supported: %N\n",
55: hash_algorithm_names, alg);
56: return 1;
57: }
58:
59: while (TRUE)
60: {
61: if (!hasher->get_hash(hasher, chunk_from_thing(buffer), buffer))
62: {
63: fprintf(stderr, "hashing failed!\n");
64: return 1;
65: }
66: if (limit && ++i == limit)
67: {
68: break;
69: }
70: }
71: hasher->destroy(hasher);
72: return 0;
73: }
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