2 Copyright (c) 2007-2009, John Hurst
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27 /*! \file fips-186-rng-test.cpp
28 \version $Id: fips-186-rng-test.cpp,v 1.4 2009/10/08 15:58:16 jhurst Exp $
29 \brief FIPS 186-2 RNG test wrapper
34 #include <openssl/sha.h>
40 main(int argc, const char** argv)
44 fprintf(stderr, "USAGE: fips-186-test <rounds> <b> <XKey-hex> <X-hex>\n");
48 ui32_t const X_buf_len = 1024;
49 byte_t XKey_buf[X_buf_len];
50 byte_t X_test_buf[X_buf_len];
54 ui32_t rounds = strtol(argv[1], &end, 10);
55 ui32_t B = strtol(argv[2], &end, 10) / 8;
57 if ( hex2bin(argv[3], XKey_buf, X_buf_len, &char_count) != 0 )
59 fprintf(stderr, "Error parsing <XKey-hex> value\n");
63 if ( char_count != B )
65 fprintf(stderr, "Incorrect length for <XKey-hex> value (expecting %d decoded bytes)\n", B);
69 if ( hex2bin(argv[4], X_test_buf, X_buf_len, &char_count) != 0 )
71 fprintf(stderr, "Error parsing <X-hex> value\n");
75 ui32_t const meg = 1024*1024;
76 ui32_t out_size = char_count;
78 ui32_t fill_size = rounds * 20;
79 assert(fill_size < meg);
80 Gen_FIPS_186_Value(XKey_buf, B, X_buf, fill_size);
82 byte_t* test_key = &X_buf[fill_size - out_size];
84 if ( memcmp(test_key, X_test_buf, char_count) != 0 )
86 fprintf(stderr, "Test vector value does not match:\n");
87 hexdump(test_key, char_count);