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* fips.h -- Performs FIPS 140-1/140-2 tests for RNGs
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* Copyright (C) 2001 Philipp Rumpf
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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/* Size of a FIPS test buffer, do not change this */
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#define FIPS_RNG_BUFFER_SIZE 2500
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/* Context for running FIPS tests */
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int poker[16], runs[12];
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int ones, rlength, current_bit, last_bit, longrun;
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typedef struct fips_ctx fips_ctx_t;
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/* Initializes the context for FIPS tests. last32 contains
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* 32 bits of RNG data to init the continuous run test */
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extern void fips_init(fips_ctx_t *ctx, unsigned int last32);
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* Return values for fips_run_rng_test. These values are OR'ed together
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* for all tests that failed.
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#define FIPS_RNG_MONOBIT 0x0001 /* FIPS 140-2 2001-10-10 monobit */
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#define FIPS_RNG_POKER 0x0002 /* FIPS 140-2 2001-10-10 poker */
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#define FIPS_RNG_RUNS 0x0004 /* FIPS 140-2 2001-10-10 runs */
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#define FIPS_RNG_LONGRUN 0x0008 /* FIPS 140-2 2001-10-10 long run */
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#define FIPS_RNG_CONTINUOUS_RUN 0x0010 /* FIPS 140-2 continuous run */
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* Names for the FIPS tests, and bitmask
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#define N_FIPS_TESTS 5
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extern const char *fips_test_names[N_FIPS_TESTS];
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extern const unsigned int fips_test_mask[N_FIPS_TESTS];
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* Runs the FIPS 140-1 4.11.1 and 4.11.2 tests, as updated by
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* FIPS 140-2 4.9, errata from 2001-10-10 (which set more strict
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* intervals for the tests to pass), on a buffer of size
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* FIPS_RNG_BUFFER_SIZE, using the given context.
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* FIPS 140-2, errata of 2002-12-03 removed tests for non-deterministic
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* RNGs, other than Continuous Run test.
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* This funtion returns 0 if all tests passed, or a bitmask
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* with bits set for every test that failed.
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* It returns -1 if either fips_ctx or buf is NULL.
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extern int fips_run_rng_test(fips_ctx_t *ctx, const void *buf);