--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the Licenseor (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be usefulbut
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <crypto/crypto_tester.h>
+
+#include <debug.h>
+
+/**
+ * Monobit test
+ */
+typedef struct {
+ int lower;
+ int upper;
+} monobit_t;
+
+monobit_t monobit_all = {
+ .lower = 9654,
+ .upper = 10346
+};
+
+static bool test_monobit(monobit_t *param, chunk_t data)
+{
+ int i, j, bits = 0;
+
+ for (i = 0; i < data.len; i++)
+ {
+ for (j = 0; j < 8; j++)
+ {
+ if (data.ptr[i] & (1<<j))
+ {
+ bits++;
+ }
+ }
+ }
+ DBG2(" Monobit: %d/%d bits set", bits, data.len * 8);
+ if (bits > param->lower && bits < param->upper)
+ {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+rng_test_vector_t rng_monobit_1 = {
+ RNG_WEAK, .len = 2500,
+ .test = (void*)test_monobit,
+ .user = &monobit_all
+};
+
+rng_test_vector_t rng_monobit_2 = {
+ RNG_STRONG, .len = 2500,
+ .test = (void*)test_monobit,
+ .user = &monobit_all
+};
+
+rng_test_vector_t rng_monobit_3 = {
+ RNG_TRUE, .len = 2500,
+ .test = (void*)test_monobit,
+ .user = &monobit_all
+};
+
+/**
+ * Poker test
+ */
+typedef struct {
+ double lower;
+ double upper;
+} poker_t;
+
+poker_t poker_all = {
+ .lower = 1.03,
+ .upper = 57.4
+};
+
+static bool test_poker(poker_t *param, chunk_t data)
+{
+ int i, counter[16];
+ double sum = 0.0;
+
+ memset(counter, 0, sizeof(counter));
+
+ for (i = 0; i < data.len; i++)
+ {
+ counter[data.ptr[i] & 0x0F]++;
+ counter[(data.ptr[i] & 0xF0) >> 4]++;
+ }
+
+ for (i = 0; i < countof(counter); i++)
+ {
+ sum += (counter[i] * counter[i]) / 5000.0 * 16.0;
+ }
+ sum -= 5000.0;
+ DBG2(" Poker: %f", sum);
+ if (sum > param->lower && sum < param->upper)
+ {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+rng_test_vector_t rng_poker_1 = {
+ RNG_WEAK, .len = 2500,
+ .test = (void*)test_poker,
+ .user = &poker_all
+};
+
+rng_test_vector_t rng_poker_2 = {
+ RNG_STRONG, .len = 2500,
+ .test = (void*)test_poker,
+ .user = &poker_all
+};
+
+rng_test_vector_t rng_poker_3 = {
+ RNG_TRUE, .len = 2500,
+ .test = (void*)test_poker,
+ .user = &poker_all
+};
+
+/**
+ * Runs test
+ */
+typedef struct {
+ int longrun;
+ int lower[7];
+ int upper[7];
+} runs_t;
+
+runs_t runs_all = {
+ .longrun = 34,
+ .lower = {-1, 2267, 1079, 502, 223, 90, 90},
+ .upper = {-1, 2733, 1421, 748, 402, 223, 223},
+};
+
+static bool test_runs(runs_t *param, chunk_t data)
+{
+ int i, j, zero_runs[7], one_runs[7], zero = 0, one = 0, longrun = 0;
+
+ memset(one_runs, 0, sizeof(zero_runs));
+ memset(zero_runs, 0, sizeof(one_runs));
+
+ for (i = 0; i < data.len; i++)
+ {
+ for (j = 0; j < 8; j++)
+ {
+ if (data.ptr[i] & (1<<j))
+ {
+ if (one)
+ {
+ if (++one >= param->longrun)
+ {
+ longrun++;
+ break;
+ }
+ }
+ else
+ {
+ zero_runs[min(6, zero)]++;
+ zero = 0;
+ one = 1;
+ }
+ }
+ else
+ {
+ if (zero)
+ {
+ if (++zero >= param->longrun)
+ {
+ longrun++;
+ break;
+ }
+ }
+ else
+ {
+ one_runs[min(6, one)]++;
+ one = 0;
+ zero = 1;
+ }
+ }
+ }
+ }
+
+ DBG2(" Runs: zero: %d/%d/%d/%d/%d/%d, one: %d/%d/%d/%d/%d/%d, "
+ "longruns: %d",
+ zero_runs[1], zero_runs[2], zero_runs[3],
+ zero_runs[4], zero_runs[5], zero_runs[6],
+ one_runs[1], one_runs[2], one_runs[3],
+ one_runs[4], one_runs[5], one_runs[6],
+ longrun);
+
+ if (longrun)
+ {
+ return FALSE;
+ }
+
+ for (i = 1; i < countof(zero_runs); i++)
+ {
+ if (zero_runs[i] <= param->lower[i] ||
+ zero_runs[i] >= param->upper[i] ||
+ one_runs[i] <= param->lower[i] ||
+ one_runs[i] >= param->upper[i])
+ {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+rng_test_vector_t rng_runs_1 = {
+ RNG_WEAK, .len = 2500,
+ .test = (void*)test_runs,
+ .user = &runs_all
+};
+
+rng_test_vector_t rng_runs_2 = {
+ RNG_STRONG, .len = 2500,
+ .test = (void*)test_runs,
+ .user = &runs_all
+};
+
+rng_test_vector_t rng_runs_3 = {
+ RNG_TRUE, .len = 2500,
+ .test = (void*)test_runs,
+ .user = &runs_all
+};
+