drbg: Implemented NIST SP-800-90A DRBG

2019-10-16 16:46:24 +02:00
parent 2a7937f179
commit 737375a2d2
33 changed files with 2825 additions and 37 deletions
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2013 Andreas Steffen
+ * HSR 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 License, or (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 useful, but
+ * 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 "test_suite.h"
+
+#include <utils/test.h>
+#include <crypto/rngs/rng_tester.h>
+
+START_TEST(test_rng_tester)
+{
+	rng_t *entropy;
+	chunk_t in, in1, in2, out;
+
+	in1 = chunk_from_chars(0x01, 0x02, 0x03, 0x04, 0x05, 0x06);
+	in2 = chunk_from_chars(0x07, 0x08);
+	in = chunk_cat("cc", in1, in2);
+
+	entropy = rng_tester_create(in);
+	ck_assert(entropy->allocate_bytes(entropy, 6, &out));
+	ck_assert(chunk_equals(in1, out));
+	ck_assert(entropy->get_bytes(entropy, 2, out.ptr));
+	ck_assert(memeq(in2.ptr, out.ptr, in2.len));
+	ck_assert(!entropy->get_bytes(entropy, 4, out.ptr));
+	chunk_free(&out);
+	ck_assert(!entropy->allocate_bytes(entropy, 4, &out));
+	entropy->destroy(entropy);
+	chunk_free(&in);
+}
+END_TEST
+
+
+Suite *rng_tester_suite_create()
+{
+	Suite *s;
+	TCase *tc;
+
+	s = suite_create("rng_tester");
+
+	tc = tcase_create("rng_tester");
+	tcase_add_test(tc, test_rng_tester);
+	suite_add_tcase(s, tc);
+
+	return s;
+}