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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
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/* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#include "orconfig.h"
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#define CRYPTO_PRIVATE
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#include "crypto.h"
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#include "test.h"
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#include <openssl/evp.h>
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#include <openssl/rand.h>
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#include "compat_openssl.h"
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/* Test for rectifying openssl RAND engine. */
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static void
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test_crypto_rng_engine(void *arg)
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{
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(void)arg;
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RAND_METHOD dummy_method;
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memset(&dummy_method, 0, sizeof(dummy_method));
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/* We should be a no-op if we're already on RAND_OpenSSL */
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tt_int_op(0, ==, crypto_force_rand_ssleay());
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tt_assert(RAND_get_rand_method() == RAND_OpenSSL());
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/* We should correct the method if it's a dummy. */
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RAND_set_rand_method(&dummy_method);
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#ifdef LIBRESSL_VERSION_NUMBER
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/* On libressl, you can't override the RNG. */
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tt_assert(RAND_get_rand_method() == RAND_OpenSSL());
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tt_int_op(0, ==, crypto_force_rand_ssleay());
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#else
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tt_assert(RAND_get_rand_method() == &dummy_method);
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tt_int_op(1, ==, crypto_force_rand_ssleay());
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#endif
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tt_assert(RAND_get_rand_method() == RAND_OpenSSL());
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/* Make sure we aren't calling dummy_method */
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crypto_rand((void *) &dummy_method, sizeof(dummy_method));
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crypto_rand((void *) &dummy_method, sizeof(dummy_method));
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done:
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;
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}
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struct testcase_t crypto_openssl_tests[] = {
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{ "rng_engine", test_crypto_rng_engine, TT_FORK, NULL, NULL },
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END_OF_TESTCASES
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};
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