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-rw-r--r--SoftHSMv2/src/lib/crypto/test/RNGTests.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/test/RNGTests.cpp b/SoftHSMv2/src/lib/crypto/test/RNGTests.cpp
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+/*
+ * Copyright (c) 2010 SURFnet bv
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*****************************************************************************
+ RNGTests.cpp
+
+ Contains test cases to test the RNG class
+ *****************************************************************************/
+
+#include <stdlib.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include "RNGTests.h"
+#include "CryptoFactory.h"
+#include "RNG.h"
+#include "ent.h"
+#include <stdio.h>
+
+CPPUNIT_TEST_SUITE_REGISTRATION(RNGTests);
+
+void RNGTests::setUp()
+{
+ rng = NULL;
+
+ rng = CryptoFactory::i()->getRNG();
+
+ // Check the RNG
+ CPPUNIT_ASSERT(rng != NULL);
+}
+
+void RNGTests::tearDown()
+{
+ fflush(stdout);
+}
+
+void RNGTests::testSimpleComparison()
+{
+ ByteString a,b;
+
+ CPPUNIT_ASSERT(rng->generateRandom(a, 256));
+ CPPUNIT_ASSERT(rng->generateRandom(b, 256));
+ CPPUNIT_ASSERT(a.size() == 256);
+ CPPUNIT_ASSERT(b.size() == 256);
+ CPPUNIT_ASSERT(a != b);
+}
+
+void RNGTests::testEnt()
+{
+ ByteString a;
+ double entropy, chiProbability, arithMean, montePi, serialCorrelation;
+
+ // Generate 10MB of random data
+ CPPUNIT_ASSERT(rng->generateRandom(a, 10*1024*1024));
+
+ // Perform entropy tests
+ doEnt(a.byte_str(), a.size(), &entropy, &chiProbability, &arithMean, &montePi, &serialCorrelation);
+
+ // Check entropy
+ CPPUNIT_ASSERT(entropy >= 7.999);
+ CPPUNIT_ASSERT((arithMean >= 127.4) && (arithMean <= 127.6));
+ CPPUNIT_ASSERT(serialCorrelation <= 0.001);
+}
+