Add additional VIA RNG tests

The are configurations tests as recommended by Cryptography Research, Inc in their 2003 audit report

1 files changed, 57 insertions, 0 deletions

diff --git a/validat1.cpp b/validat1.cpp
index 650e5f20..fdeaaaed 100644
--- a/validat1.cpp
+++ b/validat1.cpp
@@ -1058,6 +1058,62 @@ bool TestMersenne()
 	{

 		PadlockRNG& padlock = dynamic_cast<PadlockRNG&>(*rng.get());

 		static const unsigned int SIZE = 10000;

+		SecByteBlock zero(16), one(16), t(16);

+		std::memset(zero, 0x00, 16);

+		std::memset( one, 0xff, 16);

+

+		// Cryptography Research, Inc tests

+		word32 oldDivisor = padlock.SetDivisor(0);

+		padlock.GenerateBlock(t, t.size());

+		word32 msr = padlock.GetMSR();

+		padlock.SetDivisor(oldDivisor);

+

+		// Bit 6 should be set

+		fail = !(msr & (1 << 6U));

+		pass &= !fail;

+		if (fail)

+			std::cout << "FAILED:";

+		else

+			std::cout << "passed:";

+		std::cout << "  VIA RNG is activated\n";

+

+		// Bit 13 should be unset

+		fail = (msr & (1 << 13U));

+		pass &= !fail;

+		if (fail)

+			std::cout << "FAILED:";

+		else

+			std::cout << "passed:";

+		std::cout << "  von Neumann corrector is activated\n";

+

+		// Bit 14 should be unset

+		fail = (msr & (1 << 14U));

+		pass &= !fail;

+		if (fail)

+			std::cout << "FAILED:";

+		else

+			std::cout << "passed:";

+		std::cout << "  String filter is deactivated\n";

+

+		// Bit 12:10 should be unset

+		fail = (msr & (0x7 << 10U));

+		pass &= !fail;

+		if (fail)

+			std::cout << "FAILED:";

+		else

+			std::cout << "passed:";

+		std::cout << "  Bias voltage is unmodified\n";

+

+		fail = false;

+		if (t == zero || t == one)

+			fail = true;

+

+		pass &= !fail;

+		if (fail)

+			std::cout << "FAILED:";

+		else

+			std::cout << "passed:";

+		std::cout << "  All 0's or all 1's test\n";

 

 		MeterFilter meter(new Redirector(TheBitBucket()));

 		Deflator deflator(new Redirector(meter));

@@ -1072,6 +1128,7 @@ bool TestMersenne()
 

 		CRYPTOPP_ASSERT(0 == maurer.BytesNeeded());

 		const double mv = maurer.GetTestValue();

+		fail = false;

 		if (mv < 0.98f)

 			fail = true;