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Add additional VIA RNG tests 

The are configurations tests as recommended by Cryptography Research, Inc in their 2003 audit report
pull/462/head
Jeffrey Walton 2017-08-20 07:01:59 -04:00
parent 855922b2ca
commit 88f08afcb0
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1 changed files with 57 additions and 0 deletions
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57
validat1.cpp
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@ -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;