public void TestValidateGa()
{
JPakeUtilities.ValidateGa(Ten);
try
{
JPakeUtilities.ValidateGa(BigInteger.One);
Fail("exception not thrown for g^a equal to 1");
}
catch (CryptoException)
{
// expected
}
}
public virtual void ValidateRound2PayloadReceived(JPakeRound2Payload round2PayloadReceived)
{
if (state >= STATE_ROUND_2_VALIDATED)
{
throw new InvalidOperationException("Validation already attempted for round 2 payload for " + participantId);
}
if (state < STATE_ROUND_1_VALIDATED)
{
throw new InvalidOperationException("Round 1 payload must be validated prior to validation round 2 payload for " + participantId);
}
BigInteger ga = JPakeUtilities.CalculateGA(p, gx3, gx1, gx2);
b = round2PayloadReceived.A;
BigInteger[] knowledgeProofForX2s = round2PayloadReceived.KnowledgeProofForX2s;
JPakeUtilities.ValidateParticipantIdsDiffer(participantId, round2PayloadReceived.ParticipantId);
JPakeUtilities.ValidateParticipantIdsEqual(partnerParticipantId, round2PayloadReceived.ParticipantId);
JPakeUtilities.ValidateGa(ga);
JPakeUtilities.ValidateZeroKnowledgeProof(p, q, ga, b, knowledgeProofForX2s, round2PayloadReceived.ParticipantId, digest);
state = STATE_ROUND_2_VALIDATED;
}
