/// <summary>
/// Validates the payload received from the other participant during round 3.
///
/// See JPakeParticipant for more details on round 3.
///
/// After execution, the State state will be STATE_ROUND_3_VALIDATED.
///
/// Throws CryptoException if validation fails. Throws InvalidOperationException if called prior to
/// CalculateKeyingMaterial or multiple times
/// </summary>
/// <param name="round3PayloadReceived">The round 3 payload received from the other participant.</param>
/// <param name="keyingMaterial">The keying material as returned from CalculateKeyingMaterial().</param>
public virtual void ValidateRound3PayloadReceived(JPakeRound3Payload round3PayloadReceived, BigInteger keyingMaterial)
{
if (this.state >= STATE_ROUND_3_VALIDATED)
{
throw new InvalidOperationException("Validation already attempted for round 3 payload for " + this.participantId);
}
if (this.state < STATE_KEY_CALCULATED)
{
throw new InvalidOperationException("Keying material must be calculated prior to validating round 3 payload for " + this.participantId);
}
JPakeUtilities.ValidateParticipantIdsDiffer(participantId, round3PayloadReceived.ParticipantId);
JPakeUtilities.ValidateParticipantIdsEqual(this.partnerParticipantId, round3PayloadReceived.ParticipantId);
JPakeUtilities.ValidateMacTag(
this.participantId,
this.partnerParticipantId,
this.gx1,
this.gx2,
this.gx3,
this.gx4,
keyingMaterial,
this.digest,
round3PayloadReceived.MacTag);
// Clear the rest of the fields.
this.gx1 = null;
this.gx2 = null;
this.gx3 = null;
this.gx4 = null;
this.state = STATE_ROUND_3_VALIDATED;
}
public virtual void ValidateRound3PayloadReceived(JPakeRound3Payload round3PayloadReceived, BigInteger keyingMaterial)
{
//IL_001d: Unknown result type (might be due to invalid IL or missing references)
//IL_0040: Unknown result type (might be due to invalid IL or missing references)
if (state >= STATE_ROUND_3_VALIDATED)
{
throw new InvalidOperationException("Validation already attempted for round 3 payload for " + participantId);
}
if (state < STATE_KEY_CALCULATED)
{
throw new InvalidOperationException("Keying material must be calculated prior to validating round 3 payload for " + participantId);
}
JPakeUtilities.ValidateParticipantIdsDiffer(participantId, round3PayloadReceived.ParticipantId);
JPakeUtilities.ValidateParticipantIdsEqual(partnerParticipantId, round3PayloadReceived.ParticipantId);
JPakeUtilities.ValidateMacTag(participantId, partnerParticipantId, gx1, gx2, gx3, gx4, keyingMaterial, digest, round3PayloadReceived.MacTag);
gx1 = null;
gx2 = null;
gx3 = null;
gx4 = null;
state = STATE_ROUND_3_VALIDATED;
}
/// <summary>
/// Validates the payload received from the other participant during round 3.
///
/// See JPakeParticipant for more details on round 3.
///
/// After execution, the State state will be STATE_ROUND_3_VALIDATED.
///
/// Throws CryptoException if validation fails. Throws InvalidOperationException if called prior to
/// CalculateKeyingMaterial or multiple times
/// </summary>
/// <param name="round3PayloadReceived">The round 3 payload received from the other participant.</param>
/// <param name="keyingMaterial">The keying material as returned from CalculateKeyingMaterial().</param>
public virtual void ValidateRound3PayloadReceived(JPakeRound3Payload round3PayloadReceived, BigInteger keyingMaterial)
{
if (this.state >= STATE_ROUND_3_VALIDATED)
throw new InvalidOperationException("Validation already attempted for round 3 payload for " + this.participantId);
if (this.state < STATE_KEY_CALCULATED)
throw new InvalidOperationException("Keying material must be calculated prior to validating round 3 payload for " + this.participantId);
JPakeUtilities.ValidateParticipantIdsDiffer(participantId, round3PayloadReceived.ParticipantId);
JPakeUtilities.ValidateParticipantIdsEqual(this.partnerParticipantId, round3PayloadReceived.ParticipantId);
JPakeUtilities.ValidateMacTag(
this.participantId,
this.partnerParticipantId,
this.gx1,
this.gx2,
this.gx3,
this.gx4,
keyingMaterial,
this.digest,
round3PayloadReceived.MacTag);
// Clear the rest of the fields.
this.gx1 = null;
this.gx2 = null;
this.gx3 = null;
this.gx4 = null;
this.state = STATE_ROUND_3_VALIDATED;
}