public SchemeParameters(
KasAlgoAttributes kasAlgoAttributes,
KeyAgreementRole keyAgreementRole,
KasMode kasMode,
KeyConfirmationRole keyConfirmationRole,
KeyConfirmationDirection keyConfirmationDirection,
KasAssurance kasAssurances,
BitString thisPartyId
) : base(kasAlgoAttributes, keyAgreementRole, kasMode, keyConfirmationRole, keyConfirmationDirection, kasAssurances, thisPartyId)
{
KasAlgorithm = KasEnumMapping.GetSchemeRequirements(
kasAlgoAttributes.KasScheme,
kasMode,
keyAgreementRole,
keyConfirmationRole,
keyConfirmationDirection).kasAlgo;
}
private void ValidateConsistentAlgorithm(KasAlgorithm schemeRequirementsKasAlgo, SchemeKeyNonceGenRequirement schemeRequirementsRequirments, IDsaDomainParameters domainParameters, IDsaKeyPair ephemeralKey, IDsaKeyPair staticKey)
{
switch (schemeRequirementsKasAlgo)
{
case KasAlgorithm.Ffc:
if (domainParameters.GetType() != typeof(FfcDomainParameters))
{
throw new ArgumentException($"{nameof(domainParameters)} expected type {typeof(FfcDomainParameters)} got {domainParameters.GetType()}");
}
if (ephemeralKey != null && ephemeralKey.GetType() != typeof(FfcKeyPair))
{
throw new ArgumentException($"{nameof(ephemeralKey)} expected type {typeof(FfcKeyPair)} got {ephemeralKey.GetType()}");
}
if (staticKey != null && staticKey.GetType() != typeof(FfcKeyPair))
{
throw new ArgumentException($"{nameof(staticKey)} expected type {typeof(FfcKeyPair)} got {staticKey.GetType()}");
}
break;
case KasAlgorithm.Ecc:
if (domainParameters.GetType() != typeof(EccDomainParameters))
{
throw new ArgumentException($"{nameof(domainParameters)} expected type {typeof(EccDomainParameters)} got {domainParameters.GetType()}");
}
if (ephemeralKey != null && ephemeralKey.GetType() != typeof(EccKeyPair))
{
throw new ArgumentException($"{nameof(ephemeralKey)} expected type {typeof(EccKeyPair)} got {ephemeralKey.GetType()}");
}
if (staticKey != null && staticKey.GetType() != typeof(EccKeyPair))
{
throw new ArgumentException($"{nameof(staticKey)} expected type {typeof(EccKeyPair)} got {staticKey.GetType()}");
}
break;
default:
throw new ArgumentException(nameof(schemeRequirementsKasAlgo));
}
}
