public bool MayTrustTo(X509Certificate certificate)
{
Log.Write("Get authority key");
string authorityId = certificate.GetAuthorityKeyIdentifier();
Log.Write("Got authority key");
Log.Write("Get issuer");
X509Certificate issuerCertificate = GetIssuerCertificate(authorityId);
Log.Write("Got issuer");
Log.Write("Check signature");
if (issuerCertificate != null && certificate.IsSignedBy(issuerCertificate))
return true;
return false;
}