private string GetExchangeEncryptionAlgorithmName(
AlgorithmIdentifier algo)
{
DerObjectIdentifier oid = algo.Algorithm;
if (Asn1Pkcs.PkcsObjectIdentifiers.RsaEncryption.Equals(oid))
{
return("RSA//PKCS1Padding");
}
else if (Asn1Pkcs.PkcsObjectIdentifiers.IdRsaesOaep.Equals(oid))
{
Asn1Pkcs.RsaesOaepParameters rsaParams = Asn1Pkcs.RsaesOaepParameters.GetInstance(algo.Parameters);
return("RSA//OAEPWITH" + DigestUtilities.GetAlgorithmName(rsaParams.HashAlgorithm.Algorithm) + "ANDMGF1Padding");
}
return(oid.Id);
}