/// <summary>The public key contained in the object.</summary>
/// <returns>A lightweight public key.</returns>
/// <exception cref="PgpException">If the key algorithm is not recognised.</exception>
private IAsymmetricPublicKey GetKey()
{
if (key != null)
{
return(key);
}
switch (keyPacket.Algorithm)
{
case PgpPublicKeyAlgorithm.RsaEncrypt:
case PgpPublicKeyAlgorithm.RsaGeneral:
case PgpPublicKeyAlgorithm.RsaSign:
return(key = RsaKey.CreatePublic(keyPacket.KeyBytes, out var _));
case PgpPublicKeyAlgorithm.Dsa:
return(key = DsaKey.CreatePublic(keyPacket.KeyBytes, out var _));
case PgpPublicKeyAlgorithm.ElGamalEncrypt:
case PgpPublicKeyAlgorithm.ElGamalGeneral:
return(key = ElGamalKey.CreatePublic(keyPacket.KeyBytes, out var _));
case PgpPublicKeyAlgorithm.ECDsa:
return(key = ECDsaKey.CreatePublic(keyPacket.KeyBytes, out var _));
case PgpPublicKeyAlgorithm.ECDH:
return(key = ECDiffieHellmanKey.CreatePublic(fingerprint, keyPacket.KeyBytes, out var _));
case PgpPublicKeyAlgorithm.EdDsa:
return(key = EdDsaKey.CreatePublic(keyPacket.KeyBytes, out var _));
default:
throw new PgpException("unknown public key algorithm encountered");
}
}
