Org.BouncyCastle.Bcpg.Sig.KeyExpirationTime public class KeyExpirationTime : SignatureSubpacket Signature Subpacket containing the number of seconds after the key's creation date, after which the key expires. Documentation Code public long Time { get; } public KeyExpirationTime(bool critical, bool isLongLength, byte[] data) public KeyExpirationTime(bool critical, long seconds) protected static byte[] TimeToBytes(long t)