Org.BouncyCastle.Bcpg.X25519SecretBcpgKey public sealed class X25519SecretBcpgKey : OctetArrayBcpgKey Secret key of type X25519. Documentation Code public static readonly int Length public X25519SecretBcpgKey(BcpgInputStream bcpgIn) public X25519SecretBcpgKey(byte[] key)