X509KeyUsage public class X509KeyUsage : Asn1Encodable Documentation public const int CrlSign = 2 public const int DataEncipherment = 16 public const int DecipherOnly = 32768 public const int DigitalSignature = 128 public const int EncipherOnly = 1 public const int KeyAgreement = 8 public const int KeyCertSign = 4 public const int KeyEncipherment = 32 public const int NonRepudiation = 64 public X509KeyUsage(int usage)