namespace Org.BouncyCastle.Asn1.X509; public sealed class KeyPurposeID : DerObjectIdentifier { private const string IdKP = "1.3.6.1.5.5.7.3"; public static readonly KeyPurposeID AnyExtendedKeyUsage = new KeyPurposeID(X509Extensions.ExtendedKeyUsage.Id + ".0"); public static readonly KeyPurposeID IdKPServerAuth = new KeyPurposeID("1.3.6.1.5.5.7.3.1"); public static readonly KeyPurposeID IdKPClientAuth = new KeyPurposeID("1.3.6.1.5.5.7.3.2"); public static readonly KeyPurposeID IdKPCodeSigning = new KeyPurposeID("1.3.6.1.5.5.7.3.3"); public static readonly KeyPurposeID IdKPEmailProtection = new KeyPurposeID("1.3.6.1.5.5.7.3.4"); public static readonly KeyPurposeID IdKPIpsecEndSystem = new KeyPurposeID("1.3.6.1.5.5.7.3.5"); public static readonly KeyPurposeID IdKPIpsecTunnel = new KeyPurposeID("1.3.6.1.5.5.7.3.6"); public static readonly KeyPurposeID IdKPIpsecUser = new KeyPurposeID("1.3.6.1.5.5.7.3.7"); public static readonly KeyPurposeID IdKPTimeStamping = new KeyPurposeID("1.3.6.1.5.5.7.3.8"); public static readonly KeyPurposeID IdKPOcspSigning = new KeyPurposeID("1.3.6.1.5.5.7.3.9"); public static readonly KeyPurposeID IdKPSmartCardLogon = new KeyPurposeID("1.3.6.1.4.1.311.20.2.2"); public static readonly KeyPurposeID IdKPMacAddress = new KeyPurposeID("1.3.6.1.1.1.1.22"); private KeyPurposeID(string id) : base(id) { } }