namespace System.Security.Cryptography { public enum OidGroup { All = 0, Attribute = 5, EncryptionAlgorithm = 2, EnhancedKeyUsage = 7, ExtensionOrAttribute = 6, HashAlgorithm = 1, KeyDerivationFunction = 10, Policy = 8, PublicKeyAlgorithm = 3, SignatureAlgorithm = 4, Template = 9 } }