namespace System.IdentityModel.Tokens { public abstract class AsymmetricSecurityKey : SecurityKey { public abstract AsymmetricAlgorithm GetAsymmetricAlgorithm(string algorithm, bool privateKey); public abstract HashAlgorithm GetHashAlgorithmForSignature(string algorithm); public abstract AsymmetricSignatureDeformatter GetSignatureDeformatter(string algorithm); public abstract AsymmetricSignatureFormatter GetSignatureFormatter(string algorithm); public abstract bool HasPrivateKey(); protected AsymmetricSecurityKey(); } }