namespace System.ServiceModel.Security { internal static class SecurityUtils { public const string Identities = "Identities"; public const string Principal = "Principal"; public static DateTime MaxUtcDateTime { get; } public static DateTime MinUtcDateTime { get; } public static ChannelBinding GetChannelBindingFromMessage(Message message); public static bool TryCreateKeyFromIntrinsicKeyClause(SecurityKeyIdentifierClause keyIdentifierClause, SecurityTokenResolver resolver, out SecurityKey key); public static SecurityBindingElement GetIssuerSecurityBindingElement(ServiceModelSecurityTokenRequirement requirement); public static bool TryCreateX509CertificateFromRawData(byte[] rawData, out X509Certificate2 certificate); } }