HashMembershipCondition
                    public sealed class HashMembershipCondition : IDeserializationCallback, ISerializable, ISecurityEncodable, ISecurityPolicyEncodable, IMembershipCondition
                
                Determines whether an assembly belongs to a code group by testing its hash value. This class cannot be inherited.
                using System.Runtime.Serialization;
using System.Security.Cryptography;
namespace System.Security.Policy
{
    public sealed class HashMembershipCondition : IDeserializationCallback, ISerializable, ISecurityEncodable, ISecurityPolicyEncodable, IMembershipCondition
    {
        public HashAlgorithm HashAlgorithm { get; set; }
        public byte[] HashValue { get; set; }
        public HashMembershipCondition(HashAlgorithm hashAlg, byte[] value)
        {
        }
        public bool Check(Evidence evidence)
        {
            return false;
        }
        public IMembershipCondition Copy()
        {
            return this;
        }
        public override bool Equals(object o)
        {
            return base.Equals(o);
        }
        public void FromXml(SecurityElement e)
        {
        }
        public void FromXml(SecurityElement e, PolicyLevel level)
        {
        }
        public override int GetHashCode()
        {
            return base.GetHashCode();
        }
        void IDeserializationCallback.OnDeserialization(object sender)
        {
        }
        void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
        {
            throw new PlatformNotSupportedException();
        }
        public override string ToString()
        {
            return base.ToString();
        }
        public SecurityElement ToXml()
        {
            return null;
        }
        public SecurityElement ToXml(PolicyLevel level)
        {
            return null;
        }
    }
}