public static RequestInterceptor Create(string realm, string privateKey, MembershipProvider membershipProvider)
 {
     var base64Converter = new Base64Converter();
      var privateHashEncoder = new PrivateHashEncoder(privateKey, new MD5Encoder());
      var generator = new NonceGenerator(privateHashEncoder, base64Converter);
      var digestHeaderGenerator = new DigestHeaderFactory(generator, realm);
      var digestValidator = new DigestValidator(new DigestEncoders(new MD5Encoder()));
      var digestHeaderExtractor = new DigestHeaderExtractor(new AuthorizationStringExtractor(), new DigestHeaderParser(new HeaderKeyValueSplitter('=')), new MethodExtractor());
      var nonceValidator = new NonceValidator(privateHashEncoder, base64Converter, new NonceTimeStampParser(), 600);
      var digestAuthenticationManager = new DigestAuthenticationManager(
     new ResponseMessageFactory(),
     new IPAddressExtractor(),
     membershipProvider,
     digestHeaderExtractor,
     new ServiceSecurityContextFactory(new AuthorizationPolicyFactory()),
     nonceValidator,
     digestValidator,
     digestHeaderGenerator);
      return new DigestAuthenticationInterceptor(digestAuthenticationManager);
 }
 public DigestAuthenticationInterceptor(DigestAuthenticationManager authenticationManager)
     : base(false)
 {
     this.authenticationManager = authenticationManager;
 }