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    copied!<p>To create the nonce, I had to change a few things</p> <p>First, added a custom binding in my config</p> <pre><code>&lt;system.serviceModel&gt; &lt;bindings&gt; &lt;customBinding&gt; &lt;binding name="myCustomBindingConfig"&gt; &lt;security includeTimestamp="false" authenticationMode="UserNameOverTransport" defaultAlgorithmSuite="Basic256" requireDerivedKeys="true" messageSecurityVersion="WSSecurity10WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10"&gt; &lt;/security&gt; &lt;textMessageEncoding messageVersion="Soap11"&gt;&lt;/textMessageEncoding&gt; &lt;httpsTransport maxReceivedMessageSize="2000000000" /&gt; &lt;/binding&gt; &lt;/customBinding&gt; &lt;/bindings&gt; &lt;/system.serviceModel&gt; &lt;client&gt; &lt;endpoint address="https://..." [other tags] binding="customBinding" bindingConfiguration="OrangeLeapCustomBindingConfig"/&gt; &lt;/client&gt; </code></pre> <p>Then, take this code found here: <a href="http://social.msdn.microsoft.com/Forums/en-US/wcf/thread/4df3354f-0627-42d9-b5fb-6e880b60f8ee" rel="noreferrer">http://social.msdn.microsoft.com/Forums/en-US/wcf/thread/4df3354f-0627-42d9-b5fb-6e880b60f8ee</a> and modify it to create the nonce (just a random hash, base-64 encoded)</p> <pre><code>protected override void WriteTokenCore(System.Xml.XmlWriter writer, System.IdentityModel.Tokens.SecurityToken token) { Random r = new Random(); string tokennamespace = "o"; DateTime created = DateTime.Now; string createdStr = created.ToString("yyyy-MM-ddTHH:mm:ss.fffZ"); string nonce = Convert.ToBase64String(Encoding.ASCII.GetBytes(SHA1Encrypt(created + r.Next().ToString()))); System.IdentityModel.Tokens.UserNameSecurityToken unToken = (System.IdentityModel.Tokens.UserNameSecurityToken)token; writer.WriteRaw(String.Format( "&lt;{0}:UsernameToken u:Id=\"" + token.Id + "\" xmlns:u=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd\"&gt;" + "&lt;{0}:Username&gt;" + unToken.UserName + "&lt;/{0}:Username&gt;" + "&lt;{0}:Password Type=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText\"&gt;" + unToken.Password + "&lt;/{0}:Password&gt;" + "&lt;{0}:Nonce EncodingType=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary\"&gt;" + nonce + "&lt;/{0}:Nonce&gt;" + "&lt;u:Created&gt;" + createdStr + "&lt;/u:Created&gt;&lt;/{0}:UsernameToken&gt;", tokennamespace)); } protected String ByteArrayToString(byte[] inputArray) { StringBuilder output = new StringBuilder(""); for (int i = 0; i &lt; inputArray.Length; i++) { output.Append(inputArray[i].ToString("X2")); } return output.ToString(); } protected String SHA1Encrypt(String phrase) { UTF8Encoding encoder = new UTF8Encoding(); SHA1CryptoServiceProvider sha1Hasher = new SHA1CryptoServiceProvider(); byte[] hashedDataBytes = sha1Hasher.ComputeHash(encoder.GetBytes(phrase)); return ByteArrayToString(hashedDataBytes); } </code></pre>
 

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