Top Four Questions from the WCF RIA Services Forum

http://channel9.msdn.com/Shows/SilverlightTV/Silverlight-TV-44-Top-Four-Questions-from-the-WCF-RIA-Services-Forum

WCF Data Services Custom Framework

Very good introductions to WCF Data Services and their advantage upon RIA data services

http://blogs.planetsoftware.com.au/felix/archive/2010/06/13/why-wcf-data-services-is-better-than-ria.aspx

Another nice tutorials with Silverlight

http://hssow.wordpress.com/2011/07/15/partie-1-creer-et-consommer-un-service-de-donnees-open-data-avec-wcf-data-services/

JavaScrypt: Browser-Based Cryptography Tools

http://www.fourmilab.ch/javascrypt/

Creating an Encryption Utility in C#

http://www.programminghelp.com/programming/dotnet/creating-an-encryption-utility-in-c/

JavaScript Encryption

http://javascript.about.com/library/blencrypt.htm

Simple encrypting and decrypting data in C#

http://www.codeproject.com/KB/security/DotNetCrypto.aspx

Secure transaction with Javascript

Have you ever wanted to secure your client server connection without relying on HTTPS (well it does not replace HTTPS though..)
Here is a wonderful implementation using Javascript and C#

http://www.codeproject.com/KB/tips/JocysComJavaScriptClasses.aspx