SIP's (Subject Interface Package) and Authenticodehttp://blogs.technet.com/b/eduardonavarro/archive/2008/07/11/3087407.aspxThis is my first post so I'll make it short and sweet. What are SIPs? They are basically implementations of Subject Interface Packages , which allow the CryptAPI to interact with specific parts of the files in order to put, get, calculate and verifyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)