May, 2005

  • .NET Security Blog

    Dynamic Assemblies and Declarative Security

    • 2 Comments
    Speaking of dynamic IL generation ... Before Whidbey, the framework supplied two ways of creating code on the fly, CodeDOM and Reflection.Emit. The two vary greatly in their approaches. With CodeDOM you basically emit C# (or VB, or any other language...
  • .NET Security Blog

    Yiru on Debugging LCG

    • 2 Comments
    Yiru's got a great piece up on using SOS to debug code that was emitted using Whidbey's new Lightweight CodeGen feature. Debugging any code written at the IL level can be tricky for anyone who doesn't have Partition III of ECMA committed to mind. LCG...
  • .NET Security Blog

    Mike Downen Starts Blogging

    • 0 Comments
    After months of telling me that he's just about to start blogging, Mike Downen , the guy who's in charge of designing CLR security features, finally got his blog setup today . His first post is about obfuscation, and future posts will go into some of...
  • .NET Security Blog

    Receiving Session Lock and Unlock Notifications

    • 16 Comments
    Some programs, such as MSN Messenger, change their behavior when the current session is locked and unlocked. Messenger, for instance, will change your status to Away while your machine is locked, and then back to Online when your machine is unlocked....
  • .NET Security Blog

    FullTrust Means FullTrust

    • 9 Comments
    One of the items on my long list of blog todo's has been a change that the security team has been calling "FullTrust Means FullTrust" internally. Basically, this change means that demands for identity permissions will now always succeed in FullTrust,...
  • .NET Security Blog

    Enforcing FIPS Certified Cryptography

    • 35 Comments
    Certain types of software, such as code written for a government contract, require adhering to a strict set of guidelines, especially when it comes to security. To better enable this type of software, v2.0 of the CLR provides the ability for you to enforce...
  • .NET Security Blog

    Security Off Wrap Up

    • 4 Comments
    I've got just a few loose ends to tie up about our new security off behavior , and then we'll move on to other topics. System.Security.SecurityManager.SecurityEnabled As part of the work to move to the new security off model, we've removed the ability...
  • .NET Security Blog

    Forcing Security to Stay On

    • 1 Comments
    Last time we looked at how the Whidbey version of CasPol uses a mutex to indicate the state of the security system. One of the more interesting fallouts from this model is that is that we can actually use this information to prevent security from being...
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