Orcas

  • .NET Security Blog

    Disabling the FIPS Algorithm Check

    • 4 Comments
    .NET 2.0 introduced a check for FIPS certified algorithms if your local security policy was configured to require them. This resulted in algorithms which are not FIPS compliant (or implementations which were not FIPS certified) throwing an InvalidOperationException...
  • .NET Security Blog

    Manifested Controls Redux

    • 1 Comments
    Last year, I made a series of posts about a new feature available in the betas of .NET 3.5 which enabled you to specify declaratively the set of permissions that IE hosted managed controls should run with. Since the betas there have been a couple of tweaks...
  • .NET Security Blog

    Bypassing the Authenticode Signature Check on Startup

    • 3 Comments
    A while back I wrote about the performance penalty of loading an assembly with an Authenticode signature . The CLR will attempt to verify the signature at load time to generate Publisher evidence for the assembly. However, by default most applications...
  • .NET Security Blog

    Tying your IE Hosted Control to a Manifest

    • 1 Comments
    Last week, I talked about the Orcas feature which allows you to provide a manifest to elevate your control's permissions declaratively . We also saw how to generate manifests that would state what permissions your control needs (and the rules associated...
  • .NET Security Blog

    Manifests for IE Hosted Controls

    • 8 Comments
    Earlier this week,I talked about the Orcas feature where controls can declaratively request permissions in a similar way to ClickOnce applications. In fact, the manifests used for this request are the same manifests used for ClickOnce applications, with...
  • .NET Security Blog

    Specifying Permissions for IE Controls in Orcas

    • 1 Comments
    One of my most read blog posts (and one of the reasons I created this blog in the first place -- to answer what was one of the most asked questions on the old .NET Security newsgroup), is my post about granting managed controls hosted in IE extra permissions...
  • .NET Security Blog

    Introduction to the Orcas Add-In Model

    • 2 Comments
    One of the features the CLR team is adding in Orcas is that we're providing a new model to help enable your application to host Add-Ins. I've got a special interest in this set of features, as I always try to make my hobby applications pluggable for some...
  • .NET Security Blog

    Elliptic Curve Diffie-Hellman

    • 8 Comments
    The second elliptic curve algorithm added to Orcas is elliptic curve Diffie-Hellman, as the ECDiffieHellmanCng class. This is the first time Diffie-Hellman is available as part of the .NET Framework, so lets take a quick look at what it is and what it...
  • .NET Security Blog

    Elliptic Curve DSA

    • 3 Comments
    Yesterday I gave a quick rundown of all the new cryptographic algorithms available in the Orcas January CTP . Today, let's dive in a little deeper to the first of the elliptic curve algorithms, ECDSA. (ECDSA, along with the rest of the CNG classes in...
  • .NET Security Blog

    New Crypto Algorithms in Orcas

    • 6 Comments
    The January CTP of Orcas is now available , and with it comes a total of 12 new cryptography algorithm implementation classes, which include 2.5 new algorithms. (I'll count AES as 0.5 since we did already have Rijndael :-) ). These classes also are the...
  • .NET Security Blog

    Using Lightweight CodeGen from Partial Trust

    • 0 Comments
    Last time I talked about the new Orcas feature allowing you to use reflection from partial trust . Specifically we talked about standard reflection and Reflection.Emit, putting off Lightweight CodeGen until today. Before we start, if you're new to...
  • .NET Security Blog

    RestrictedMemberAccess

    • 3 Comments
    The September CTP of Orcas went live last night, including lots of features that other MSDN blogs are buzzing about such as LINQ to Objects, partial C# 3.0 support, and partial VB 9.0 support. (And prompting me to create the new Orcas category to replace...
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