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Showing posts with the label decryption

Electromagnetic eavesdropping is cheap & easy - so why doesn't anyone believe it exists?

Below, I've included what would have been the first post in a series of posts I wrote about the  badBIOS  controversy in October 2013. I found the evidence in support of badBIOS to be unconvincing and I was concerned by how popular badBIOS became despite those obvious shortcomings. This wasn't a situation where an overexcitable press ran with a story that turned out to be inaccurate; the most early and adamant believers in  badBIOS  weren't reporters, they were ITSEC professionals. How were so many of us publicly duped by what was essentially a conspiracy theory? This post doesn't address badBIOS directly. However, badBIOS was presumed to somehow involve the manipulation of computers using acoustic transmissions. This post provides some historical context behind a strain of computer science research in this field and shows how commonly held beliefs about the feasibility of these attacks were generally inaccurate at the time of writing. In future posts I would have explo

Decrypting Data That Has Been Encrypted by ASP.NET

A colleague of mine let me know about an easy way to use .NET's decryption mechanism from the command line. From the directory of the framework version, issue the following command (replace filename and path where appropriate): C:\WINDOWS\Microsoft.NET\ Framework\v2.0.50727>aspnet_ regiis -pdf "filename" D:\path\ Encrypting configuration section... Succeeded! Neat!