Cold Boot Attacks

From Wikipedia:


In cryptography, a cold boot attack (or to a lesser extent, a platform reset attack) is a type of side channel attack in which an attacker with physical access to a computer is able to retrieve encryption keys from a running operating system after using a cold reboot to restart the machine.[1][2] The attack relies on the data remanence property of DRAM and SRAM to retrieve memory contents which remain readable in the seconds to minutes after power has been removed.

At this 2600 meeting, we will be attempting to perform a cold boot attack on a computer.  There will probably be several attempts. First we'll try to read some random string we've purposely put into the ram, and once we can reliably do that we'll move on to attempting to recover the encryption keys of a whole disk encrypted hard drive.


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  • Eric

    These guys are Great!! you can find them at 31337

    November 2, 2013

  • Don E.

    Excellent description of process. Love the way that doing the procedure required learning a number of other procedures not related to basic premise, but very helpful for other tasks (common finding). Also love that attempting the attack gives added confidence that this is not the most convenient method, and can be neglected in favor of protecting from other methods.
    And, the fellowship was excellent!

    November 2, 2013

  • Robert W.

    The space is open for the meeting, come on over whenever you're ready!

    November 1, 2013

  • kamikazejoe

    Just a reminder that the 2600 meeting is tomorrow. Bob and I have come up with a pretty neat way to implement our Cold Boot Attack, so come and check it out!

    October 31, 2013

  • Eric

    For the Visual learner, How data block and key encryption works.

    http://www.cs.bc.edu/~straubin/cs381-05/blockciphers/rijndael_ingles2004.swf

    October 22, 2013

  • Eric

    This sounds F-ing cool!! hope no one minds I don't know ʇᴉɥs

    October 16, 2013

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