Attacking NIST SP 800-108 (Loss of Key Control Security)
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Re: Attacking NIST SP 800-108 (Loss of Key Control Security)
#2This appears to me similar to the attack against weak Fiat Shamir presented at RWC this year.
Re: Attacking NIST SP 800-108 (Loss of Key Control Security)
#3Another good post. I thought that reduction-based security proofs were supposed to save us from this kind of thing. What happened? I also got the impression, back when I was into this stuff, that these proofs are quite hard to formalize. I never understood why. Otherwise, maybe model checking could find such attacks.
Re: Attacking NIST SP 800-108 (Loss of Key Control Security)
#4I don't know this author, nor do I have much stake in this article, but I don't like this recent wave of blog posts that are riddled with low-effort memes. It's very distracting