Joanna Rutkowska

@rootkovska ↗

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Last Checked Sept. 17, 2021

Created

Thu Feb 23 15:54:17 +0000 2017

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Joanna Rutkowska @rootkovska

RT @argvee: SHA-1 collisions are possible. Don't panic... just deprecate. https://t.co/AltokNuZ6j — PolitiTweet.org

Posted Feb. 23, 2017 Retweet Deleted

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Joanna Rutkowska @rootkovska

RT @FredericJacobs: Two-PDFs. Same size. Different content. Same SHA-1 hash. This is the first (known) SHA-1 collision in practice. https:/… — PolitiTweet.org

Posted Feb. 23, 2017 Retweet

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Joanna Rutkowska @rootkovska

INAC, but suspect this to be significantly harder? One of the hashes is fixed (the one for the trusted BIOS), so be… https://t.co/tixb078CuQ — PolitiTweet.org

TPM 1.2 only supports SHA-1 and uses hashes to attest firmware and BIOS. Collisions could defeat trusted boot.

Posted Feb. 23, 2017