Dennis Jackson

@Dennis__Jackson

Cyber Security Doctoral Student at the University of Oxford

Oxford, England
malfeasance.co.uk
Vrijeme pridruživanja: listopad 2008.
4 fotografije ili videozapisa Fotografije i videozapisi

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  1. 18. sij

    Opened a pull request:

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  2. 18. sij

    The UK's NCSC (defensive branch of GCHQ) have put their draft "Secure Communication Principles" on Github for public review! Alas, they seem to be forbidden from mentioning 'end to end encryption' leading to some tortured phrasing...

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  3. proslijedio/la je Tweet
    14. sij

    Recent paper on tricky crypto bugs in signature systems, including similarities to today's CVE. Will read this weekend, thanks for sharing (and writing) it Seems Legit: Automated Analysis of Subtle Attacks on Protocols that Use Signatures

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  4. 14. sij

    Presumably you put in an additional (malicious) curve description. The signature verification logic for the cert uses the honest curve description. However, the (signed) public key is instantiated over the malicious curve description.

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  5. 14. sij

    Looks like an invalid curve attack. Take a legit/signed pub key. Claim its over a curve of your choice. Cert verifies. And you know the secret key over that malicious curve.

    This you are strongly encouraged to implement the recently released CVE-2020-0601 patch immediately.
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  6. proslijedio/la je Tweet
    17. pro 2019.
    Odgovor korisnicima

    "Assumption 1: We assume that tamper-resistant, secure enclaves exists and are free of vulnerabilities."

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  7. 12. pro 2019.

    Verifying myself: I am galadran on . Yt3rIiPRJsCkmLQ_QI4CYqfNyRhVauUxaF0m /

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  8. proslijedio/la je Tweet
    17. stu 2019.

    presenting our work on automatically finding subtle attacks on protocols that use signatures, at -- joint work with and -- eprint at

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  9. proslijedio/la je Tweet
    9. srp 2019.

    [New] Seems Legit: Automated Analysis of Subtle Attacks on Protocols that Use Signatures (Dennis Jackson and Cas Cremers and Katriel Cohn-Gordon and Ralf Sasse)

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  10. proslijedio/la je Tweet
    9. srp 2019.

    It's finally out! Thanks a lot to the whole team and looking forward to the presentation at 2019 !

    [New] Seems Legit: Automated Analysis of Subtle Attacks on Protocols that Use Signatures (Dennis Jackson and Cas Cremers and Katriel Cohn-Gordon and Ralf Sasse)
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  11. proslijedio/la je Tweet
    25. lip 2019.

    presenting our work on non prime order groups and Diffie-Hellman at at ; eprint at

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  12. 24. svi 2019.

    Thanks Andrei! ePrint is up at

    2019 distinguished papers have been selected - congratulations to the authors: Abate et al., Cremers and Jackson, and Künnemann et al.!
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  13. 17. ožu 2019.

    SHA1sum: b1f46805abf3ff53fed9c059e7575383b23572c4

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  14. 5. ožu 2019.

    SHA256 Commitment: d5c3c53793fa8776f1a36292686ae226dd9d036c1a9508dc8b1c762b1e287c2b

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  15. 12. velj 2019.

    SHA256 of Open TimeStamp File: afa54ae16b6ff566fa24d50b43ddde2ccd1ccf039a95d001a541360934b1cce2 SHA256 of Summary File: 2557dd73975db36f032c23b194e036217075581130f56f88654ee7c6cd9e29ec Summary File Format: [SHA256sum] [FileName]

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  16. proslijedio/la je Tweet
    23. sij 2019.

    The advice I continue giving folks looking into PhD programs is to look for an advisor who is kind. Don’t look for the “most brilliant” advisor. Look for the person who is kind, who mentors you, lifts you up. And pro-tip: kind folks are usually the most brilliant.

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