The first session is about TLS, which is near and dear to my heart. Chaired by @kennyog.
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First talk: The Era of TLS 1.3: Measuring Deployment and Use with Active and Passive Methods by Johanna Amann (presenting) et al. Rapid and early adoption among big players on the server (Facebook, Google, Cloudflare) and client-side (browsers, mobile), slower in the long tail.pic.twitter.com/0Ka5RwyEXo
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More details about their work measuring the deployment of TLS 1.3 in the paper: https://www.semanticscholar.org/paper/The-Era-of-TLS-1.3%3A-Measuring-Deployment-and-Use-Holz-Amann/4967f0141d96ff9254fca7a4961372561da2ba24#paper-header …
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Second: The 9 Lives of Bleichenbacher's CAT: New Cache ATtacks on TLS Implementations by
@eyalr0 and others. Bleichenbacher's 1998 attack on RSA (with PKCS#1 v1.5) strikes again, this time using microarchitectural side channels. https://eprint.iacr.org/2018/1173#realworldcryptopic.twitter.com/649QveDcJq
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Session 2: Symmetric Cryptography I, chaired by Bart Preneel. Symmetric cryptography has been around for centuries and we’re still finding out new constructions and new attacks.
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Attacks only get better: The case of OCB2 by Tetsu Iwata Multiple practical attacks on the OCB2 cipher mode (which is an ISO standard). An active adversary can create universal forgeries and do full plaintext recovery. Broken proof. https://eprint.iacr.org/2019/311
#realworldcryptopic.twitter.com/lEmNTMqSmT
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All on Deck! Joan Daemen, Seth Hoffert,
@docgcrypto (from@KeccakTeam) Permutation-based cryptography is an alternative to tweakable block ciphers. They have beyond-birthday-bound security and simple security analyses, preventing issues like that in OCB2.#realworldcryptopic.twitter.com/rXCd7zosY6
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Only one talk in the Policy session chaired by
@KazueSako. The Evolving Crypto War by@granick. No slides, but a powerful explanation of the recent (last 2 years) trends in encryption policy.#realworldcrypto1 reply 0 proslijeđenih tweetova 4 korisnika označavaju da im se sviđaPrikaži ovu nit -
Next is E-Voting, chaired by
@KazueSako. Two talks: Weaknesses in the Moscow internet voting system by Pierrick Gaudry https://golovnev.org/papers/election.pdf … This is not a proof: Pitfalls in real-world verifiable elections by@SarahJamieLewis,@pereiraucl,@VTeagueAus https://www.computer.org/csdl/magazine/sp/2019/04/08755955/1bojQFTL16M …1 reply 1 proslijeđeni tweet 3 korisnika označavaju da im se sviđaPrikaži ovu nit -
Helena Handschuh is now chairing the Hardware session. "Everybody be cool, this is a robbery!" from Jean-Baptiste Bédrune: hardware hacks on HSMs and more, mostly memory corruption. HSMs are like WWII tanks in a world that has moved on to unmanned drones.
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TPM-Fail: TPM meets Timing and Lattice Attacks by @danielmgmi, @berksunar, @tomcrypt, and @nadiaheninger.
This attack leverages secret-dependent execution time in Trusted Platform Modules (TPMs) to extract keys. Are you sensing a theme?
https://tpm.fail/ #realworldcrypto
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Last talk of the day: Protecting Memory Contents on ARM Cores by Avanzi Roberto-Maria and others. Tweakable block ciphers, morphable counters and other new techniques to protect memory with low perf overhead. We'll see, there have been some impressive attacks over the years.
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Nick Sullivan je proslijedio/a tweet korisnika/ceNick Sullivan
Day 2 has started. Thread below.
#realworldcryptohttps://twitter.com/grittygrease/status/1215281229450424321 …Nick Sullivan je dodan/na,
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