chelsea komlo

@chelseakomlo

I like building things that matter. Software developer, open source & cryptography.

Joined May 2009
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  1. Retweeted
    Apr 4

    Wycheproof just released tons of test vectors for many crypto primitives: . Now one can test any crypto libraries, not just Java

    7 replies 123 retweets 234 likes
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  2. Retweeted
    Apr 3

    Things we fine-tuned: * XSalsa for bulk crypto (also KMS). * Sure whatever you can use argon2. * We wouldn’t use deterministic DSA anymore. * Rewrote the DH section. I blame Colin. * Just use OpenSSL. * Elite new backup recommendation.

    Cryptographic Right Answers:
    6 replies 35 retweets 96 likes
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  3. Retweeted
    Mar 31
    Replying to

    Let me be more specific: I'm willing to prepare two artisanally-crafted crypto challenges for the low price of $10,000 (each) donated to the Great Slate. That's $20k total.

    1 reply 8 retweets 16 likes
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  4. Retweeted
    Mar 30

    Anybody in my TL interested in learning how to break elliptic curve crypto? How about key recovery attacks on GCM, the most important AEAD construction? How do you feel about flipping the House in 2018?

    6 replies 42 retweets 140 likes
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  5. Retweeted
    Mar 31

    Over $115k raised in 1 day for progressive candidates. I’m astounded. Please keep it up for 6 more hours!

    7 retweets 7 likes
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  6. Retweeted
    Mar 29

    Good article in Nature on the need for more women in Cybersecurity.

    6 replies 37 retweets 66 likes
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  7. Retweeted
    Mar 29

    Just so all journalists know: Part of what this alleged FBI whistleblower is accused of leaking is the FBI's secret rules for targeting *reporters* with National Security Letters. It's an outrage these rules are considered "secret." Here they are:

    5 replies 237 retweets 256 likes
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  8. Retweeted
    Mar 23

    Facebook, Google, Cisco, WhatsApp and other industry partners get together to create Message Layer Security as an open standard for end-to-end encryption with formal verification. Messaging Layer Security is now an IETF working group as well.

    1 reply 6 retweets 25 likes
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  9. Retweeted
    Mar 26

    Yonatan, as usual, is totally right about corp/gov power here. In this case, is also being misleading:

    Some context about what's going on here. TL;DR: ICE is using Facebook records to track people down. This isn't because Facebook is doing something wrong; this is legally compelled disclosure. And it highlights some common misconceptions about corporate power. 1/
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    6 replies 51 retweets 106 likes
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  10. Retweeted
    Mar 26

    Wow. Brilliant new technical details here. Gizmodo has found the code. Proof that AIQ - the company which worked for Vote Leave in Brexit - built Cambridge Analytica's tech. Also Ted Cruz's and the Osnovo party in Ukraine. via

    141 replies 3,615 retweets 3,950 likes
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  11. Retweeted
    Mar 22

    Great piece: "if you played Cow Clicker, even just once, I got enough of your personal data that, for years, I could have assembled a reasonably sophisticated profile of your interests and behavior. I might still be able to; all the data is still there"

    2 replies 200 retweets 159 likes
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  12. Retweeted
    Mar 25

    Facebook has been collecting call history and SMS data from Android devices. iOS devices are not affected.

    1 reply 66 retweets 44 likes
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  13. Retweeted
    Mar 23

    The BoF video that covers the proposed architecture and protocol for the new Messaging Security Layer

    2 replies 9 retweets 5 likes
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  14. Retweeted
    Mar 22

    It's official: Tacked onto the end of the is a 32-page bill that radically changes the way foreign governments can get electronic data from U.S. companies.

    Looks like they’re still finding new crap to stuff into this trillion-dollar bill nobody will read before voting.
    37 replies 369 retweets 445 likes
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  15. Retweeted
    Mar 18

    Here’s what people really want from tech: • Instagram – chronological timeline • Spotify – let us block artists • Amazon – don’t create an inescapable surveillance panopticon • Facebook – don’t end democracy • Snap – more filters

    485 replies 13,991 retweets 50,840 likes
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  16. Retweeted
    Mar 19

    Top 8 Ways Facebook Irresponsibly Handled Your Data. Section 7a Will Make You Consult 15 U.S.C. § 45!

    in other news facebook is fuuuuuuuuuuuuuuucked
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    1 retweet 8 likes
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  17. Retweeted
    Mar 18

    If you want to delete Facebook, go ahead. Just know that's a privilege. For much of the world, Facebook is the internet and only way to connect to family/friend/business. That's why its important to have a real discussion re Facebook's security/privacy issues.

    424 replies 2,363 retweets 6,754 likes
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  18. Retweeted
    Mar 14

    The slow creep of Internet shutdowns: "The is becoming less about personal data integrity but more about national security and political control," says Internet Society's

    1 reply 36 retweets 36 likes
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  19. Retweeted
    Mar 13

    "an array of hidden manufacturer backdoors inside AMD's Promontory chipsets."

    “Severe Security Advisory on AMD Processors” (aka “AMDFLAWS”) via
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    4 replies 34 retweets 35 likes
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  20. Retweeted
    Mar 13

    Here is a write-up I recently posted on post-quantum authenticated key exchange using SIDH and SIKE:

    [New] A Note on Post-Quantum Authenticated Key Exchange from Supersingular Isogenies (Patrick Longa)
    2 replies 17 retweets 24 likes
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