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Samuel Dobson @meshcollider

PhD (mathematics) from @AucklandUni Aotearoa | New Zealand Joined September 2014
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Samuel Dobson retweeted
hrdng Profile Picture

David A. Harding @hrdng

2 years ago

If you generated a wallet using Libbitcoin's Bitcoin Explorer, including as described in the appendix to Mastering Bitcoin, your funds are at risk (or already stolen). Full details: milksad.info

Samuel Dobson retweeted
EllipticKiwi Profile Picture

Steven Galbraith @EllipticKiwi

3 years ago

Starting next week: VaNTAGe seminar series on isogeny-based cryptosystems sites.google.com/view/vantagese…

Samuel Dobson retweeted
Leptan Profile Picture

Tancrède Lepoint @Leptan

3 years ago

Next version of Bouncy Castle will also include CRYSTALS-Kyber, CRYSTALS-Dilithium, Falcon, and other algorithms! It is available as beta right now at downloads.bouncycastle.org/betas/ 🎉. A great way to experiment (with care!) with the schemes being standardized by NIST.

bccrypto Profile Picture

bouncycastle @bccrypto

3 years ago

Next version of Bouncy Castle will also include CRYSTALS-Kyber, CRYSTALS-Dilithium, Falcon, and other algorithms! It is available as beta right now at downloads.bouncycastle.org/betas/ 🎉. A great way to experiment (with care!) with the schemes being standardized by NIST. https://t.co/duiGW9HSU6

Samuel Dobson retweeted
FouotsaB Profile Picture

Tako Boris Fouotsa 🇨🇲 @FouotsaB

3 years ago

In this preprint, in order to counter the Castryck-Decru attack (and derivatives), we suggest to use a fixed degree, but then mask only the torsion point information. How do we do that and why is this worth exploring? A thread! 1/n

IACR_News Profile Picture

IACR @IACR_News

3 years ago

In this preprint, in order to counter the Castryck-Decru attack (and derivatives), we suggest to use a fixed degree, but then mask only the torsion point information. How do we do that and why is this worth exploring? A thread! 1/n

Samuel Dobson retweeted
durumcrustulum Profile Picture

Deirdre Connolly¹ @durumcrustulum

3 years ago

Not bad

IACR_News Profile Picture

IACR @IACR_News

3 years ago

Not bad https://t.co/XaEKqDmroU

Samuel Dobson retweeted
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Daniel 🦋 @d_feldman

3 years ago

In which a blogger finds the private key used to sign Hyundai car software updates … by googling it. They used a key pair from a popular tutorial. 😂😂😂

Samuel Dobson retweeted
GondoPloum Profile Picture

Damien Robert @GondoPloum

3 years ago

I just posted an updated and clarified version of my previous paper (which was too hastily written...) on breaking SIDH: eprint.iacr.org/2022/1038.pdf

Samuel Dobson retweeted
isogenies Profile Picture

Giacomo 🪿 @isogenies

3 years ago

It works!! Here's a @sagemath implementation of the SIDH Key Recovery attack of Castryck and Decru. Huge thanks to @oudomphe. Their insights allowed us to directly compute the image of points in the Jacobian through divisors. No Gröbner needed! github.com/jack4818/Castr…

Samuel Dobson retweeted
IACR_News Profile Picture

IACR @IACR_News

3 years ago

#ePrint An efficient key recovery attack on SIDH (preliminary version): W Castryck, T Decru ia.cr/2022/975

Samuel Dobson retweeted
EllipticKiwi Profile Picture

Steven Galbraith @EllipticKiwi

3 years ago

Congratulations to @meshcollider , who successfully defended his PhD thesis "Key Exchange and Zero-Knowledge Proofs from Isogenies and Hyperelliptic Curves" this morning.

Samuel Dobson retweeted
EllipticKiwi Profile Picture

Steven Galbraith @EllipticKiwi

4 years ago

On Thursday I am giving an online seminar on isogeny proofs of knowledge monash.edu/it/ssc/cyberse…

Samuel Dobson retweeted
ChristopherA Profile Picture

Christopher Allen @ChristopherA

4 years ago

This paper got less attention than I thought it would. Among its claims is that BIP32 (used extensively by Bitcoin but also many other blockchains) offers 91 bits of security. I always assumed some low n?<128, but not so low. Given BIP32 is a decade old it was overdue for review.

IACR_News Profile Picture

IACR @IACR_News

4 years ago

This paper got less attention than I thought it would. Among its claims is that BIP32 (used extensively by Bitcoin but also many other blockchains) offers 91 bits of security. I always assumed some low n?<128, but not so low. Given BIP32 is a decade old it was overdue for review.

Samuel Dobson retweeted
bcrypt Profile Picture

yan @bcrypt

4 years ago

when reading text in a non-native language & wondering how it's pronounced, u can enter this in devtools to have the browser pronounce it: u=new SpeechSynthesisUtterance(getSelection().toString());u.lang='ru-RU';speechSynthesis.speak(u) (replace 'ru-RU' with any BCP 47 tag)

Samuel Dobson retweeted
chris_belcher_ Profile Picture

belcher @chris_belcher_

4 years ago

An alpha version of my coinswap project is released! lists.linuxfoundation.org/pipermail/bitc… Doesnt have all the features yet, but works on regtest, signet and mainnet Imagine a new privacy tech for bitcoin, like coinjoin, but cant be blocked b/c the txes look exactly the same as regular txes

meshcollider Profile Picture

Samuel Dobson @meshcollider

4 years ago

PhD Thesis submitted✅🎉 Has been a great journey, thank you @EllipticKiwi for your excellent supervision! Now the wait for the examiners' reports begins 😎

EllipticKiwi Profile Picture

Steven Galbraith @EllipticKiwi

4 years ago

PhD Thesis submitted✅🎉 Has been a great journey, thank you @EllipticKiwi for your excellent supervision! Now the wait for the examiners' reports begins 😎 https://t.co/p1xsHqFf4B

Samuel Dobson retweeted
hillelogram Profile Picture

Inactive; Bluesky is @hillelwayne(dot)com @hillelogram

4 years ago

Why are you idiots using TOOLS? JUST👏BE👏BETTER👏CODERS👏

allenholub Profile Picture

Allen Holub. https://linkedIn.com/in/allenholub @allenholub

4 years ago

Why are you idiots using TOOLS? JUST👏BE👏BETTER👏CODERS👏

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