David Wong mimoo

🦀

求同存异

Security Engineer @ Blockchain Facebook Previous: Cryptography Services @ NCC Group

564 followers · 1 following · 144

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Arctic Code Vault Contributor

mimoo/README.md

😳 Hello you!

I'm David Wong, a security engineer on the Libra blockchain at Facebook. Previously I was at Cryptography Services (NCC Group). I'm currently writing a book called Real-World Cryptography. You can find more about what I do on my crypto blog cryptologie.net or my portfolio davidwong.fr.

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libra/libra

Libra’s mission is to enable a simple global payment system and financial infrastructure that empowers billions of people.

Rust 15.3k 2.3k
Diffie-Hellman_Backdoor

How to backdoor Diffie-Hellman

Python 553 69
RSA-and-LLL-attacks

attacking RSA via lattice reductions (LLL)

TeX 445 105
disco

a protocol to encrypt communications and a cryptographic library based on Disco

Go 170 14
timing_attack_ecdsa_tls

Timing Attack on TLS' ECDSA signature

TeX 34 10
NoiseGo

An implementation of Noise in Go

Go 36 7

1,101 contributions in the last year

Contribution activity

October 2020

Created a pull request in libra/libra that received 11 comments

Oct 7

[libra-mutex] introduce wrapper around std mutex

This PR takes the same approach @AnomalRoil took with libra-time: hide the panic under an API that is infallible. The same way unsafe interfaces ca…

+292 −336 • 11 comments

[fuzzing] split fuzzer scripts in multiple scripts for usability, also remove dead-link flag Oct 23
[consensus] implementing more granular logging when receiving a proposal Oct 22
[backup-cli] removing dirs crate due to RUSTSEC-2020-0053 Oct 22
[backup-cli] removing dirs crate due to RUSTSEC-2020-0053 Oct 20
TEST Oct 20
[TCB] building the TCB with overflow checks Oct 15
[integer-overflow] enforce some checked operations Oct 14
[security] adding checked arithmetic to the coding guidelines Oct 14
Cargo.toml fix (versino -> version) Oct 14
[proofs] fix integer overflow Oct 8
[json-rpc] fix fuzzing harness Oct 8
[libra-infallible] introduce a wrapper for std::sync::Rwlock Oct 8
TEST Oct 8
rust version 1.46.0 Oct 8
TEST Oct 8
[cluster-test] removing infinite recursion in Debug implementation Oct 7
experiment on std mutex -> parking_lot Oct 7
[clippy] warn on non-checked integer arithemtic Oct 2
[json-rpc] update the README Oct 1

Add Henry de Valence Oct 25

Created an issue in rust-lang/rust-clippy that received 4 comments

Oct 23

integer_arithmetic rule is too simplistic and is triggered even when arithmetic operations are applied to constants/literals that cannot cause overflow or panic

Hello, the following code triggers the integer-arithmetic rule: warning: integer arithmetic detected --> client/json-rpc/src/blocking/client.rs:89:…

4 comments

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David Wong mimoo

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