Sebastien Rousseau

OPEN-SOURCE

Rust

Rust in banking infrastructure — memory safety, performance, and the ecosystem of crates relevant to financial workloads.

17 articles

INFRASTRUCTURE & CRYPTOGRAPHY

KyberLib and the Post-Quantum Banking Migration in 2026: From Standards to Code

KyberLib turns the post-quantum banking migration from policy paper into inspectable Rust — FIPS 203 ML-KEM key encapsulation, hybrid classical-plus-quantum handshakes, no_std compilation for HSMs, crypto-agile abstraction boundaries, and the DORA Article 5 governance evidence boards now need.

APPLIED AI

Quantum Lattice Crypto: Bug in Chen's LWE Attack

Following my recent article on the [Challenges in Quantum Algorithms for Lattice-Based Cryptography][00], I am compelled to provide an update on the latest developments in [Yilei Chen's research…

APPLIED AI

RustLogs (RLG): Structured Logging Library for Rust

In the world of software development, logging plays a crucial role in understanding the behaviour of an application, diagnosing issues, and ensuring smooth operation. Rust, a systems programming…

APPLIED AI

Alien Studio: My Tech-to Art Journey in Photography

2023 was a year of profound transformation and realisation. Motivated by curiosity and a drive to innovate, I delved into cutting-edge technology, including [Rust ⧉][06], [AI ⧉][07], and [Quantum…

APPLIED AI

KyberLib: Rust CRYSTALS-Kyber for Post-Quantum

KyberLib is a Rust-based library that protects your data from the potential threat of quantum computing. Built upon the CRYSTALS-Kyber algorithm, KyberLib delivers exceptional security,…

APPLIED AI

LibMake: Rust Library Scaffold Generator

LibMake is an open-source Rust CLI tool that generates a complete library scaffold from a single command or a TOML/YAML config file — producing Cargo.toml, a doc-commented src/lib.rs, integration test and benchmark harnesses, and a GitHub Actions CI workflow covering stable/beta/nightly Rust, clippy, rustfmt, and cargo-audit.

APPLIED AI

Static Site Generator: Fastest Rust-Based SSG

In the ever-evolving digital landscape, speed and quality are of paramount importance. I was determined to find a way to quickly generate static websites that showcase high quality, accessibility,…

APPLIED AI

Automating ISO 20022 Payment Files Creation with pain001

pain001 is an open-source Python library that generates ISO 20022 pain.001.001.09 (CustomerCreditTransferInitiation) XML from CSV or SQLite input, validates output against the XSD schema, and computes CtrlSum and NbOfTxs automatically — supporting both SEPA SCT and CBPR+ cross-border message formats.