(Ab)using technology for fun & profit.

Code accompanying my blog https://kerkour.com

2023

• Breaking SHA256: length extension attacks in practice

2022

• Hostname based router with axum in Rust
• The foundations of end-to-end encryption: Key exchange
• The foundations of end-to-end encryption: domain separation
• How to securely encrypt a file with an insecure password in Rust (using Streaming Encryption + Argon2)
• Secure and immutable development environments with Dev Containers

2021

• 4 ways to read a file in Rust
• How to encrypt a file in Rust (Using streaming AEAD encryption)
• Benchmarking symmetric encryption (AEAD) in Rust
• Building a static site generator in 100 lines of Rust
• Reproductibe cross-compilation for Rust (with Docker)
• Rust on ESP32
• How to implement HTTP Long Polling in Go
• How to implement HTTP Long Polling in Rust
• How to Write and Compile Shellcode in Rust
• How to build a job queue with Rust and PostgreSQL
• How to sort a vector in Rust
• How to deal with large Cargo workspaces in Rust
• Rust, How to convert String to Int and Int to String
• A fast port scanner in 100 lines of Rust
• 15k inserts/s with Rust and SQLite
• How to deploy Rust on Heroku (with Docker)
• How to implement worker pools in Rust
• How to create small Docker images for Rust
• How to execute shellcodes from memory in Rust
• How to send emails with Rust