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Dirkjan Ochtman

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Latest posts

OxiSH: a modern, memory-safe SSH server

I'm happy to announce OxiSH , a modern, memory-safe SSH server that I've been working on for 20 months. OxiSH is written in Rust, with a safe sans-I/O protocol core and an abstraction for the underlying cryptography primitives. Why? Many large organizations have shown that up to 70% of security …

Rust maintenance in 2025

It has been 15 months since I left my job at a startup and decided to work on improving open source Rust software going forward. I started out trying to write monthly updates , but that proved too time-consuming. Instead, here's a summary of what I worked on in 2025, and …

October on GitHub (2024)

Since leaving my job at the end of August, I figured I would try to write up a report of most of the open source stuff I worked on (see previous month ). Turns out writing these is a lot of work, so it took me a while to write up …

September on GitHub (2024)

Since leaving my job at the end of August, I figured I would try to write up a report of all the open source stuff I worked on in September. Herewith a not quite complete account of things I was involved in. rustls rustls is a pure Rust implementation of …

Rust 2019: Ownership without fear

Like last year , the Rust community team asked community members to write blog posts "proposing goals and directions for 2019"; this is mine. Like withoutboats' post and Niko Matsakis' take , this post will focus on organizational issues. As such, the "ownership" from the title refers to a leadership principle, not …