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Latest posts

Last updated about 1 month ago

Benchmarking RSA Key Generation

about 1 month ago

RSA key generation is both conceptually simple, and one of the worst...

frood, an Alpine initramfs NAS

2 months ago

My NAS, frood, has a bit of a weird setup. It’s just...

Accumulated Test Vectors

4 months ago

I like tests. I especially like reusable test vector libraries. Sometimes test...

The FIPS Compliance of HKDF

4 months ago

HKDF is an HMAC-based key-derivation function specified in RFC 5869. It’s nice...

Let’s All Agree to Use Seeds as ML-KEM Keys

6 months ago

Last week, NIST published the final version of the ML-KEM[1] specification, FIPS...

age Plugins

7 months ago

age is a file encryption tool, library, and format. It lets you...

Geomys, a blueprint for a sustainable open source maintenance firm

7 months ago

In 2022, I left Google in search of a sustainable approach to...

XAES-256-GCM

7 months ago

About a year ago I wrote that “I want to use XAES-256-GCM/11...

My Maintenance Policy

10 months ago

I wrote a short document describing how I maintain open source projects...

A Cryptographic Near Miss

almost 2 years ago

Go 1.20.2 fixed a small vulnerability in the crypto/elliptic package. The impact...

Planning Go 1.21 Cryptography Work

almost 2 years ago

As most of you are tired to hear by now, I am...