Crypto

  • CipherSmith: a browser-based crypto toolkit
    May 6, 2026 ·

    For years I had a small private page on my machine with a bunch of hacky tools for day-to-day crypto work. Hashing a string, base64 encoding something, generating a random key. Nothing fancy. Just …

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  • Verifying your age in a privacy preserving manner
    Apr 27, 2026 ·

    There is a lot going on in the world regarding age verification. Why does every website or operating system (and possibly later: smart appliances like your fridge??) need to know your age? While I …

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