Chris Boyle
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The puzzle of the cancel button

10 March 2022   🏷 android 🏷 security

Regular readers will know I’m responsible for the Android port of Simon Tatham’s Puzzles, and that it’s been a few years since I updated it. I’ve just discovered a dilemma that will unfortunately complicate the process further.

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Passwordless disk encryption on Linux

16 October 2020   🏷 security

My Linux installation is encrypted but boots without a password. Here’s how that works.

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GnuPG, 4096-bit keys and OpenPGP cards

28 February 2011   🏷 gnupg 🏷 security

I’m now the proud owner of a Crypto Stick, an OpenPGP smartcard implementation in USB stick form. It is apparently capable of generating and using 4096-bit keys, but GnuPG has a limit of 3072 bits (quick tests and git master show this is still the case).

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Recent Posts

  1. The puzzle of the cancel button
  2. Hello, Hugo!
  3. Passwordless disk encryption on Linux
  4. Two years in the sky
  5. ScanSnap iX100 + Android hotspot

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