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Monthly Archives April 2009

newtype in C, a touch of strong typing using compound literals.

The ISO C 99 standard is a great thing. In addition to desperately needed things like a dedicated bool type and codifying a lot of universally implemented extensions to the language, it added some more subtle things such as compound literals. A compound literal allows you to use a C struct or union as an [...]

Posted 17 April 2009 † John Meacham § C § Haskell § Programming ‡ Comments (4) ° Tagged: , , , ,

On Biometrics and Passwords

It seems that whenever the topic of biometrics comes up there are some that can’t stop worrying about what will happen if someone gets ahold of your biometric data. After all, how hard is it to lift a fingerprint off a glass at a pub? Will using fingerprints for authentication mean you have to wear [...]

Posted 15 April 2009 † John Meacham § security ‡ Comments (1) ° Tagged: , , ,