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Category Archives: security

Underhanded C: The Leaky Redaction

So, it turns out I am the winner of the 2008 Underhanded C Contest. The goal of the contest is to write some straightforward C code to solve a simple task, incorrectly. In particular, you had to introduce a hidden security flaw that would stand up to code review and not stand out at all. [...]

Posted 20 November 2009 † john § C § hacks § Programming ‡ Comments (30) °

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 § ‡ Comments (1) ° Tagged: , , ,