London’s top-secret BT Tower revealed (23 years ago today)

On this day, Friday 19th February 1993, Ms. Kate Hoey (member of parliament for Vauxhall, London) used ‘Parliamentary Privilege‘ (which provides immunity from prosecution under the Official Secrets Act) to reveal the existence of a previously secret high-tech installation in central London. “Hon. Members have given examples of seemingly trivial information that remains officially secret. […]

They gamely plant a secret password in the participant’s brain

They gamely plant a secret password in the participant’s brain, they say, in this presentation: “Neuroscience Meets Cryptography: Designing Crypto Primitives Secure Against Rubber Hose Attacks,” Hristo Bojinov [Stanford University], Daniel Sanchez and Paul Reber [Northwestern University], Dan Boneh [Stanford University], Patrick Lincoln [SRI], 21st USENIX Security Symposium, August 8-12, 2014, Bellevue, Washington. (Thanks to […]

Comparing (almost) identical papers – a steganographic exercise

As those keen on encryption and decryption will know, there are quite a few documented methods by which ‘secret’ messages can be concealed within apparently straightforward-looking chunks of text. Indeed, the original meaning of the word ‘Steganography‘ is simply ‘concealed writing’. For example, two blocks of text which at first glance appear alike can have […]