British cryptographic hacking from WW2 – how well would *you* have done?
If you were taken prisoner and wanted to send messages home under your captors’ noses, what would you do?
Find out how a Royal Navy officer did just that during WW2, and have a go yourself at hiding a secret message in an innocent-sounding letter home!
Read more: British cryptographic hacking from WW2 – how well would *you* have done?
Story added 6. May 2013, content source with full text you can find at link above.