About This Video

“As soon as you’ve got something precious to hide, someone will want to steal it.” Science journalist Simon Singh sheds light on the dark nature of cryptography. He explains just how far back the field of cryptography goes, and just how long it has taken for even some of the simplest ciphers to be broken.
More from this series: Keeping Secrets

Image courtesy of Ray Pitt; Recorded June 2011; Posted September 2011