Did you know public key cryptography was first developed at GCHQ?

Invented by mathematicians in the 1970s, it was kept classified for years before the story came to light. Reid shares the fascinating hidden history of cryptography. The newly formed charity NSIST is uncovering many secrets like this through their work. Watch the full episode now on our channel. #CyberMadeHuman #Cryptography #CyberHistory #DigitalSecurity #InternetSecurity #GCHQ