Cryptography whizz Phil Zimmermann looks back at 30 years of Pretty Good Privacy

Cryptography whizz Phil Zimmermann looks back at 30 years of Pretty Good Privacy

Encryption and verification package Pretty Good Privacy (PGP) has celebrated a troubled 30 years of securing secrets and giving cypherpunks an excuse to meet in person, with original developer and security specialist Phil Zimmermann toasting a world where encryption is common but, he warns, still under threat.


"It was on this day (6 June) in 1991 that Pretty Good Privacy was uploaded to the Internet," Zimmermann wrote in a piece published over the weekend. "I had sent it to a couple of my friends for distribution the day before. This set in motion a decade of struggle to end the US export controls on strong cryptographic software.


"I became the target of a criminal investigation for violating the Arms Export Control Act by allowing PGP to spread around the world. This further propelled PGP's popularity. The ..

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