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Update: Symantec buys encryption specialist PGP for $300 million

Apr 30, 2010, 07:32 (0 Talkback[s])
(Other stories by Jeremy Kirk)

"PGP was founded by Phil Zimmermann who developed e-mail encryption software called "Pretty Good Privacy," which is still widely used today. After the software was published for free in 1991, Zimmermann was the target of a criminal investigation due to U.S. restrictions on the export of encryption technology.

"But under U.S. law, Zimmermann could publish PGP's cryptographic source code in a book, as restricting it would violate free speech rights. The source code was published, then the books were scanned using optical character recognition, according to Zimmermann's Web site. He founded PGP in 1996 after the government eventually dropped the case."

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