While most people might not know what PGP encryption is, almost everyone with access to an email account uses it regularly. It’s one of the most popular ways to digitally sign, encrypt or decrypt emailed documents, adding an additional level of security of email communications. But what might sound like a fairly dry and mundane tool has a history fraught with intrigue, peril, spy agencies and very real threats to the creator, a computer scientist named Phil Zimmerman.

Read the rest of this post »