![]() What if you meet your friend in person to share the key beforehand? That could work, right? It could, but then both of you have a key that allows to unlock the box. You decide to put a key lock on the box, but you realize that you have to send the key along with the box. You then put the paper in a box and send it by mail.Ī thief can easily steal the box and look at the paper that contains your credit card information. Imagine you want to send your credit card information to a friend and you write it on a piece of paper. PGP is very easy to understand, on the surface. It is another software tool that implements the OpenPGP standard. Today, PGP is “owned” by Symantec, but OpenPGP, an e-mail encryption standard, is implemented by multiple software. Zimmermann got into trouble with the US government in 1993 because PGP travelled international waters and reached a vast number of countries around the globe, violating US export restrictions for cryptographic software. He was an anti-nuclear activist, and wanted a way to transfer information securely over the Internet. What if somebody else sees the bank information I’m sending? Or even those dank memes that should not be spoken of?įortunately, there’s a pretty good solution to this problem: Pretty Good Privacy (PGP).Ī software engineer named Phil Zimmermann created PGP back in 1991. Sending sensitive information through the internet is always nerve-racking. By Radu Raicea How Pretty Good Privacy works, and how you can use it for secure communication Image credit: Mr.
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