How do PGP and PEM differ?

Posted by Dummy Derp on Programmers See other posts from Programmers or by Dummy Derp
Published on 2012-09-06T18:31:04Z Indexed on 2012/09/06 21:51 UTC
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Filed under:

security

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email

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encryption

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privacy

Email messages are sent in plain text which means that the messages I send to Derpina are visible to anyone who somehow gets access to them while they are in transit.
To overcome this, various encryption mechanisms were developed.
PEM and PGP are two of them.
PEM -> canonically converts->adds digital signature->encrypts and sends
PGP does exactly the same.
So where do they differ?
Or is it that PGP (being a program) is used to generate a PEM message?

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