Gmail encryption: Everything you need to know | Computerworld
Apr 27, 2017 OpenPGP OpenPGP is the most widely used email encryption standard. It is defined by the OpenPGP Working Group of the Internet Engineering Task Force (IETF) as a Proposed Standard in RFC 4880.OpenPGP was originally derived from the PGP software, created by Phil Zimmermann. How to Encrypt an Android Phone to Keep Information Safe
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