OpenPGP

OpenPGP is an open-source cryptographic protocol meant for encryption and authentication. Historically, the primary program implementing this protocol has been GnuPG.

Background

The OpenPGP standard has several implementations and applications.

GnuPG

The dominant software implementation of the OpenPGP specification in the 2010s. Website

Sequoia-PGP

Software that is a reimplementation of the OpenPGP specification as a simpler competitor to GnuPG. Website

PGPainless

PGPainless is a Java/Android software library designed for simplicity. Used by Android Password Store. Website

Yubico

Yubico manufactures the USB/NFC hardware token known as the Yubikey. Tokens can load up to 3 OpenPGP subkeys and emulate OpenPGP smartcard hardware.

See also

• Wikipedia:OpenPGP

External links

• bk4, reboil.com

Further reading

• A 2014-04-22 presentation by a Tom Lowenthal to the Stanford Law titled “Pretty Good Privacy Even when Someone's Listening”.