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 9580.

Jan 17, 2025 · This document contains all the necessary information to develop interoperable applications based on the OpenPGP format. It describes the format and methods needed to read, …

Sep 29, 2024 · OpenPGP is a non-proprietary format for authenticating or encrypting data, using public key cryptography. It is based on the original PGP (Pretty Good Privacy) software, created by Phil …

Jul 30, 2025 · All email applications on this page support the OpenPGP standard either directly or with additional software. The authors of this webpage are not actively participating in the development of …

Jun 10, 2025 · Email Encryption Gpg4win Gpg4win initiative does not only offer email encryption but a whole suite of tools. It can also be used for file encryption directly in the file explorer. Gpg4win is also …

Aug 2, 2024 · The OpenPGP protocol defines standard formats for encrypted messages, signatures, private keys, and certificates for exchanging public keys. It is based on the Pretty Good Privacy …

OpenPGP for application developers teaches the internal concepts of OpenPGP. The text is aimed at application developers and is intended as a complement to the standards documents.

Jan 14, 2025 · All applications on this page implement the OpenPGP standard. The authors of this webpage are not actively participating in the development of each of these third-party apps.

Enigmail is an OpenPGP plugin for SeaMonkey project and Postbox (and formerly for Thunderbird). It uses keys.openpgp.org by default since version 2.0.12. Full support is available since Enigmail 2.1: …

Dec 30, 2021 · The software stores your OpenPGP certificates and keys. It is available for Windows and Linux. In association with the KMail email client, you can also take advantages of the cryptographical …