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OpenPGP is on the Internet Standards Track and is under active development. Many e-mail clients provide OpenPGP-compliant email security as described in RFC 3156. The current specification is RFC 9580 (July 2024), the successor to RFC 4880. RFC 9580 specifies a suite of required algorithms consisting of X25519, Ed25519, SHA2-256 and AES-128.
Email encryption is encryption of email messages to protect the content from being read by entities other than the intended recipients. Email encryption may also include authentication. Email is prone to the disclosure of information. Most emails are encrypted during transmission, but they are stored in clear text, making them readable by third ...
GnuPG is a hybrid-encryption software program because it uses a combination of conventional symmetric-key cryptography for speed, and public-key cryptography for ease of secure key exchange, typically by using the recipient's public key to encrypt a session key which is used only once. This mode of operation is part of the OpenPGP standard and ...
The new version of the extension was released in May 2015. In August 2015, the email services of Web.de and GMX introduced support for OpenPGP encryption and integrated Mailvelope into their webmail applications for that. According to the company's own information, this option to encrypt e-mails in this way was available to around 30 million ...
Web of trust. In cryptography, a web of trust is a concept used in PGP, GnuPG, and other OpenPGP -compatible systems to establish the authenticity of the binding between a public key and its owner. Its decentralized trust model is an alternative to the centralized trust model of a public key infrastructure (PKI), which relies exclusively on a ...
Autocrypt is a cryptographic protocol for email clients aiming to simplify key exchange and enabling encryption. [citation needed] Version 1.0 of the Autocrypt specification was released in December 2017 and makes no attempt to protect against MITM attacks. [1] [non-primary source needed] It is implemented on top of OpenPGP replacing its ...
Some email services integrate end-to-end encryption automatically. OpenPGP is a data encryption standard that allows end-users to encrypt the email contents. There are various software and email-client plugins that allow users to encrypt the message using the recipient's public key before sending it.
Website. gpg4win.org. Gpg4win is an email and file encryption package for most versions of Microsoft Windows and Microsoft Outlook, which utilises the GnuPG framework for symmetric and public-key cryptography, such as data encryption, digital signatures, hash calculations etc.