Paranoid about your emails? Want to send them in one of the safest ways possible? Then this guide on using PGP encryption on Windows has everything you need. If you are looking for a background on PGP, who invented it, and how it works on a deeper level, head to our more extensive guide on PGP encryption and how it works. If you would prefer to dive straight in and start communicating securely, then stick around.
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Digital signatures make sure that it was not modified and comes from a specific sender. It is maintained by the developers of GnuPG. Gpg4win and the software included with Gpg4win are Free Software Open Source; among other things free of charge for all commercial and non-commercial purposes. The configuration of X. Security aware system administrators should read the step by step instructions and define a systems-wide list of trusted X. The default algorithm for signing and encrypting is RSA.
You can find technical details on the GnuPG page. You can select multiple files and folders to sign and encrypt them recursively into a gpgtar archive. Create and verify checksums of files - also directly from the Windows Explorer or Kleopatra. Gpg4win can create a unique checksum for each selected file, with which the integrity of these files can be verified any time later.
Both creation and verification of these cryptographic checksums hashes are carried out in an analogous manner in the GUI. Attachments can be encrypted as well, in one go with the email body. Verifying signatures and decrypting messages is done directly in Outlook too. The selection of the right email certificate is a function of Kleopatra - based on the corresponding email address. Kleopatra shows the automated pre-selection of certificates in the following dialog.
Download Specs. Last updated:. December 17, Gpg4win Project. User rating:. Found a bad link? Help us by reporting it. Gpg4win is an installer for Windows and contains several Free Software components: GnuPG: The core; this is the actual encryption tool.
Claws Mail: A complete email application with crypto support. Gpg4win Compendium: The documentation for beginner and advanced users , available in English and German. Checksums Create and verify checksums of files - also directly from the Windows Explorer or Kleopatra. User-friendly Certificate Selection The selection of the right email certificate is a function of Kleopatra - based on the corresponding email address.
Search Downloads. Tor Browser. Microsoft Security Essentials Update. Microsoft Windows Defender Update. John the Ripper. Symantec Cleanwipe Removal Tool.
The "Novices" and "Advanced Users" handbooks have been combined for this second version under the name "Compendium". In Version 2, Gpg4win includes the following programs:. GnuPG can be used privately or commercially without any restrictions. The encryption technology used by GnuPG is secure, and cannot be broken based on today's state of technology and research. GnuPG is Free Software 2. That means that each person has the right to use this software for private or commercial use. Each person may and can study the source code of the programs and - if they have the required technical knowledge - make modifications and forward these to others.
1 Gpg4win - Cryptography for Everyone
This page is intended for feature ideas and descriptions that could be implemented in the future. Kleopatra Ability to append signatures to an existing. Support or technical preconditions for supporting Windows 10 Mail. Won't happen because Microsoft controls this store and may add new certificates without notice. While it is correct that Microsoft controls this store this is basically the baseline system trust so you might also want to use it for certificates as attacks are already possible when an attacker controls such a certificate you won't lower security but you would improve usability. Email client with MIME support will already display it.
How to use PGP encryption on Windows for free
The security of your data is the most important thing. The focus of Gpg4win is on secure file and email encryption as well as good usability. The configuration of X. Security aware system administrators should read the step by step instructions and define a systems-wide list of trusted X. The default algorithm for signing and encrypting is RSA. You can find technical details on the GnuPG page. You can select multiple files and folders to sign and encrypt them recursively into a gpgtar archive.