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| //([[about|About this wiki]])// **[[Gpg4win|-> Gpg4win-Section]]** **[[WKD| -> Web Key Directory and Service]]**, which makes exchanging crypto mails much easier. ==What is GnuPG/Gpg4win? Gnu~PG is a software for the encryption of emails and files that runs on Linux and Windows. It is also included in Gpg4win which was developed especially for Windows. Gpg4win is a bundle of software and beside Gnu~PG it contains for example an addon for Outlook and Kleopatra which allows users to manage their keys and do other tasks in a graphical user interface. |
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| * 2021-12-21 [[https://www.gpg4win.de/version4.html|Gpg4win 4]] released, a major update. It includes Gnu~PG 2.3 for the first time and this means [[ECC]] is the default for new key-pairs. | |
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| for Gpg4win that is approved for EU RE~STR~ICT~ED communication. (Gnu~PG.com is a brand of g10code the main developer of Gnu~PG and Gpg~4win.) | for Gpg4win that is approved for EU RE~STR~ICT~ED communication. (Gnu~PG.com is a brand of g10code the main developer of Gnu~PG and Gpg~4win.) |
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| == What are GnuPG and Gpg4win? GnuPG is a Free Software for encrypting and signing emails and files. It runs on GNU/Linux, Windows, Mac~OS and other operating systems. [[Gpg4win]] is a software bundle for Windows that includes Gnu~PG and additional software: * An add-in for Outlook to handle crypto emails. * An add-in for Explorer to handle files. * Kleopatra, a graphical interface to manage keys (and offer some expert functions). == Get help ====Documentation [[documentation|Documentations]] can help you to accomplish your tasks or find a solution for your problems. ====Troubleshooting Sometimes you may face different problems. The [[TroubleShooting|Trouble Shooting section]] shows possible solutions to solve them (mainly for Gpg4win on Windows). ==Your help in this wiki is highly appreciated! This forum is a community project and many different projects are working on it. You are invited to join us! If you find misspellings or outdated information feel free to fix them. For more ideas to contribute you can visit [[improveThis|this page]]. \\\\If you want to read more about the background of this wiki [[about|this]] is the right place. |
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| * [[https://vimeo.com/86736532|Wie funktioniert E-Mail-Verschlüsselung mit PGP?]] Video, 3:35min (German video about how email encryption with Open~PGP works) | |
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| * [[documentation|Documentation Overview]] | |
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| * TroubleShooting: What to do when something doesn't work (mainly on Windows for Gpg4win) | |
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| * **[[WKD|Web Key Directory and Service]], which makes exchanging crypto mails much easier**. | |
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| * Implemented [[https://datatracker.ietf.org/doc/draft-koch-openpgp-2015-rfc4880bis/|OpenPGP specification]]. | |
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| * API checker: [[http://upstream-tracker.org/|Upstream-Tracker.org]] checks ABI/API changes for some libraries like [[http://upstream-tracker.org/versions/gpgme.html|gpgme]], [[http://upstream-tracker.org/versions/libgpg-error.html|libgpg-error]], [[http://upstream-tracker.org/versions/libgcrypt.html|libgcrypt]]. |
* API checker (last updated 2020?) [[https://abi-laboratory.pro/index.php?view=abi-tracker|ABI laboratory]] checks ABI/API changes for some libraries like [[https://abi-laboratory.pro/?view=timeline&l=gpgme|gpgme]], [[https://abi-laboratory.pro/index.php?view=timeline&l=libgpg-error|libgpg-error]], [[https://abi-laboratory.pro/index.php?view=timeline&l=libgcrypt|libgcrypt]]. |
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Notable Events
- 2021-12-21 Gpg4win 4 released, a major update. It includes GnuPG 2.3 for the first time and this means ECC is the default for new key-pairs.
- 2021-04-08: GnuPG 2.3.0 released, a major release with new crypto algorithm defaults and faster pubkey storage.
- 2020-01-07: GnuPG.com starts offering paid support for Gpg4win that is approved for EU RESTRICTED communication. (GnuPG.com is a brand of g10code the main developer of GnuPG and Gpg4win.)
- 2019-04-30: About detecting spoofed email signatures a writeup by GnuPG/Gpg4win
What are GnuPG and Gpg4win?
GnuPG is a Free Software for encrypting and signing emails and files. It runs on GNU/Linux, Windows, MacOS and other operating systems.
Gpg4win is a software bundle for Windows that includes GnuPG and additional software:
- An add-in for Outlook to handle crypto emails.
- An add-in for Explorer to handle files.
- Kleopatra, a graphical interface to manage keys (and offer some expert functions).
Get help
Documentation
Documentations can help you to accomplish your tasks or find a solution for your problems.
Troubleshooting
Sometimes you may face different problems. The Trouble Shooting section shows possible solutions to solve them (mainly for Gpg4win on Windows).
Your help in this wiki is highly appreciated!
This forum is a community project and many different projects are working on it. You are invited to join us! If you find misspellings or outdated information feel free to fix them. For more ideas to contribute you can visit this page.
If you want to read more about the background of this wiki this is the right place.
GnuPG for Users
- Wie funktioniert E-Mail-Verschlüsselung mit PGP? Video, 3:35min (German video about how email encryption with OpenPGP works)
- Hints for EMailClients/Thunderbird users.
- LargeKeys: How many bits are enough?
- WebOfTrust: Understanding the web of trust
- GnomeKeyring: What to do when Gnome Keyring Hijacks your GPG Agent
- PlatformNotes - what to be aware of when using or administrating GnuPG on different platforms.
- X.509 hints (needed for S/MIME and trusted root certs)
- SmartCard hints
- Wishlist Where to submit feature requests
- Applications using GnuPG
- Tools that may help running or administrating GnuPG or Gpg4win
- EMailClients/Screenshots
- LDAPKeyserver: How to configure OpenLDAP as a keyserver.
- Hints for use with NFS
- How to use local secrets on a remote machine
GnuPG for Developers
- Web Key Directory and Service, which makes exchanging crypto mails much easier.
- Suggestions for common UX practices
- How to use GnuPG from your application (GnuPG's API)
- Implemented OpenPGP specification.
- BuildingFromGIT
- Building GnuPG 2.1: GnuPG 2.1 is the latest GnuPG version but as with all 2.x versions it has several dependencies, which make building it a bit more difficult. Here are some notes.
- API checker (last updated 2020?) ABI laboratory checks ABI/API changes for some libraries like gpgme, libgpg-error, libgcrypt.
Note that the tools can't necessary decide whether something is an ABI or API change. The output should be used as a hint to look for whether there might be a problem. We are not aware of any broken API or ABI contracts for the listed libraries.
- SignatureHandling
- DevelopingKleopatra
- NTBTLS (Not too bad TLS) client library
- OtherResearch
Other OpenPGP implementations/initiatives
Planning
- Tasks
- OpenPGPEmailSummits
- OpenPGP.conf, last conf was 8+9th of Sept, 2016.