Grandalf

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Gpg4win to zestaw zaawansowanych narzędzi do szyfrowania danych. Umożliwia zabezpieczanie przed niepowołanym dostępem plików i folderów oraz poczty elektronicznej. Praca z Gpg4win odbywa się w oparciu o 2 klucze - prywatny i publiczny. Pierwszy z nich wykorzystywany jest do szyfrowania danych, drugi z kolei trafić powinien do odbiorców wiadomości, którzy mogą uzyskać do niej dostęp. Klucz prywatny przechowywać należy w bezpiecznym miejscu i najlepiej gdy jest on dodatkowo zabezpieczony np. hasłem. Takie rozwiązanie nie jest niczym nowym w świecie kryptografii, jednak pozwala ograniczyć dostęp do naszych danych osobom trzecim, a również daje pewność, że podczas dostarczania do odbiorcy ich zawartość nie zostanie przez nikogo zmodyfikowana.


W skład pakietu wchodzą takie elementy jak narzędzie szyfrujące GnuPG, menadżer certyfikatów Kleopatra, alternatywny zarządca certyfikatów GPA, klient pocztowy Claws Mail, a także dwa pluginy pozwalające na integrację z oprogramowaniem Microsoft Outlook (w wersjach 2003, 2007, 2010 i 2013) oraz eksploratorem Windows. Gpg4win obsługuje standardy OpenPGP i S/MIME (X.509), tworząc domyślnie certyfikaty z wykorzystaniem kluczy o długości 2048 bitów. Standardowym algorytmem szyfrowania i podpisywania jest RSA. Dodatkowo pakiet pozwala także na generowanie i weryfikowanie sum kontrolnych SHA1, SHA256 oraz MD5.

Narzędzie nie należy do prostych w obsłudze i jego użycie zaleca się jedynie użytkownikom posiadającym odpowiednią wiedzę na temat kryptografii.
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Camel1965

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Gpg4win 3.1.16
Version 3.1.16 released 2021-06-11

  • GpgOL: Added support for encrypting Outlook elements such as forwarded mails or contacts and events. (
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    )
  • GpgOL: The "conflicting crypto preferences" warning now ignores more undocumented states. (
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    )
  • Kleopatra: Added a "Groups" feature where you can define recipient groups that can then be selected as a whole when doing operations. (
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    )
  • Kleopatra: Encryption works again with Windows shared file system paths. (
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    )
  • Kleopatra: The check for elevated execution is now only a warning and no longer a hard error. (
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    )
  • Kleopatra: The combined export of S/MIME and OpenPGP certificates has been improved. (
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    )
  • Kleopatra: Search no longer shows all results as uncertified. (
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    )
  • Kleopatra: Added support for additional CardOS Smartcards. (
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    )
  • Kleopatra: Automatically imports public keys for the inserted Smartcard from an Active Directory / LDAP Server. (
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    )
  • Kleopatra: The certify dialog now allows to certify a key as the certification authority for a specific domain. This enables Public Key Infrastructures where the certification is delegated. (
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    )
  • Kleopatra: The Smartcard view has been improved for better usability. (
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    )
  • Kleopatra: Complex LDAP Keyserver entries can now be entered without corruption. (
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    )
  • Kleopatra: Very large Archives no longer lead to crashes on decryption. (
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    )
  • Kleopatra: The performance when decrypting archives has been improved. (
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    )
  • Kleopatra: Encrypting folders with files larger then 4GB no longer leads to truncated archives. (
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    )
  • Kleopatra: Searching on LDAP / Active Directory for OpenPGP keys can now show multiple keys and shows details. (
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    )
  • GnuPG: Importing OpenPGP keys from LDAP no longer strips third party signatures. (
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    )
  • GnuPG: Files encrypted with S/MIME (CMS) but only with a password can now be decrypted.
  • GnuPG: Special characters (non 7bit) are now handled again. (
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    )
  • GnuPG: Updated to 2.2.28 See:
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Camel1965

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Gpg4win 4.0.3

Version 4.0.3 released 2022-07-12


GnuPG: 2.3.7
Kleopatra: 3.1.22
GPA: 0.10.0
GpgOL: 2.5.3
GpgEX: 1.0.9
Kompendium DE: 4.0.1
Compendium EN: 3.0.0
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Camel1965

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Gpg4win 4.2.0

Version 4.2.0 released 2023-07-14


  • Okular (GnuPG Edition): Gpg4win has been extended with the popular Okular PDF Viewer. Although our Okular version is currently considered experimental and therefore not installed by default, this provides the ability to legally sign and verify documents with the S/MIME certificates and smart cards GnuPG supports. The GnuPG Edition of Okular is optimized to be lightweight and to provide as little attack surface as possible. It does not support any active content like JavaScript or media files in PDF documents. It should therefore be more suitable in high security environments than other PDF readers. See:
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  • GnuPG: The new component "keyboxd" is now enabled by default for new users of Gpg4win. keyboxd stores certificates (public keys) in an sqlite database and keeps it in memory. The resulting performance improvement can be quite large especially for users with large keyrings. Adventuresome users can enable it manually: Select all certificates in Kleopatra and export them with a right click. Add a file %APPDATA%\gnupg\common.conf with the contents "use-keyboxd" (without the quote marks), then restart Kleopatra and import your certificates again. As usual we caution to make a backup of the %APPDATA%\gnupg directory before modifying files in there. To switch back to the old behavior, add a "#" character in front of the "use-keyboxd" and restart Kleopatra. Where applicable you have to export the certificate before and import them again after the restart.
  • mkportable has been removed. Please see:
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    on how to create a portable version of Gpg4win.
  • Kleopatra: Folder encryption and decryption (gpgtar) has been completely reworked so that it now has roughly the same performance as on the command line. The new architecture also allows for further performance improvements in the future and is much more robust. And solves several issues. [
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    Zaloguj lub Zarejestruj się aby zobaczyć!
    Zaloguj lub Zarejestruj się aby zobaczyć!
    et.al.]
  • Kleopatra: The progress indicator now also works for very large data files. [
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    ]
  • Kleopatra: It is now possible to rename the output file, if a file with the same name already exists, instead of just overwriting or canceling. [
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    ]
  • Kleopatra: It is now offered to delete the secret key on the computer after it was successfully transferred to a smart card. [
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    ]
  • Kleopatra: Added warnings when your certificate or other certificates in your keyring are about to expire. The warnings are configurable and should allow a smoother switch to a new or extended certificate. [
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    ]
  • Kleopatra: The Notepad now also uses the last chosen certificates for signing and self-encryption as default. The values are shared with file encryption.[
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    ]
  • Kleopatra: The startup time of Kleopatra has been slightly improved. [
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    ]
  • Kleopatra: The certificate selection input and dropdown fields are now alphabetically sorted. [
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    ,
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    ]
  • Kleopatra: Backed up subkeys can now be restored through the UI even when they were used from a smart card in between. [
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    ,
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    ]
  • Kleopatra: For certifications of public keys it is now possible to configure a default validity period. [
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    ]
  • Kleopatra: When extending the validity period of a certificate, the default for new ones is now preset. [
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    ]
  • Kleopatra: The default validity of new certificates is now three years instead of two. This can be changed through configuration. [
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    ]
  • GpgOL: Now offers to create a OpenPGP certificate, if none with signing capability exists and only signing is requested. [
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    ]
  • GnuPG: The PKCS#12 (.p12 files) parser has been rewritten to increase compatibility with other PKCS#12 implementations. [
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    ]
  • GnuPG: S/MIME certificate listings have been sped up on Windows. [rG08ff55bd44]
  • GnuPG: A new option "ADSK" has been added to signal the intention that messages should be encrypted to multiple subkeys. [
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    ,
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    ]
  • GnuPG: There are now more compressed formats detected for which GnuPG then automatically disables its builtin compression. This can result in significant speed ups. [
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    ]
  • Kleopatra: An accidental timeout when creating checksum files has been removed. This could result in empty or incomplete checksum files. [
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    ]
  • Kleopatra: The validity period of all subkeys is now extended even if the primary key was already expired. This fixes the case where seemingly extended keys were no longer usable for encryption. [
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    ]
  • Kleopatra: A rare occurrence, where encryption only keys would be offered as signing keys, has been fixed. [
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    ]
  • Kleopatra: Some obsolete configuration options have been removed. [
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    Zaloguj lub Zarejestruj się aby zobaczyć!
    ]
  • Kleopatra: The button "What's this" in the right upper corner has been removed, since it was only used in very few places. [
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    ]
  • Kleopatra: Canceling file operations now reliably cancels the underlying backend operations, too. [
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    ]
  • Kleopatra: A number of encoding problems when displaying output from the backend have been solved. [
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    ]
  • Kleopatra: A cause for longer loading time of the certificate list at startup was fixed. [
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    ]
  • Kleopatra: Selecting cancel when exporting a secret subkey now properly cancels instead of creating a file without the secret part. [
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    ]
  • Kleopatra: When importing secret keys you do not want to mark as your own, it is no longer asked multiple times if it is your own key. [
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    ]
  • GnuPG/Kleopatra: Error handling for permission and write errors has been improved across the board. [
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    ]
  • GpgOL: An issue has been fixed where crypto mails would show up empty if text/plain display was preferred. [
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    ]
  • GpgOL: Fixed a crash that occurred when encrypting a mail with an attachment without a file name. [
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    ]
  • GpgOL: Category and flag changes now work again if the mail is not displayed in a decrypted state when they are made. [
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    ]
  • GpgOL: Added safeguards against a plain text leak back to the server in a specific unusual configuration. (dd3ff839)
  • GnuPG: For a full list of the backend changes between GnuPG 2.4.0 in Gpg4win-4.1.0 and GnuPG 2.4.3 in Gpg4win-4.2.0 please see: 2.4.1:
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    2.4.2:
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    2.4.3:
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Camel1965

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gpg4win 4.3.0​

January 26, 2024
  • Kleopatra: A new mail viewer mode has been added, allowing crypto mails received by mail clients without PGP/MIME or S/MIME support to be decrypted. This means that you can open an SMIME.p7m file or openpgp-encrypted-message.asc attachment with Kleopatra, and it will be displayed as a mail. [T6199]
  • Kleopatra: It is now possible to certify multiple certificates at once using the group interface. [T6469]
  • Okular (GnuPG Edition): This PDF reader has received a lot of updates and is now ready for everyday's use.
  • GnuPG: Support for proxy authentication using the Negotiation method has been added. [T6719]
  • GnuPG: Keyserver can now be configured to the value "none" to avoid unnecessary queries to non-existing keyservers that would slow down the system. [T6708]
  • GnuPG: Es kann nun der Wert "none" als Schlüsselserver verwendet werden, um unnötige Abfragen gegen nicht existierende Server zu vermeiden, die das System verlangsamen würden. [T6708]
  • GnuPG: A new option has been added to ignore specific CRL extensions. This can help as a workaround for problems with specific CRLs. [T6545]
  • GnuPG: Automatic proxy detection has been improved. [T5768]
  • Kleopatra: The start time of Kleopatra has been drastically improved on throttled systems with third-party software installed, which manipulates system calls. The number of system calls to start Kleopatra has been roughly halved. [T6259]
  • Kleopatra: The advanced options in the certification view are now automatically visible if they were open in the last certification. [T6480]
  • Kleopatra: Windows dark mode is now fully supported. [T4066]
  • Kleopatra: Some invalid operations, such as signing with an expired certificate, which would have resulted in errors, can no longer be triggered. The reason for this is indicated, too. [T6742 T6788]
  • Kleopatra: The support for Telesec signature cards has been improved. [T6830]
  • Kleopatra: When exporting or publishing certificates, the user is now informed if there are uncertified certificates in the export. This is especially useful when exporting groups. [T6766]
  • Kleopatra: Expiry dates after 19.01.2038 (year 2038 bug) are now possible. [T6736]
  • Kleopatra: The dialog to extend OpenPGP certificates has been improved and redundant options removed. [T6621]
  • Kleopatra: When creating archives, they are now written out as a .part file to improve error handling and canceling the operation without leaving a broken archive in the file system. [T6584]
  • Kleopatra: Updating certificates now also looks for updates in a Web Key Directory if one exists for the domain. [T5951]
  • Kleopatra: Progress bars are now also properly shown for S/MIME file operations. [T6534]
  • GpgOL: Added support for RFC2231 encoded attachment filenames, which increases compatibility with Apple Mail. [T6604]
  • GpgOL: Draft encryption with S/MIME certificates now skips CRL checks and is much faster and reliable. [T6827]
  • GpgOL: The error handling was improved if a preference for S/MIME is set and signing selected but no signing certificate can be found. See:
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    (smimeNoCertSigErr) on how to add a custom message to instruct users what to do in this case. [T6683]
  • GpgOL: It is now possible to encrypt to S/MIME certificates that are untrusted or cannot be validated because of CRL errors. In this case a warning dialog is shown, allowing the user to override the errors. This is not VS-NfD compliant but can be used for unrestricted encryption. [T6701]
  • GpgOL: Mails without the correct MIME type but which still look like crypto mails are now decrypted. This improves compatibility with Apple Mail and various mail gateways that modify the structure of crypto mails in transit. [T6701]
  • GpgOL: The internal attachments are now called "GpgOL_MIME_structure.mime" instead of "GpgOL_MIME_structure.txt" to make it easier to link them to Kleopatra. This is, for example, visible for users when using the Outlook web interface. [T6656]
  • GpgOL: The initialization has been moved to avoid the incorrect message that GpgOL is causing a slow start of Outlook. This message might still be shown, since Outlook shows this sometimes regardless of actual timings, but the delay should be 0ms. [T6856]
  • GpgOL: The security approval dialog has been improved to better show problems with the available certificates in case a compliant encryption is not possible. [T6742 T6743 T6744]
  • GpgOL: The security approval dialog now increases its size based on the number of recipients to avoid having to use a scroll bar. [T6837]
  • Kleopatra: The state of Kleopatra is now properly stored in configuration files when Kleopatra is shut down on user log out. [T6667]
  • Kleopatra: Importing a certificate with Kleopatra will now open the main window of Kleopatra. [T6671]
  • Kleopatra: No longer unnecessarily watches the clipboard for changes; this could have caused issues with password managers that would empty the clipboard as soon as a third-party application tried to access it. [T6531]
  • Kleopatra: It is no longer possible to set expiry dates in the past. [T6519]
  • Kleopatra: Importing multiple certificates at once can no longer cause Kleopatra to lock up. [T6323]
  • Kleopatra: When generating keys on a smart card in compliance mode, only compliant algorithms are offered. [T6750]
  • Kleopatra: Fixed an issue where certificate tags would not be displayed correctly after reloading certificates. [T6768]
  • GpgOL: The security approval dialog now correctly updates the compliance status after switching protocols. [T6600]
  • GpgOL: The security approval is now always shown and displays the correct state for groups containing untrusted or otherwise non-compliant certificates. [T6401]
  • GpgOL: Fixed an issue with S/MIME opaque signed mails where the contents of invalid signed mails would not be shown. [T6624]
  • GpgOL: When generating a key through the security approval dialog, the configured default algorithms from GnuPG are now used. [T6805]
  • GpgOL: Generating keys through the security approval dialog now works as intended. [T6813 T6823 T6566]
  • GpgOL: A crash issue has been resolved that could occur when switching between different Outlook views, for example, from the calendar back to the mail view, while a crypto mail was open. This crash was only happening in Outlook versions older than Outlook 2019 or when the "always preview messages" setting was enabled. This potential crash affected all modern versions of GpgOL. (T6861)
  • GnuPG: For a full list of the backend changes between GnuPG 2.4.3 in Gpg4win-4.2.0 and GnuPG 2.4.4 in Gpg4win-4.3.0 please see:
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Camel1965

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Gpg4win 4.3.1​

Version 4.3.1 released 2024-03-11


GnuPG: 2.4.5
Kleopatra: 3.2.2
GpgOL: 2.5.12
GpgEX: 1.0.10
Kompendium DE: 4.0.1
Compendium EN: 3.0.0
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