GnuPG – post-quantum crypto landing in mainline
6 hours ago
- #Software Release
- #Encryption
- #GnuPG
- Announcement of GnuPG 2.5.19 release on April 24, 2026, with new features and bug fixes.
- Key features include improvements for 64-bit Windows and support for Kyber (ML-KEM/FIPS-203) as a PQC encryption algorithm.
- The 2.4 series reaches end-of-life in two months; users are advised to update to 2.5.19 for compatibility.
- GnuPG is a free OpenPGP and S/MIME implementation for encryption, signing, and key management.
- Noteworthy changes in 2.5.19: new options (--use-ocb-sym, --show-session-hash), extended functionality in gpgsm, bug fixes for gpg, gpgsm, agent, ssh, and gpgtar, and other improvements.
- Software available for download from primary server or mirrors, with source, Windows installer, and Debian packages provided.
- Instructions for verifying integrity via GnuPG signatures or SHA-1 checksums, with release signing keys listed.
- Documentation includes online manual, mailing lists for support, and bug reporting guidelines.
- Development funded by donations through g10 Code GmbH, with thanks to contributors and donors.
- Mailing list is announcement-only; replies should go to the gnupg-users list.