Re: Plans for Post-Quantum Cryptography in GnuPG

Collin Funk via Gnupg-users <[email protected]> Sun, 12 Apr 2026 11:44:34 -0700

Newsgroups	gmane.comp.encryption.gpg.user
Message-ID	<[email protected]>

Asher Mullaney via Gnupg-users <[email protected]> writes:

> I would like to know if there are any plans for GnuPG to support
> post-quantum cryptography schemes, specifically ML-KEM (Kyber) and
> ML-DSA (Dilithium) as these will be crucial in cryptography that is
> resistant to quantum computer attacks (a fast-growing threat). If such
> plans exist, when can we expect to see the aforementioned support in
> GnuPG?

You can use Kyber in GnuPG 2.5, e.g., from the gnupg.org repositories
[1]. See:

    $ gpg --version
    gpg (GnuPG) 2.5.18
    libgcrypt 1.12.1
    Copyright (C) 2025 g10 Code GmbH
    License GNU GPL-3.0-or-later <https://gnu.org/licenses/gpl.html>
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.
    
    Home: /root/.gnupg
    Supported algorithms:
    Pubkey: RSA, Kyber, ELG, DSA, ECDH, ECDSA, EDDSA
    Cipher: IDEA, 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH,
            CAMELLIA128, CAMELLIA192, CAMELLIA256
    Hash: SHA1, RIPEMD160, SHA256, SHA384, SHA512, SHA224
    Compression: Uncompressed, ZIP, ZLIB, BZIP2

Collin

[1] https://gnupg.org/blog/20250827-new-repository.html

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