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Tous les exemples de clés SSH →

Exemple 10 · ML-DSA-44 + Ed25519

Clé hybride post-quantique : chaque signature contient une signature ML-DSA-44 (FIPS 204) et une signature Ed25519, qui doivent toutes les deux être vérifiées. Elle reste sûre tant qu’au moins l’une des deux composantes n’est pas compromise.

Aperçu de la clé

Type de cléML-DSA-44 + Ed25519
Nom de l’algorithme SSHssh-mldsa44-ed25519
Prise en chargeOpenSSH 10.6 et versions ultérieures ; les versions antérieures rejettent la clé
Format de la clé privéeOpenSSH (openssh-key-v1), unencrypted
EmpreinteSHA256:k6pGTaZwJTckCcXNezP/s7/0qVMDExdO2IccXqT+b1c

Clé publique

La clé publique au format authorized_keys. Ajoutez-la à un fichier allowed_signers pour vérifier la signature ci-dessous.

Télécharger → 1 868 octets

ssh-mldsa44-ed25519 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 ch-j-ssh-example-10

Clé privée

La clé privée non chiffrée. Publiée uniquement pour les tests : tout le monde peut l’utiliser.

Télécharger → 3 982 octets

Afficher
-----BEGIN OPENSSH PRIVATE KEY-----
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ABAg==
-----END OPENSSH PRIVATE KEY-----

Signature de test_1MB.bin

Signature SSH détachée (SSHSIG, espace de noms "file") de test_1MB.bin créée avec cette clé dans CH-J Tools. Enregistrez-la sous test_1MB.bin.sig à côté du fichier de test.

Télécharger → 5 365 octets

-----BEGIN SSH SIGNATURE-----
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uc4gN+fEvBnriPpuobP8sWusdmbE61UNqCQnR/0J6x4oQjK8CCzRs/nZrExiErvtbRXd3W
tsk69InoLr81vdaf8sRTxDUoff4zJxF7OQyesA6yLapiyaSRz5RR8AGId45OnmR8rtOqFk
u9EiZ1qfXdO7a8HiHL63ZbvldaOcB012G9eoKLwKFYkBNOWZ92cIsxEkzufvC0RgB7dloe
kkc2GWIvx83N1UzmVXJ9RZBnWBwM804Ek6v2zPoggNCWvBpTAPzDJ7H7FwCiPZAngUMZ1z
PdmZdaWXUbEmU9egghxL8h06t1/qu/P8jjgGW3FdYBryJ+knjj24j72/yiMBSRlwn8CQhT
RdX9ExcpwkR49AquyqhyY1T0ij3s/NhHMQfu6uPeed5pynzYY2SEeLmeL5MhFLE524D/zu
AwL78trnsiwFmvIwJDsyMrpdaB1sCDpMiLoTmMfcputQ1ejG+PEzJ2vwk+pF9k3DACEWUi
oCeVRjJ6B6mGbCaL3JZSf2DmktDLjbjsJ1ZkxjLwpQ0o9go0xZSUZXwW0EISUSHbC4jb2j
Kvd+jpfziSa7sDiVbBNFScyfjkSBKW4ryTwVOe609nkHxdH9TCE4LyW50HN2WC9ovPxnta
5X4k3Fvu/YN9rJQClfp8FgTin18gG0AGHwnGi6NaYiod7DjRB8HucuLJl+JEuYLlrTMag9
es1H3PxvWJe8d86oFGmtLQT5H9ATOACDfr/nburjyuFkQyfZoTZNM8mHzZaV3fCw0wO0lj
ZnaIi4yuuMXMz9Hf7vINM0BCREdhY6uxwsnN7fP3+BApLE1RWFttfJGXm6OpzNPi+xkhIy
5ISVl5fIWInqnD1twAAAAAAAAAAAAUJTdHiiuiqKynWDs+2OiOYT2zWo+CgObAXnP2WWwZ
XNduzxfV852tJ3eSzruB3F6359g6hFhTYSecucJUZyYwJ5uNBQ==
-----END SSH SIGNATURE-----

Révocation

Les clés SSH n’ont pas de certificat de révocation. Pour révoquer une clé, supprimez-la de authorized_keys ou inscrivez-la dans une liste de révocation de clés OpenSSH (KRL, créée avec ssh-keygen -k) que le serveur lit via RevokedKeys.

Vérifier la signature

Enregistrez la clé publique et la signature à côté de test_1MB.bin, créez un fichier allowed_signers et exécutez ssh-keygen :

echo "example@ch-j $(cat id_mldsa44_ed25519.pub)" > allowed_signers
ssh-keygen -Y verify -f allowed_signers -I example@ch-j -n file -s test_1MB.bin.sig < test_1MB.bin