Ħarsa ġenerali lejn iċ-ċavetta
| Tip ta’ ċavetta | Ed25519 |
|---|---|
| Isem l-algoritmu SSH | ssh-ed25519 |
| Appoġġ | OpenSSH 6.5 u aktar ġdid, PuTTY 0.68 u aktar ġdid |
| Format taċ-ċavetta privata | OpenSSH (openssh-key-v1), unencrypted |
| Marka diġitali | SHA256:OkqKmqArU8SoYzSvX7KIZ1F8XdO/FSxFspCrbszALjE |
Ċavetta pubblika
Iċ-ċavetta pubblika fil-format authorized_keys. Żidha ma’ fajl allowed_signers biex tivverifika l-firma hawn taħt.
Niżżel → 100 bytes
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMmetTaaVky+uz6bUkYSJzwGR1wgt/VQMjlICCgamj6t ch-j-ssh-example-09Ċavetta privata
Iċ-ċavetta privata mhux kriptata. Ippubblikata għall-provi biss: kulħadd jista’ jużaha.
Niżżel → 411 bytes
Uri
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACDJnrU2mlZMvrs+m1JGEic8BkdcILf1UDI5SAgoGpo+rQAAAJgLq57qC6ue
6gAAAAtzc2gtZWQyNTUxOQAAACDJnrU2mlZMvrs+m1JGEic8BkdcILf1UDI5SAgoGpo+rQ
AAAEAy7rRXiKnA6Xh33J1ICvbhDYkU5H4+A2X8gY/pGQ7sC8metTaaVky+uz6bUkYSJzwG
R1wgt/VQMjlICCgamj6tAAAAE2NoLWotc3NoLWV4YW1wbGUtMDkBAg==
-----END OPENSSH PRIVATE KEY-----
Firma ta’ test_1MB.bin
Firma SSH separata (SSHSIG, spazju tal-ismijiet "file") ta’ test_1MB.bin magħmula b’din iċ-ċavetta f’CH-J Tools. Issejvjaha bħala test_1MB.bin.sig ħdejn il-fajl ta’ prova.
Niżżel → 294 bytes
-----BEGIN SSH SIGNATURE-----
U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgyZ61NppWTL67PptSRhInPAZHXC
C39VAyOUgIKBqaPq0AAAAEZmlsZQAAAAAAAAAGc2hhNTEyAAAAUwAAAAtzc2gtZWQyNTUx
OQAAAECBgH1bl20qENWvIdRVIMwCEc8eFMYtwHhH6mp9bK1nQKgjICKW5Hf/526FbN4WGF
K5uggO6We0gAVRMppZzjYI
-----END SSH SIGNATURE-----
Revoka
Iċ-ċwievet SSH m’għandhomx ċertifikat ta’ revoka. Biex tirrevoka ċavetta, neħħiha minn authorized_keys jew niżżilha f’lista ta’ revoka taċ-ċwievet OpenSSH (KRL, maħluqa b’ssh-keygen -k) li s-server jaqra permezz ta’ RevokedKeys.
Ivverifika l-firma
Issejvja ċ-ċavetta pubblika u l-firma ħdejn test_1MB.bin, oħloq fajl allowed_signers u ħaddem ssh-keygen:
echo "example@ch-j $(cat id_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