Add support for ed25519_sk and ecdsa_sk SSH keys (#13462)

* Add support for ed25519_sk and ecdsa_sk SSH keys

These start with sk-ssh-ed25519@openssh.com and sk-ecdsa-sha2-nistp256@openssh.com.
They are supported in recent versions of go x/crypto/ssh and OpenSSH 8.2
or higher.

* skip ssh-keygen

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
Artemis Tosini 2021-01-20 20:36:55 +00:00 committed by GitHub
parent ef85bf84ee
commit cb08248c33
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 37 additions and 19 deletions

View file

@ -310,6 +310,10 @@ func SSHNativeParsePublicKey(keyLine string) (string, int, error) {
return "ecdsa", 521, nil
case ssh.KeyAlgoED25519:
return "ed25519", 256, nil
case ssh.KeyAlgoSKECDSA256:
return "ecdsa-sk", 256, nil
case ssh.KeyAlgoSKED25519:
return "ed25519-sk", 256, nil
}
return "", 0, fmt.Errorf("unsupported key length detection for type: %s", pkey.Type())
}