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Recognize LANcom LCOS software and support extraction of ssh-ed448 key type

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LANcom router devices appear to be primarily used in Germany (see [1]
for examples on the public Internet), and they appear to support the
`ssh-ed448` key type which is documented in [2], but which has never
been supported by any as-yet-released version of OpenSSH.

[1] https://www.shodan.io/search?query=ssh+%22ed448%22
[2] https://datatracker.ietf.org/doc/html/rfc8709#name-public-key-format
This commit is contained in:
Daniel Lenski
2024-06-28 17:29:35 -07:00
parent df8f238152
commit c9769b3609
3 changed files with 10 additions and 0 deletions
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src/ssh_audit/hostkeytest.py
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@@ -52,6 +52,9 @@ class HostKeyTest:
'ssh-ed25519': {'cert': False, 'variable_key_len': False},
'ssh-ed25519-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
'ssh-ed448': {'cert': False, 'variable_key_len': False},
# 'ssh-ed448-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
}
TWO2K_MODULUS_WARNING = '2048-bit modulus only provides 112-bits of symmetric strength'