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Enable HostKeyTest to extract ECDSA and DSA keys (#286)

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Their certificate-embedded counterparts are enabled as well.

As with RSA, it *is* possible for DSA keys to be of variable length (not
just 1024 bits), so I've added `{'variable_key_len': True}` to the relevant
`HOST_KEY_TYPES` entries, although this key-value pair is otherwise unused.
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Daniel Lenski 2024-09-25 13:57:03 -07:00 committed by GitHub
parent ac540c8b5f
commit a4b78b752e
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src/ssh_audit/hostkeytest.py
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@ -55,6 +55,17 @@ class HostKeyTest:
'ssh-ed448': {'cert': False, 'variable_key_len': False},
# 'ssh-ed448-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
'ecdsa-sha2-nistp256': {'cert': False, 'variable_key_len': False},
'ecdsa-sha2-nistp384': {'cert': False, 'variable_key_len': False},
'ecdsa-sha2-nistp521': {'cert': False, 'variable_key_len': False},
'ecdsa-sha2-nistp256-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
'ecdsa-sha2-nistp384-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
'ecdsa-sha2-nistp521-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
'ssh-dss': {'cert': False, 'variable_key_len': True},
'ssh-dss-cert-v01@openssh.com': {'cert': True, 'variable_key_len': True},
}
TWO2K_MODULUS_WARNING = '2048-bit modulus only provides 112-bits of symmetric strength'