dixit la doc de putty, ça ressemble à un protocole d'authentification pour ssh v1
4.18 The Auth panel
The Auth panel allows you to configure authentication options for
SSH sessions.
4.18.1 `Attempt TIS or CryptoCard authentication'
TIS and CryptoCard authentication are simple challenge/response
forms of authentication available in SSH protocol version 1 only.
You might use them if you were using S/Key one-time passwords, for
example, or if you had a physical security token that generated
responses to authentication challenges.
With this switch enabled, PuTTY will attempt these forms of
authentication if the server is willing to try them. You will
be presented with a challenge string (which will be different
every time) and must supply the correct response in order to log
in. If your server supports this, you should talk to your system
administrator about precisely what form these challenges and
responses take.
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