OTP feature for /bin/login

Alexander Kriegisch Alexander at Kriegisch.name
Sat May 5 18:07:09 UTC 2012


Just for the record because - again - I replied privately against my
intention to write to the list (please fix those reply-to headers!):


Guylhem, 05.05.2012 17:14:
> Yes it is. With "otp" for the nokia n900 for example.
>
> Alexander Kriegisch, 05.05.2012 12:00:
>> Sorry if the question sounds stupid, but is this something for a
>> use case similar to what I would use OPIE for? Several years ago I 
>> compiled opielogin for my router and used it as a replacement for
>> BB login in telnet. I forgot about it later though (initially I
>> also wanted to use OPIE with Dropbear, but then resorted to normal 
>> key-based login).
>> 
>> 
>> Guylhem, 05.05.2012 00:37:
>>> I have prepared a OTP implementation for /bin/login, where a 
>>> password can optionally be replaced by an MOTP (md5 of 
>>> epoch+pin+shared secret) if ENABLE_FEATURE_LOGINOTP is defined.
>>> 
>>> This could be useful for example when using telnetd. The code can
>>> easily be tweaked to support other things besides MOTP.



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