Re: Format of JetDirect SNMPv3 authentication, privacy keys?

I'm pretty sure that there's a little remembered Perl script packaged 
with Net-SNMP that can localize passwords to keys if you provide the 
remote agent ID.  It uses the Perl API provided by Net-SNMP if you want 
to integrate it into your tools.

I won't have the time to look for it until tonight - if this doesn't 
ring a bell for someone else, you can download Unbrowse SNMP (free, some 
advanced features go away after trial) and use the Security -> Localize 
Key option.  The engineID can be found in the same file you dropped your 
createUser statements in under /var.


-davin

Mike Ayers wrote:
>> From: [email protected] 
>> [mailto:[email protected]] On 
>> Behalf Of Goltz, Jim (NIH/NLM/LHC) [C]
>> Sent: Friday, September 14, 2007 7:32 AM
> 
>> In the JetDirect web configuration pages for our HP LaserJet 9050 is a
>> page for configuring SNMP, including SNMPv3 authentication and privacy
>> keys.  I'm using SNMPv3 quite successfully with net-snmp, using
>> "net-snmp-config --create-snmpv3-user" to create users with given
>> authentication and privacy passwords.
> 
> 	Keys and passwords are *not* the same.  Keys are binary data used with the encryption and authentication algorithms.  Passwords, in the sense we are discussing, are human-memorizable (preferably barely so) text strings.
> 
> 	I do not know for certain how net-snmp does its conversion, but Appendix A.2 of RFC3414 (USM) explains the conversion process and gives a suggested algorithm.  I believe that the suggested algorithm is used in net-snmp, but, again, I do not know for sure.
> 
> 	I could not find a net-snmp utility that prints a key gievn a user and password.
> 
> 
> 	HTH,
> 
> Mike
> 
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