RE: Format of JetDirect SNMPv3 authentication, privacy keys?

> 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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