[AGENT++] Privacy key change for SHA users

Frank Fock fock at agentpp.com
Tue Oct 13 23:05:02 CEST 2009


Hi Alex,

This seems to be an error in the MG Soft browser.
The key change works for SHA based privacy keys using
NET-SNNP, SNMP4J and SNMP++ without problems.

Best regards,
Frank

Alex Agranov wrote:
> Hi,
> 
> I've built a simple SNMPv3 agent using AGENT++ v3.5.29 and SNMP++ 3.2.23.
> I also use MG-SOFT MIB Browser Pro to manipulate USM users table (clone rows
> and change authentication and privacy passwords).
> 
> I noticed a weird thing : change of privacy protocol seems to work fine for
> MD5 users. However I'm getting "wrong length" error when I try to change
> privacy protocol for any entry that uses SHA as authentication protocol .
> 
> Is there any know issue with AGENT++ and SHA users privacy key change?
> Release notes seem to imply that this should be working starting from
> v3.5.25 - but for some reason it doesn't in my setup...
> 
> Thank you in advance.
>      Alex Agranov
> 
> P.S. I'm running on 32-bit Linux (CentOS 5.3) if this matters... It's also
> worth noting that regular SNMPv3 communication using SHA users works just
> fine...
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