Problems with SNMPv3 and SHA

Hi,

I have problems using SHA in SNMPv3 with NET-SNMP. Well, I'll start to 
explain how the setup is and what I did so far.

On a server there is the snmpd SNMP agent demon running. It uses 
NET-SNMP Version 5.4.3. To use authentication I added a user in the 
share/snmp/snmp.conf file. The entry looks like this:

rouser  myuser auth system


First I tried the MD5 authentication so I added a line in 
/var/net-snmp/snmpd.conf like this (before I did so, I stopped the agent):

createUser myuser MD5 mypasswd

That is the only user that I added so far. There is no other user entry. 
On a client (different machine) I do an snmpget request:

snmpget -v 3 -u myuser -a MD5 -A mypasswd -l authNoPriv myserver 
system.sysUpTime.0


And get the following result:

DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (1313) 0:00:13.13


So the MD5 authentication seems to work properly. Now I tried the same 
with SHA. I stopped snmpd on the server side, delete the the old (and 
only) user (myuser) with MD5 authentication in /var/net-snmp/snmpd.conf. 
Than I added the following line:

createUser myuser SHA mypasswd

After restart of snmpd the user is added in the snmpd.conf file.

usmUser 1 3 0x80001f88804460fc1891dc034c 0x6d626179657200 
0x6d626179657200 NULL .1.3.6.1.6.3.10.1.1.2 
0xdacc3c017741c212010d609ff03bafb5 .1.3.6.1.6.3.10.1.2.1 "" ""

Then I do a new request on the client side.

snmpget -v 3 -u myuser -a SHA -A mypasswd -l authNoPriv myserver 
system.sysUpTime.0


And now I get an error message:

snmpget: Authentication failure (incorrect password, community or key) 
(Sub-id not found: (top) -> system)

Somehow SHA doesn't work + now the OID is not found. Did I miss 
something? Help is much appreciated.


Thanks
Michael




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