RE: Need help on snmpv3 AuthPrev trap

[Gaikwad, Rupesh]

Hi Wes, 
Thanks for your reply. 
Actually, I am trying with a perl script directly to decrypt the incoming 
encrypted data by using 

"use Crypt::CBC;"
..
..
ScopedPduData ::= CHOICE {
           plaintext    ScopedPDU,
           encryptedPDU OCTET STRING  
       }
..
my $msgData = $msg->{msgData};
...

my $var4 = $msgData->{encryptedPDU};
..

my $encryptedPDU = $msgData->{encryptedPDU};
my $cipher = Crypt::CBC->new( -key    => 'my_password',
                             -cipher => 'Blowfish'
                            );

    
my $data = $cipher->decrypt($encryptedPDU);
..

Is it the right way to decrypt the data? 
What approach shall you suggest if we want to decrypt?
Your help appreciated!

Best regards,
Rupesh


-----Original Message-----
From: Wes Hardaker [mailto:harda...@users.sourceforge.net] 
Sent: Tuesday, September 15, 2009 9:40 PM
To: Gaikwad, Rupesh
Cc: Mike Ayers; net-snmp-users@lists.sourceforge.net
Subject: Re: Need help on snmpv3 AuthPrev trap

>>>>> On Tue, 15 Sep 2009 15:05:10 +0530, "Gaikwad, Rupesh" 
>>>>> <rupesh_gaik...@bmc.com> said:

RG> I am trying to decrypt the encryptedPDU. 

RG> my $var4 = $msgData->{encryptedPDU};

Which perl module are you using to receive the notifications?  That
doesn't look like our supported modules.

All of our code handles the decryption in the C-bindings before handing
it off to perl.
-- 
Wes Hardaker
Cobham Analytic Solutions

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