[SNMP4J] Encrypted Passphrases

[Frank Fock]

Hi Christy,

As Jochen wrote, you are using the wrong constructor
for localized keys (which you name "encrypted passphrases").
The constructor below does work only for non-localized
keys ("plain [text] passphrases").

Best regards,
Frank

On 01.08.2011 15:49, christyj wrote:
> Hi Jochen,
>
> I am using a similar constructor, except for the last localizationEngineID
> parameter. However this works well for text passphrases, but does not appear
> to work for the encrypted passphrases.
>
>    public UsmUser(OctetString securityName,
>                   OID authenticationProtocol,
>                   OctetString authenticationPassphrase,
>                   OID privacyProtocol,
>                   OctetString privacyPassphrase)
>
> Any other ideas what could be happening?
>
> Regards
> Christy
>
>
> Date: Fri, 29 Jul 2011 22:44:40 +0200
> From: Jochen Katz<katz at agentpp.com>
> Subject: Re: [SNMP4J] Encrypted Passphrases
> To: snmp4j at agentpp.org
> Message-ID:<4E331BB8.8030503 at 2011.agentpp.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hi,
>
>> I?m trying to use SNMP4J to test AUTH_NOPRIV setup for a device that has the
>> auth passphrase set as encrypted digest (believe the passphrase is entered
>> as a hexa-decimal numbers)
> so you are directly setting the key used for authentication.
>
>> I looked at UsmUser API and did not see a alternate way of setting encrypted
>> passphrases. How do I set encrypted passphrases?
> To set the keys for a user, you can use the following constructor (the
> passed passphrases are in fact used as keys):
>
>    public UsmUser(OctetString securityName,
>                   OID authenticationProtocol,
>                   OctetString authenticationPassphrase,
>                   OID privacyProtocol,
>                   OctetString privacyPassphrase,
>                   OctetString localizationEngineID)
>
> Regards,
>    Jochen
>
>
>
>
> From: Christy Jones<christyj at cisco.com>
> Date: Fri, 29 Jul 2011 14:32:59 -0400
> To: "snmp4j at agentpp.org"<snmp4j at agentpp.org>
> Conversation: Encrypted Passphrases
> Subject: Encrypted Passphrases
>
> Hi,
>
> I¹m trying to use SNMP4J to test AUTH_NOPRIV setup for a device that has the
> auth passphrase set as encrypted digest (believe the passphrase is entered
> as a hexa-decimal numbers)
>
> Here what I tested with -
>
> Test 1: text-passphrase ­ works, no issues
> snmp-server user ppmv3user readonly v3 auth md5 abcdabcd
>
> Test 2: encrypted-passphrase ­ returns SnmpConstants.usmStatsWrongDigests
> snmp-server user ppmv3user readonly v3 encrypted auth md5 abcdabcd
>
> I looked at UsmUser API and did not see a alternate way of setting encrypted
> passphrases. How do I set encrypted passphrases?
>
> Regards
> Christy
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>


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