Re: [IM-Talk] SNMPV3

[William Fisher]

On 3/11/10 1:49 PM, Patrick K. Mugabeni wrote:
> Exactly.Is there a key generator in intermapper if I provide it with device 
> ID? 
Here is a quick script that can be run with IMDC python. Set the
password values, authProto value and the authEngineID value then run the
script.

#!/usr/local/imdc/core/python/bin/imdc -OO
#
# snmpv3key.py

authPassword = 'maplesyrup'
privPassword = 'maplesyrup'
authProto = 'sha1'
#authProto = 'md5'
authEngineID = '000000000000000000000002'


def snmpv3PasswordToLocalizedKey(password, engineID, authProto):
    import hashlib
    passwordLen = len(password)
    m = hashlib.new(authProto)
    for i in xrange(1048576 // passwordLen):
        m.update(authPassword)
    m.update(authPassword[0:1048576 % passwordLen])
    blockKey = m.digest()

    m = hashlib.new(authProto)
    m.update(blockKey)
    m.update(engineID.decode('hex'))
    m.update(blockKey)
    return m.hexdigest()


if __name__ == '__main__':
    print 'Localized Auth Key: %s' % \
            snmpv3PasswordToLocalizedKey(authPassword, authEngineID,
authProto)
    print 'Localized Priv Key: %s' % \
            snmpv3PasswordToLocalizedKey(privPassword, authEngineID,
authProto)



-- 
Bill Fisher
Dartware, LLC
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