def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.SERVICE_ID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.SERVICE_ID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.HASH_ALGORITHM:
hashAlgo = hmacsha2.HmacSha2.HASH_ALGORITHM[authProtocol]
else:
raise error.ProtocolError(
'Unknown auth protocol %s' % (authProtocol,))
localPrivKey = localkey.localizeKey(
privKey, snmpEngineID, hashAlgo)
# now extend this key if too short by repeating steps that includes
# the hashPassphrase step
rounds = int(ceil(self.KEY_SIZE * 1.0 / len(localPrivKey)))
for _ in range(1, rounds):
localPrivKey += localPrivKey.clone(
hashAlgo(localPrivKey.asOctets()).digest())
return localPrivKey[:self.KEY_SIZE]
def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.serviceID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.serviceID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.hashAlgorithms:
hashAlgo = hmacsha2.HmacSha2.hashAlgorithms[authProtocol]
else:
raise error.ProtocolError('Unknown auth protocol %s' %
(authProtocol, ))
localPrivKey = localkey.localizeKey(privKey, snmpEngineID, hashAlgo)
# now extend this key if too short by repeating steps that includes the hashPassphrase step
while len(localPrivKey) < self.keySize:
# this is the difference between reeder and bluementhal
newKey = localkey.hashPassphrase(localPrivKey, hashAlgo)
localPrivKey += localkey.localizeKey(newKey, snmpEngineID,
hashAlgo)
return localPrivKey[:self.keySize]
def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.serviceID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.serviceID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.hashAlgorithms:
hashAlgo = hmacsha2.HmacSha2.hashAlgorithms[authProtocol]
else:
raise error.ProtocolError('Unknown auth protocol %s' %
(authProtocol, ))
localPrivKey = localkey.localizeKey(privKey, snmpEngineID, hashAlgo)
return localPrivKey[:self.keySize]
def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.SERVICE_ID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.SERVICE_ID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.HASH_ALGORITHM:
hashAlgo = hmacsha2.HmacSha2.HASH_ALGORITHM[authProtocol]
else:
raise error.ProtocolError(
'Unknown auth protocol %s' % (authProtocol,))
localPrivKey = localkey.localizeKey(privKey, snmpEngineID, hashAlgo)
# now extend this key if too short by repeating steps that includes the hashPassphrase step
while len(localPrivKey) < self.KEY_SIZE:
# this is the difference between reeder and bluementhal
newKey = localkey.hashPassphrase(localPrivKey, hashAlgo)
localPrivKey += localkey.localizeKey(newKey, snmpEngineID, hashAlgo)
return localPrivKey[:self.KEY_SIZE]
def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.SERVICE_ID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.SERVICE_ID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.HASH_ALGORITHM:
hashAlgo = hmacsha2.HmacSha2.HASH_ALGORITHM[authProtocol]
else:
raise error.ProtocolError('Unknown auth protocol %s' %
(authProtocol, ))
localPrivKey = localkey.localizeKey(privKey, snmpEngineID, hashAlgo)
return localPrivKey[:self.KEY_SIZE]
def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.SERVICE_ID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.SERVICE_ID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.HASH_ALGORITHM:
hashAlgo = hmacsha2.HmacSha2.HASH_ALGORITHM[authProtocol]
else:
raise error.ProtocolError(
'Unknown auth protocol %s' % (authProtocol,))
localPrivKey = localkey.localizeKey(privKey, snmpEngineID, hashAlgo)
return localPrivKey[:self.KEY_SIZE]
def localizeKey(self, authProtocol, privKey, snmpEngineID):
if authProtocol == hmacmd5.HmacMd5.serviceID:
hashAlgo = md5
elif authProtocol == hmacsha.HmacSha.serviceID:
hashAlgo = sha1
elif authProtocol in hmacsha2.HmacSha2.hashAlgorithms:
hashAlgo = hmacsha2.HmacSha2.hashAlgorithms[authProtocol]
else:
raise error.ProtocolError('Unknown auth protocol %s' %
(authProtocol, ))
localPrivKey = localkey.localizeKey(privKey, snmpEngineID, hashAlgo)
# now extend this key if too short by repeating steps that includes the hashPassphrase step
for count in range(1,
int(ceil(self.keySize * 1.0 / len(localPrivKey)))):
localPrivKey += hashAlgo(localPrivKey).digest()
return localPrivKey[:self.keySize]
def localizeKey(self, authKey, snmpEngineID):
return localkey.localizeKey(authKey, snmpEngineID, self._hashAlgo)
def localizeKey(self, authKey, snmpEngineID):
return localkey.localizeKey(authKey, snmpEngineID, self._hashAlgo)
