import win32security
policy_handle = win32security.GetPolicyHandle('',win32security.POLICY_ALL_ACCESS)
privatedata='some sensitive data'
keyname='tmp'
win32security.LsaStorePrivateData(policy_handle,keyname,privatedata)
retrieveddata=win32security.LsaRetrievePrivateData(policy_handle,keyname)
assert retrieveddata==privatedata

## passing None deletes key
win32security.LsaStorePrivateData(policy_handle,keyname,None)
win32security.LsaClose(policy_handle)