not able to allow Authentication in punjab

[ntimesc]

i have add following line to my punjab.tac file for authentication support

sslContext = ssl.DefaultOpenSSLContextFactory(

        '/path/to/privkey.pem',
        '/path/to/cacert.pem',
)

as it shows its seeking for privkey.pem and cacert.pem , but can anyone explain what it is looking for so that i can set up the appropriate path for these.

bcoz after adding above lines when i run punjab i am getting follwoing error , so can anyone help me what am i missing and wht i required plz.



 twistd -y punjab.tac

Unhandled Error
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/twisted/application/app.py", line 652, in run
    runApp(config)
  File "/usr/local/lib/python2.7/site-packages/twisted/scripts/twistd.py", line 23, in runApp
    _SomeApplicationRunner(config).run()
  File "/usr/local/lib/python2.7/site-packages/twisted/application/app.py", line 386, in run
    self.application = self.createOrGetApplication()
  File "/usr/local/lib/python2.7/site-packages/twisted/application/app.py", line 451, in createOrGetApplication
    application = getApplication(self.config, passphrase)
--- <exception caught here> ---
  File "/usr/local/lib/python2.7/site-packages/twisted/application/app.py", line 462, in getApplication
    application = service.loadApplication(filename, style, passphrase)
  File "/usr/local/lib/python2.7/site-packages/twisted/application/service.py", line 405, in loadApplication
    application = sob.loadValueFromFile(filename, 'application', passphrase)
  File "/usr/local/lib/python2.7/site-packages/twisted/persisted/sob.py", line 210, in loadValueFromFile
    exec fileObj in d, d
  File "punjab.tac", line 39, in <module>
    '/path/to/cacert.pem',
  File "/usr/local/lib/python2.7/site-packages/twisted/internet/ssl.py", line 68, in __init__
    self.cacheContext()
  File "/usr/local/lib/python2.7/site-packages/twisted/internet/ssl.py", line 77, in cacheContext
    ctx.use_certificate_file(self.certificateFileName)
OpenSSL.SSL.Error: [('system library', 'fopen', 'No such file or directory'), ('BIO routines', 'FILE_CTRL', 'system lib'), ('SSL routines', 'SSL_CTX_use_certificate_file', 'system lib')]

Failed to load application: [('system library', 'fopen', 'No such file or directory'), ('BIO routines', 'FILE_CTRL', 'system lib'), ('SSL routines', 'SSL_CTX_use_certificate_file', 'system lib')]

[Christopher Zorn]

This looks like an incorrect path.

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