code: def createAssociation(self, dumb=True, assoc_type='HMAC-SHA1'):
          
          secret = cryptutil.getBytes(getSecretSize(assoc_type))
          uniq = oidutil.toBase64(cryptutil.getBytes(4))
          handle = '{%s}{%x}{%s}' % (assoc_type, int(time.time()), uniq)
  
          assoc = Association.fromExpiresIn(
              self.SECRET_LIFETIME, handle, secret, assoc_type)
  
          if dumb:
              key = self._dumb_key
          else:
              key = self._normal_key
          self.store.storeAssociation(key, assoc)
          return assoc
docs: Make a new association.
  
          @param dumb: Is this association for a dumb-mode transaction?
          @type dumb: bool
  
          @param assoc_type: The type of association to create.  Currently
              there is only one type defined, C{HMAC-SHA1}.
          @type assoc_type: str
  
          @returns: the new association.
          @returntype: L{openid.association.Association}