RADIUS Options
  
   Several RADIUS functions accept option flags as bitmasks. The constants
   representing those flags are listed below.
  
  
   
    - 
     RADIUS_OPTION_SALT(integer)
- 
     
      When set, this option will result in the attribute value being
      salt-encrypted.
      
- 
     RADIUS_OPTION_TAGGED(integer)
- 
     
      When set, this option will result in the attribute value being tagged
      with the value of the tag parameter.