INTERSYSTEM SINGLE SIGN-ON

摘要

Techniques for intersystem Single Sign-On use intersystem user ID mapping to map user IDs of multiple systems. In one implementation, a method obtains a user's ID information associated with a first system, and obtains the user's ID information associated with a second system from the user's ID information associated with the first system according to the intersystem user ID mapping table. The first system sends the user' s ID information associated with the second system to the second system, which may allow the user to automatically log on upon successful user ID verification. The user ID information communicated between the systems may be encrypted and decrypted using digital signature techniques. Systems for accomplishing the method are also provided.