| 摘要 |
<p>A single sign-on method, a single sign-on system, an information processing method, an information processing device, an identity provision server, a service provision server, and a name mapping server. The single sign-on method includes: an identity provision server confirming that a user has passed access authentication; the identity provision server providing an inter-server shared key according to itself and the service to be accessed by the user to generate assertion information about the user, and sending the assertion information to the service provision server. By reusing access authentication, the embodiments in the present invention solve the problem that the user has to undergo register authentication many times when accessing the Internet, protect user privacy by generating a pseudonym, and avoid leakage of user privacy.</p> |
