Authorization server and client apparatus, server cooperative system, and token management method
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United States of America Patent
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Feb 14, 2017
Grant Date -
Aug 14, 2014
app pub date -
Apr 10, 2013
filing date -
May 25, 2012
priority date (Note) -
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Abstract
There is a method of generating a token required to transfer an access authority to a cooperating system to a cooperation asking system. In this method, a refresh token is issued to update a token without confirmation to a user after a valid period of a token has expired. When information which is required to update a token is leaked, an unintended system updates a token, and the cooperating system is illicitly used. For this reason, a unit for invalidating the leaked refresh token is required. An access management service stores a refresh token issued at the time of first authorization processing linked to tokens re-issued when a series of token is issued using refresh tokens. Then, upon designation of the refresh token issued first, all refresh tokens linked to the refresh token issued first are invalidated.
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