	US 7,509,672 B1
	Cross-platform single sign-on data sharing
Michael A. Horwitz, Berkley, Mich. (US); Kenneth W. O'Dell, Birmingham, Mich. (US); Dennis J. O'Flynn, Canton, Mich. (US); and Carlos Devoto, Plymouth, Mich. (US)
Assigned to Compuware Corporation, Detroit, Mich. (US)
Filed on Apr. 01, 2004, as Appl. No. 10/817,275.
Int. Cl. G06F 21/00 (2006.01)

U.S. Cl. 726—8

29 Claims

18. A method of sharing data across a computing system, the method comprising:

subsequent to an initial authentication of a user, receiving requests to authenticate the authenticated user from a plurality of independent local applications on a plurality of computing platforms being accessed by the authenticated user;

automatically authenticating the authenticated user to the plurality of independent local applications being accessed by the authenticated user responsive to the initial authentication of the user;

receiving non-authentication data provided by a first instance of the authenticated user using a local application in a first domain;

storing in a data registry the non-authentication data provided by the first instance of the authenticated user using the local application in the first domain;

receiving a request for non-authentication data from a second instance of the local application in a second domain; and

supplying, from the data registry, the requested non-authentication data provided by the first instance of the local application in the first domain to the second instance of the local application in the second domain.