Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate
2007-02-27
2007-02-27
Reagan, James A (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Secure transaction
C709S203000, C709S223000, C709S224000, C709S227000, C709S217000, C709S220000, C709S229000, C707S793000, C705S001100, C370S469000, C370S352000, C370S235000
Reexamination Certificate
active
09492534
ABSTRACT:
In an infrastructure in which some of a plurality of entities provide cryptographically supported services, a method of registering a subscriber entity of a plurality of entities at a principal entity of a plurality of entities, the method comprising the subscriber entity requesting service from the principal entity by sending a request message to a registrar entity of the plurality of entities; the registrar entity verifying the subscriber entity and forwarding the request for service to the principal entity; the principal entity storing the forwarded request and transmitting an acknowledgement message to the registrar entity, the acknowledgement stating acceptance and authentication/authorization information that the subscriber entity requires for the requested service; and the registrar entity verifying the authenticity of the received acknowledgement message, and, if correct, forwarding the acknowledgement message to the subscriber entity.
REFERENCES:
patent: 5732400 (1998-03-01), Mandler et al.
patent: 5802497 (1998-09-01), Manasse
patent: 6336095 (2002-01-01), Rosen
patent: 0 693 742 (1996-01-01), None
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O'Mahony et al. Electronic Payment Systems © 1997 ARTECH House, Inc. Norwood, MA (pp. 125-143).
Frankel Yair
Montgomery Charles T.
Stubblebine Stuart
Yung Marcel M.
Certco, Inc.
Pillsbury Winthrop Shaw & Pittman LLP
Reagan James A
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