Method for making secure a session with data processing...

Details Method for making secure a session with data processing... Method for making secure a session with data processing...

2001-07-26

2008-10-07

Moise, Emmanuel L (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

Reexamination Certificate

active

07434049

ABSTRACT:
A method for securing the execution of a session with a data processor, such as a smart card, under the control of at least two entities, such as servers. Session numbers and session keys are transmitted to the entities. The session number and key are applied to an algorithm in the data processor and the respective entity to produce a result and signature. The results and the signatures are transmitted to the data processor. A session corresponding to the results from the data processor is executed when the signatures are identical to the results. In another embodiment, one of the entities receives a delegation of a third entity to authorize execution of the session.

REFERENCES:
patent: 5799085 (1998-08-01), Shona
patent: 6148404 (2000-11-01), Yatsukawa
patent: 7096494 (2006-08-01), Chen
Me L. et al., “Le Commerce Electronique: Un etat de L'Art” Annals of Telecommunications, CH, Pre SSES, Polytechniques Et Universitaires Romandes, Lausanne, vol. 53, No. 9/10, Sep. 1, 1998, pp. 361-376.
Menezes, Oorschot, Vanstone: “Handbook of Applied Cryptography”, 1997, CRC Press, pp. 403-405 and pp. 506-509.

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