Method for carrying out an electronic transaction using...

Details Method for carrying out an electronic transaction using... Method for carrying out an electronic transaction using...

2006-07-18

2006-07-18

Barrón, Jr., Gilberto (Department: 2132)

Cryptography

Key management

Key distribution

C713S170000, C713S176000, C713S180000, C713S171000, C705S064000, C705S071000

Reexamination Certificate

active

07079654

ABSTRACT:
Method for carrying out an electronic transaction using several signatures.In the present invention, entities (or actors) are spread over a communication network and share keys. A message is encapsulated inside several cryptograms, and intermediate entities progressively decapsulate the cryptograms that they receive.The invention is applicable to all electronic transactions, in particular to “electronic wallet” applications.

REFERENCES:
patent: 5097115 (1992-03-01), Ogasawara et al.
patent: 5396558 (1995-03-01), Ishiguro et al.
patent: 6105862 (2000-08-01), Pailles et al.
patent: 588 339 (1994-03-01), None
patent: 2261538 (1993-05-01), None
patent: 42610 (1997-11-01), None

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