Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1990-05-18
1991-12-17
Tarcza, Thomas H.
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 25, 273148B, 34082531, H04K 100
Patent
active
050739310
ABSTRACT:
This device allows an individual to participate in a television program as a function of remotely loaded data. It includes a device for reception of date (R), a keyboard (8), a clock (10) and a device for processing data entered at the keyboard as a function of the remotely loaded data and for producing a result which is a function of the processing. A device for certification is coupled to the clock (10) in order to measure the elapsed time between a characteristic instant of the running of a scenario in the device (1) and the establishment of a certification link with a server (S). A certified result is supplied by a device for comparison when there is equality, to within a given tolerance, between the measured time and a reference time computed by the server.
REFERENCES:
patent: 4592546 (1986-06-01), Pascenda
patent: 4745468 (1988-05-01), Von Kohorn
patent: 4747050 (1988-05-01), Brachtl et al.
patent: 4750036 (1988-06-01), Martinez
patent: 4799061 (1989-01-01), Abraham et al.
patent: 4885778 (1989-12-01), Weiss
patent: 4910775 (1990-03-01), Yves et al.
patent: 4944008 (1990-07-01), Piosenka et al.
Audebert Yves
Delahaye Achille
Audebert-Delahaye-Venture
Swann Tod
Tarcza Thomas H.
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