Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1992-08-14
1994-04-05
Swann, Tod R.
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 20, H04K 100
Patent
active
053012330
ABSTRACT:
A process for the transmission and reception of personalized programs. The program is constituted by personalized program elements containing an identification of the recipient or addressee, the access to each program element being reserved for a single recipient and is conditioned for the possession of an access title covering the access criteria to the service and the possession of an individual identification on the part of each recipient. The access title control message enables users of the service to calculate, on the basis of the single cryptogram of a root control word and the identification of the recipient, all the personalized control words which will enable each recipient and him alone to descramble the elements relating to him.
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patent: 5208856 (1993-05-01), Leduc et al.
Computers & Security, vol. 9, No. 6, pp. 539-546, Oct., 1990, L. Harn, et al., "A Cryptographic Key Generation Scheme for Multilevel Data Security".
VLSI and Computer Peripherals, pp. 4-159 to 4-163, May 8-12, 1989, M. Steinacker, "VLSI Cryptotechnology".
Coutrot Francoise
Fevrier Pierre
France Telecom Etablissement (Autonome de Droit Public)
Swann Tod R.
Telediffusion
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