Telecommunication installation with secure remote loading of pre

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

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380 23, 380 49, 379 91, 455 541, H04K 100

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054127262

ABSTRACT:
The installation comprises a remote loading mode in which in response to a remote loading request word (R) for a predetermined number of value units emanating from the autonomous set (PA), there is provided:

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Ghillebert, B. et al., "Le systeme cellulaire numerique europeen de communication avec les mobiles", L'Echo des Recherches, No. 131, pp. 5-16, First Quarter (1988).
Jolie, P. et al., "Une application de la carte a microprocesseur: le module d'identite d'abonne du radiotelephone numerique europeen", L'Echo des Recherches, No. 139, pp. 13-19, First Quarter (1990).
Ferreira, R. C., "The Smart Card: A High Security Tool in EDP", Phillips Telecommunication Review, vol. 47, No. 3, Hilversum NL, pp. 1-19 (Sep. 1989).

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