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EP0430734A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

System and method to securely operate a computerprogram

Assignee: Schlumberger SA
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Filing: 1990-11-05
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Granted: —
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Expires: 2010-11-05
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Abstract

Abstract Translated from French L'invention concerne un procédé et un système pour sécuriser l'exploitation d'un logiciel. En même temps qu'il reçoit le support (16) du logiciel, l'utilisateur reçoit une carte à mémoire (24) qui doit rester engagée dans le lecteur 20 associé à la machine informatique (10). Certains résultats intermédiaires sont stockés dans la mémoire de la carte, et non dans la machine (10). Dans l'exécution ultérieure du logiciel les résultats intermédiaires sont lus dans la mémoire de la carte. The invention relates to a method and a system for securing the operation of software. At the same time that he receives the software support (16), the user receives a memory card (24) which must remain engaged in the reader 20 associated with the computer machine (10). Certain intermediate results are stored in the memory of the card, and not in the machine (10). In the subsequent execution of the software the intermediate results are read from the card memory.

Inventors

  • 👤 Daniel Beysson

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 15:58
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008; G06; G06F; G06F21/00; G06F21/10; G06F21/12; G06F21/121; G06F21/123; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/346; G06F2207/00; G06F2207/72; G06F2207/7219; G06F2211/00; G06F2211/007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

EP0135422A1 Cited
FR2606185A1 Cited
WO1988005941A1 Cited
EP0314148A2 Cited

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