WHITE-BOX IMPLEMENTATION

WHITE-BOX IMPLEMENTATION

A system for enabling a device to compute an outcome of an exponentiation Cx having a base C and/or an exponent x, the system comprising means for establishing a plurality of values λi; means for establishing a plurality of values ωi satisfying ωi=Cλi; means for establishing a plurality of values i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MICHIELS WILHELMUS P.A.J, GORISSEN PAULUS M.H.M.A
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A system for enabling a device to compute an outcome of an exponentiation Cx having a base C and/or an exponent x, the system comprising means for establishing a plurality of values λi; means for establishing a plurality of values ωi satisfying ωi=Cλi; means for establishing a plurality of values i satisfying that the sum of the values λi i equals x; and an output for providing the device with the plurality of values i. A device computes an outcome of the exponentiation Cx. The device comprises means for computing a product of the values ωi to the power of i. The device is arranged for using the product as a result of the exponentiation Cx.