Computation device and method

Computation device and method

Some embodiments are directed to an electronic computation device (100) arranged for obfuscated execution of a multiplication. The device comprises a storage (120) arranged for storing multiple variables used in the execution of an arithmetic operation, a variable (x: y; 2) of the multiple variables...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Rietman, Ronald, De Hoogh, Sebastiaan Jacobus Antonius
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:Some embodiments are directed to an electronic computation device (100) arranged for obfuscated execution of a multiplication. The device comprises a storage (120) arranged for storing multiple variables used in the execution of an arithmetic operation, a variable (x: y; 2) of the multiple variables being represented as multiple multiplicative shares (X=(x0, x1, . . . , xm−1); Y=(y0, y1, . . . , ym−1); 20), said multiplicative shares being represented in the storage as multiple additive shares (xi=(xi,0,xi,1, . . . , xi,n−1); Yi=(yi,0,yi,1, . . . , yi,n−1); 210, 220).