HOMOMORPHIC ENCRYPTION SYSTEM FOR SUPPORTING APPROXIMATE ARITHMETIC OPERATION AND METHOD OF OPERATING THE SAME

HOMOMORPHIC ENCRYPTION SYSTEM FOR SUPPORTING APPROXIMATE ARITHMETIC OPERATION AND METHOD OF OPERATING THE SAME

A homomorphic encryption system includes a homomorphic encryption device encrypting original data into a first ciphertext using a homomorphic encryption algorithm, and a homomorphic encryption operation device receiving the first ciphertext from the homomorphic encryption device and performing an ap...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NA, Hanbyeul, SON, Hongrak, MOON, Youngsik, KIM, Jiyoup
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A homomorphic encryption system includes a homomorphic encryption device encrypting original data into a first ciphertext using a homomorphic encryption algorithm, and a homomorphic encryption operation device receiving the first ciphertext from the homomorphic encryption device and performing an approximate arithmetic operation of a transcendental function with respect to the first ciphertext and a second ciphertext by performing a homomorphic multiplication operation in a binary tree structure.