ENCRYPTION PROCESSING DEVICE, ENCRYPTION PROCESSING METHOD, AND COMPUTER PROGRAM

PROBLEM TO BE SOLVED: To achieve miniaturization and cost reduction of a device by simplifying an encryption processing circuit that executes a round function repeatedly. SOLUTION: A round function is executed by inputting only a round key KAigenerated based on a first intermediate key KA in a round...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIBUYA KOUSHI, AKISHITA TORU, MORIAI SHIHO, SHIRAI TAIZO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS SEALS
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