Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hanae Ikeda0
Kenji Kojima0
Shinichi Kawamura0
Date of Patent
September 4, 2007
Patent Application Number
10440362
Date Filed
May 19, 2003
Patent Primary Examiner
Patent abstract
A modular multiplication apparatus comprises a calculation unit which comprises processing units including a multiplier-adder unit and performs a modular multiplication by carrying out pipeline processes by the processing units; and a calculator configured to, before a first pipeline process, carry out a predetermined calculation for a processing result of one of the processing units in a pipeline process immediately before the first pipeline process, and when the first pipeline processes supply a calculation result of the predetermined calculation to a processing unit at an initial stage of the first pipeline process.
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