PAIRING COMPUTATION APPARATUS, PAIRING COMPUTATION METHOD, AND COMPUTER PROGRAM PRODUCT
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Jul 17, 2014
filing date -
Jul 19, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to an embodiment, a pairing computation apparatus receives two points on a predetermined elliptic curve defined on a finite field, and outputs a pairing value that is an element on an extension field of the finite field. The apparatus includes a Miller function computation unit and a final exponentiation unit. The Miller function computation unit is configured to compute a Miller function based on a predetermined pairing method. The final exponentiation unit is configured to perform computation including raising the element on the extension field to the power of a value determined on the basis of a loop parameter of the Miller function.
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