Title:
カバート・チャネル攻撃に対して安全な整数除算法
Document Type and Number:
Japanese Patent JP2006506676
Kind Code:
A
Abstract:
The integer division is of the type q = a div b and r = a mod b, where a is a m-bit number, b a n-bit number with n less than or equal to m. At each iteration of a loop between 1 and m-n+1, a partial division is performed, with the same operations performed at each iteration, using successive subtraction or addition of complements.
Inventors:
Marc Joyer
Carine Villegas
Carine Villegas
Application Number:
JP2004552816A
Publication Date:
February 23, 2006
Filing Date:
November 13, 2003
Export Citation:
Assignee:
GEMPLUS
International Classes:
G09C1/00; G06F7/52; G06F7/535; G06F7/72
Attorney, Agent or Firm:
Makoto Hagiwara