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Random number, PRNG

Random number, PRNG

現代暗号理論の輪講講義用のスライド.
乱数,擬似乱数生成器,擬似乱数生成器への攻撃について.
教科書:暗号技術入門 第3版(著:結城 浩)

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Kensuke Kosaka

December 12, 2015

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  1. ઢܗ߹ಉ๏ ٖࣅཚ਺R0 ɼR1 ɼR2 ɼ…Λ࡞Δ ٖࣅཚ਺ͷछ͔Β࣍ͷܭࢉࣜͰ࠷ॳͷٖࣅཚ਺Λ࡞Δ R0 = ( A

    × छ + C ) mod M AɼCɼM͸ఆ਺ɼA < MɼC < M ࣍ʹɼR0 ͔Βಉ͡ܭࢉࣜͰR1 Λ࡞Δ R1 = ( A × R0 + C ) mod M ͜ΕΛ܁Γฦ͢