Nim and sha1 - Speaker Deck

Nim and sha1

by Yoshihiro Tanaka

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/JN 4IB

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w "OESPJE"QQMJDBUJPOT&OHJOFFS w $ZCFS"HFOU*OD w /JN w 0"VUI TIBFYUMJCSBSZ w ͋ͱ৭ʑ :PTIJIJSP5BOBLB 5XJUUFS@$PSEFB (JU)VC$03%&"

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$VSSFOUTUBUVTPG TIB

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/JN`TTUBOEBSEMJCSBSZ TUETIB

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TIB $SFBUFECZPOJPOIBNNFS

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TIBFYU $SFBUFECZNF

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MJCTIB $SFBUFECZGPSMBOVB

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OJNTTM $SFBUFECZHFOPUSBODF

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8IZ

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w4UETIB͸·ͩͪΐͬͱ࢖͍ͮΒ͍ w௕Β͘TUETIB͸TFDVSF)BTIͱ͍͏໊લ Ͱɺͦ΋ͦ΋༻్͕গ͠ҟͳ͍ͬͯͨ

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ͳͥTIBFYUΛ࡞͔ͬͨ

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w0"VUIΛTUETIBʹґଘ͔ͤͨͬͨ͞ wࠓ͸ଞͷਓͷMJCSBSZʹґଘ͍ͯͯ͠ɺ࠷ۙ ͷ/JNͷCSFBLJOHDIBOHFTͷଟ͞Λߟ͑ ΔͱTUEͷํ͕҆৺ wͨͩTUETIBʹ͸े෼ͳػೳ͕ఏڙ͞Ε ͍ͯͳ͔ͬͨ ͜ͷลͷ಺༰͸͢ͰʹJTTVF Ͱٞ࿦͞Ε͍ͯΔ

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3FMBUFEJTTVF /JN

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$PODMVTJPO

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w0"VUI͕ґଘ͍ͯ͠ΔMJCSBSZʹݶΒͣɺϝϯ ς଎౓͕མ͍ͪͯͨΓɺϝϯς͞Ε͍ͯͳ͍ MJCSBSZ͸݁ߏ͋Δ