Hashå½æ° - å京大å¦è®¡ç®æºç§å¦ææ¯ç 究æ
Hashå½æ° - å京大å¦è®¡ç®æºç§å¦ææ¯ç 究æ
Hashå½æ° - å京大å¦è®¡ç®æºç§å¦ææ¯ç 究æ
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
4.1 4.2 4.3 4.44.4.2 CBC-MACCBC-MAC‰Ñd©|—èEMAC {µ—èN›4.2 CBC-MAC(x, K )©|\—µ e KÑ\µ -x = x 1 ||x 2 || . . . ||x n §z‡x i Ñ´t'AGЩ•þµ IV = 00 . . . 0OŽL§µ 1 y 0 ← IV2 for i ← 1 to nÑѵ y ndo y i ← e K (y i−1 ⊕ x i )`²µCBC-MACMAC(J⇐⇒±Kªeéx\— ˜‡—©©|"—§CBC©|\—