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Hash函数 - 北京大学计算机科学技术研究所

Hash函数 - 北京大学计算机科学技术研究所

Hash函数 - 北京大学计算机科学技术研究所

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4.3.1 Merkle-Damgȧrd(e¡·‚ÆS˜«dØ ¼êEHash¼ê {§¡Merkle-Damgȧrd(§§k±eA:µXJØ ¼ê´-E­§@o¤EHash¼ê ´-E­"bØ ¼êcompress : {0, 1} m+t → {0, 1} m §Šât = 1Út ≥ 2©2«œ¹?Ø"t ≥ 2ž§·‚¦^ÚÖ¥ØÓ?Ø {µkíHash¼ê -E­ž7‡^‡§, Šâ7‡^‡‰ÑEŽ{"t = 1žE²)"{y²dÓÆ‚gÆ(=½n4.6y

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