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4.3.2 SHashŽ{SHA-1Ž{(µš‚5¼êf 0 , f 1 , . . . , f 79 µ⎧(B ∧ C) ∨ (¬B) ∧ D) éu0 ≤ t ≤ 19⎪⎨B ⊕ C ⊕ D éu20 ≤ t ≤ 39f t (B, C, D) =(B ∧ C) ∨ (B ∧ D) ∨ (C ∧ D)) éu40 ≤ t ≤ 59⎪⎩B ⊕ C ⊕ D éu60 ≤ t ≤ 79Ñ\B, C, D´n‡i"~êK t , 0 ≤ t ≤ 79
4.3.2 SHashŽ{SHA-1OŽL§µÑ\µ xW¿µ y ← SHA − 1 − PAD(x)~êµ K 0 , . . . , K 79y©µ -y = M 1 ||M 2 || . . . ||M n §Ù¥z‡M i´˜‡512'A©|"IVŠµ H 0 ||H 1 ||H 2 ||H 3 ||H 4 || ←67452301||EFCDADCFE||10325476||C3D2E1F0
Page 1 and 2: 密码学基础第四章 :Has
Page 3 and 4: 作业 Hash 函数与数据
Page 5 and 6: 4.1 4.2 4.3 4.44.1 Hash¼ê†êâ5
Page 7 and 8: 4.1 4.2 4.3 4.44.1 Hash¼ê†êâ5
Page 9 and 10: 4.1 4.2 4.3 4.44.2 Hash¼êS5¯Kµ
Page 11 and 12: 4.1 4.2 4.3 4.44.2 Hash¼êS5o(µ˜
Page 13 and 14: 4.2 Hash¼êS5Ø÷vHashS‡¦~fµ~
Page 15 and 16: 4.2 Hash¼êS5ý¢~f2µSHA (Secure
Page 17 and 18: 4.1 4.2 4.3 4.44.2.1 ‘Åš«.!·
Page 20 and 21: 4.2.2 ‘Åš«.¯K4.2¤õVÇTheore
Page 22 and 23: 4.1 4.2 4.3 4.44.2.2 é-E¯K)FôÂX
Page 24 and 25: 生日攻击无碰撞概率
Page 26 and 27: 4.2.2 é-E¯K)FôÂÄ)FÒØ½n4.4˜
Page 28 and 29: 4.2.3 安全性准则的比
Page 31 and 32: 4.1 4.2 4.3 4.4éHash¼ên‡¯KJÝ
Page 33 and 34: 4.3 S“Hash¼êcompress : {0, 1} m
Page 35 and 36: ÑÑC†µbg : {0, 1} m → {0, 1}
Page 37 and 38: 4.3.1 Merkle-Damgȧrd(e¡·‚ÆS˜
Page 39 and 40: 4.3.1 Merkle-Damgȧrd(·Kµ by ≠
Page 41 and 42: 4.3.1 Merkle-Damgȧrd([y²£Y¤3 br
Page 43 and 44: 4.3.1 Merkle-Damgȧrd(Ž{4.6µt ≥
Page 45 and 46: 4.1 4.2 4.3 4.44.3.1 Merkle-Damgȧr
Page 47 and 48: MD5/SHA-1 Overview
Page 49: 4.3.2 SHashŽ{SHA-1Ž{(µÑ\Ý|x|
Page 53 and 54: 4.1 4.2 4.3 4.44.3.2 SHashŽ{SHAS5y
Page 55 and 56: 4.1 4.2 4.3 4.44.4 žE@yèžE@yL§
Page 57 and 58: 4.1 4.2 4.3 4.44.4 žE@yèïþMACŽ
Page 59 and 60: 4.1 4.2 4.3 4.44.4.1 i@MACÚHMACi@M
Page 61 and 62: 4.1 4.2 4.3 4.44.4.2 CBC-MACCBC-MAC
Page 63 and 64: HMAC specified as Internet standard
Page 65: HMAC Security know that the securit

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