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4.1 4.2 4.3 4.44.2 Hash¼êS5‡éÑü‡‘ÅžExÚx ′ §¦h(x) = h(x ′ )´(J"Ø÷v±þ^‡‘5S¯KµAliceŒ|^)FôÂÐ¢Bobµ1 AliceO˜°ÜÓü«‡x 1 , x 2 §x 1 éBobk|§x 2 ò¦¦»"2 Aliceéx 1 , x 2 Ñ‰ØK ÙSN[‡?U£X\˜‚!ò‚¤§¿©OOŽÑŠ"3 AliceéÑx 1 , x 2 ?U‡¥hashŠ˜—ü‡‡x1 ′, x 2 ′§=÷vh(x1 ′) = h(x 2 ′)"4 Alice4Bobéx1 ′ hashŠh(x 1 ′)?1êi\£lÇþÄ§êi\˜„ éžEÁ‡\¤"5 Alice•{Ìy²BobéØ|u¦ÜÓx2 ′\§Ïh(x1 ′) = h(x 2 ′)"
4.1 4.2 4.3 4.44.2 Hash¼êS5o(µ˜‡Hash¼ê@ ´S§I‡é±en‡¯KÑ´J)µ¯K4.1”£Preimage¤¢~µ Hash¼êh : X → Y Úy ∈ YéÑµ x ∈ X ¦h(x) = y"¯K4.21”¢~µ Hash¼êh : X → Y Úx ∈ YéÑµ x ′ ∈ X ¦x ′ ≠ x§¿…h(x ′ ) = h(x)"
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: 4.1 4.2 4.3 4.44.2 Hash¼êS5¯Kµ
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 and 50: 4.3.2 SHashŽ{SHA-1Ž{(µÑ\Ý|x|
Page 51 and 52: 4.3.2 SHashŽ{SHA-1OŽL§µÑ\µ xW
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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