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第 6章访问控制 - Access Control PowerPoint PPT Presentation


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第 6章访问控制 - Access Control. 第1章. 设备防盗(加锁、贴标签、机柜、移动设备锁) 机房的三度要求 温度 21℃ 士 3℃ 湿度 40 %~ 60 % 洁净度 灰尘 防静电措施(静电是电子设备的天敌) 电源(依据安全等级,配置 UPS 设备) 防火、防水措施. 补讲知识点:计算机实体安全. 第 2 页. 主要内容:. 6.1 访问控制 6.2 认证 6.3 授权 6.4 小结. 第 3 页. 主要目标:. 掌握访问控制基本原理及技术. 6.1 访问控制. 访问控制:

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第 6章访问控制 - Access Control

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6- Access Control

1


213

4060

UPS

2


6.1

6.2

6.3

6.4

3



6.1

  • --

  • --


-


-

-

7


8




  • subject

  • object


-

12


-

13


6.2

  • ()


15


16


17


18


19


20


  • 5.12DNA

21


6.2.1 -


frank

Fido

password

4444

Pikachu

102560

AustinStamp

?

jfIej,43j-EmmL+y

09864376537263

P0kem0N

FSa7Yago

0nceuP0nAt1m8

PokeGCTall150


A

B

C8


A30%

B10%

C10%


10%



LOphtCrackWindows

John the RipperUNIX


6.2.2 -



-

()


-


-


-


BobAliceAliceAlice



Ukey

6.2.3 -

1. Im Alice

3. PIN, R

2. R

4.h(K,R)

5. h(K,R)

Alice

Bob, K


6.3

  • Alice


6.3.1

  • Access Control MatrixACM--


  • -- --

  • Xrw


Subjects (users) index the rows

Objects (resources) index the columns

OS

Bob

Alice

Sam


42


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