- Nov 10 Thu 2005 12:52
氣息
- Nov 08 Tue 2005 07:40
[音樂介紹]俄羅斯男高音 Vita
- Nov 08 Tue 2005 07:38
網安2005midterm重點- Chapter15
Chapter 15
1. PGP Cryptographic Functions(Figure 15.1) (p. 439)
Confidentiality and authentication
Figure 15.1(c):
- Nov 08 Tue 2005 07:37
網安2005midterm重點- Chapter9
Chapter 9
1. Public-key cryptology
Based on Mathematics, rather than Substitution and Permutation.
Using two keys, rather than only one key.
- Nov 08 Tue 2005 07:36
網安2005midterm重點- Chapter7
Chapter 7
1. Placement of Encryption Function
Two major approaches(Figure. 7.2) (p. 205)
a). Link encryption
- Nov 08 Tue 2005 07:35
網安2005midterm重點- Chapter3
Chapter 3
1. DES (Data Encryption Standard) (p. 72)
Encrypted in 64-bit blocks using 56-bit key.
Considerable controversy over design
- Nov 08 Tue 2005 07:33
網安2005midterm重點- Chapter2
Chapter 2
Basic Terminology
1. plaintext(明文) - the original message.
2. ciphertext(密文) - the coded message.