Cryptography and Network Security doc

... Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09-13 May 2005 Cryptography and Network Security Bhaskaran Raman Department of CSE, IIT Kanpur Reference: Whitfield Diffie and ... of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09-13 May 2005 Security Guarantees ● Two possibilities: – Unconditional – Computational security ● Un...

Ngày tải lên: 05/03/2014, 23:20

... simple stateless protocol and is easy to secure – FTP is complex and hard to secure • stateful protocol • uses two ports (20, 21) • extensive command structure • user ids and passwords are often ... testing and pressure to meet product release dates is conducive to buggy code and/ or development code to still be in the code • SMNP, RIP and OSPF are used for remote configuration...

Ngày tải lên: 29/03/2014, 15:20

... security detection, security audit trails, security recovery recovery Model for Network Security Model for Network Security Model for Network Security Model for Network Security  using this ... • computer, network, internet security computer, network, internet security  X.800 standard X.800 standard  security attacks, services, mechanisms security atta...

Ngày tải lên: 06/03/2014, 16:20

... Remainder Theorem  Discrete Logarithms Discrete Logarithms Cryptography and Cryptography and Network Security Network Security Chapter 8 Chapter 8 Fourth Edition Fourth Edition by William ... & 15 are relatively prime since factors of 8 are 1,2,4,8 and of 15 are 1,3,5,15 and 1 is the only 1,2,4,8 and of 15 are 1,3,5,15 and 1 is the only common factor co...

Ngày tải lên: 06/03/2014, 16:20

... x a) mod n f = (f x a) mod n return f return f Cryptography and Cryptography and Network Security Network Security Chapter 9 Chapter 9 Fourth Edition Fourth Edition by William ... public-key cryptography principles of public-key cryptography  RSA algorithm, implementation, security RSA algorithm, implementation, security Chapter 9 – Chapter 9 – Pub...

Ngày tải lên: 06/03/2014, 16:20

... Subject to much controversy CS595 -Cryptography and Network Security Cryptography and Network Security Block Cipher Xiang-Yang Li CS595 -Cryptography and Network Security History q IBM LUCIFER 60’s Ø ... software) q Will call these p-boxes CS595 -Cryptography and Network Security Cont. CS595 -Cryptography and Network Security Substitution-permutation Netw...

Ngày tải lên: 22/03/2014, 14:20

... left-hand side and the decryption process going up the right-hand side for a 16-round algorithm. For clarity, we use the notation and for data traveling through the encryption algorithm and and ... have = 03A6 and . Now let’s look at the decryption.We assume that and , as shown in Figure 3.3, and we want to demonstrate that and . So, we start with and . Then, from Figure 3.3,...

Ngày tải lên: 07/12/2013, 11:53

... you can go back and start with simplified AES. Cryptography and Network Security Principles and Practices, Fourth Edition 111 / 526 Cryptography and Network Security Principles and Practices, ... a clever set of examples and projects to aid in giving students a visual understanding of key concepts in abstract algebra Cryptography and Network Security Principles...

Ngày tải lên: 18/02/2014, 08:20

... languages English Letter Frequencies English Letter Frequencies Cryptography and Cryptography and Network Security Network Security Chapter 2 Chapter 2 Fourth Edition Fourth Edition by William ... row and in the column letter in the same row and in the column of the other letter of the pair of the other letter of the pair Security of Playfair Cipher Security...

Ngày tải lên: 06/03/2014, 16:20

... noisy channels Output FeedBack (OFB) Output FeedBack (OFB) Cryptography and Cryptography and Network Security Network Security Chapter 6 Chapter 6 Fourth Edition Fourth Edition by William ... DES K1 K1 (i) (i)  uses: high-speed network encryptions uses: high-speed network encryptions Counter (CTR) Counter (CTR) Advantages and Limitations of Advantages and...

Ngày tải lên: 06/03/2014, 16:20