Cryptography and Network Security doc
Cryptography and Network Security docx
... 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
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Two possibilities:
–
Unconditional
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Computational security
●
Un...
Cryptography and Network Security doc
... 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...
Cryptography and Network Security Chapter 1 doc
... 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...
Cryptography and Network Security Chapter 8 doc
... 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...
Cryptography and Network Security Chapter 9 doc
... 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...
Cryptography and Network Security Block Cipher doc
... 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...
Cryptography and network security principles and practice, 5th edition
... 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,...
Tài liệu Cryptography and Network Security Principles and Practices, Fourth Edition ppt
... 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...
Cryptography and Network Security Chapter 2 pdf
... 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...
Cryptography and Network Security Chapter 6 pptx
... 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...
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