cryptography and data security
cryptography and data security
... Publication Data
Denning, Dorothy E., (Dorothy Elizabeth), 1945-
Cryptography and data security.
Includes bibliographical references and index.
1. Computers Access control. 2. Cryptography.
3. Data ...
A
Encrypted
Data
vi
PREFACE
cryptographic controls into operating systems and database systems. I hope to
cover these topics better in later editions of the book.
D...
Cryptography and network security principles and practice, 5th edition
... for
both data and for information and computing services. For example, the NIST
standard FIPS 199 (Standards for Security Categorization of Federal Information
Confidentiality
Data
and
services
Integrity
Availability
Figure ... about and understanding this impor-
tant standard. The chapter on AES has been revised and expanded, with additional illus-
trations and a detailed e...
Tài liệu Cryptography and Network Security Principles and Practices, Fourth Edition ppt
... and the use of networks and communications facilities for carrying data
between terminal user and computer and between computer and computer. Network security measures are needed to protect data ... Z A B C
Cryptography and Network Security Principles and Practices, Fourth Edition
41 / 526
[Page 6]
Chapter 1. Introduction
1.1 Security Trends
1.2 The OSI Security Ar...
Cryptography and Network Security docx
... of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09-13 May 2005
Security Guarantees
●
Two possibilities:
–
Unconditional
–
Computational security
●
Unconditional security: ... key
●
Codes versus ciphering
–
Codes are stronger, and also achieve data
compression
Fundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09-13 Ma...
Cryptography and Network Security Chapter 1 doc
...
Aspects of Security
Aspects of Security
consider 3 aspects of information security:
consider 3 aspects of information security:
security attack
security attack
security mechanism
security ... Lawrie Brown
Security Service
Security Service
enhance security of data processing systems
enhance security of data processing systems
and information transfers o...
Cryptography and Network Security Chapter 2 pdf
... plaintext
select plaintext and obtain ciphertext
select plaintext and obtain ciphertext
chosen ciphertext
select ciphertext and obtain plaintext
select ciphertext and obtain plaintext
chosen ...
one substitution, which rotated and
changed after each letter was encrypted
with 3 cylinders have 26
3
=17576 alphabets
Encrypting and Decrypting
Encrypting and Decryptin...
Cryptography and Network Security Chapter 6 pptx
...
main use is sending a few blocks of data
main use is sending a few blocks of data
Cryptography and
Cryptography and
Network Security
Network Security
Chapter 6
Chapter 6
Fourth Edition
Fourth ... for bursty high speed links
random access to encrypted data blocks
random access to encrypted data blocks
provable security (good as other modes)
provable secu...
Cryptography and Network Security Chapter 7 pptx
... by “
created by “
Pseudorandom Number Generators
Pseudorandom Number Generators
(PRNGs)”
(PRNGs)”
Cryptography and
Cryptography and
Network Security
Network Security
Chapter 7
Chapter ... are not truly random
although are not truly random
can pass many tests of “randomness”
can pass many tests of “randomness”
known as “pseudorandom numbers”
known as “pseudorandom num...
Cryptography and Network Security Chapter 8 doc
... & 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
common factor
conversely ... comparing their prime factorizations
divisor by comparing their prime factorizations
and using least powers
and using least powers
eg.
eg.
300
300
=2
=2
1
1
x3
x3
1
1
x5
x5
2
2...
Cryptography and Network Security Chapter 9 doc
...
Cryptography and
Cryptography and
Network Security
Network Security
Chapter 9
Chapter 9
Fourth Edition
Fourth Edition
by William ...
Summary
Summary
&
&
principles of public-key cryptography
principles of public-key cryptography
RSA algorithm, implementation, secur...