Network Security Cryptography

Nov 24, 2012

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Network Security Cryptography

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Cryptography and Network Security

Cryptography and Network Security. Introduction. The most critical phase of e-transactions is ensuring the security of e-payments and the privacy of the information Transaction contents can be read, modified, or made up by anyone. . Introduction.

1.13k views • 49 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecturer: Dr. Saleem Al_Zoubi. Background. Information Security requirements have changed in recent times traditionally provided by physical and administrative mechanisms

434 views • 22 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 3 – Block Ciphers and the Data Encryption Standard.

653 views • 51 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 7. Pseudorandom Number Generation and Stream Ciphers.

1.06k views • 43 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 13. Digital Signatures.

547 views • 23 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 2. Classical Encryption Techniques.

930 views • 43 slides

Cryptography and Network Security

Cryptography and Network Security . Basics of computer and network S ecurity. Computer security : involves implementing measures to secure a single computer ( protecting the ressources stored on that computer).

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CRYPTOGRAPHY & NETWORK SECURITY

CRYPTOGRAPHY & NETWORK SECURITY. Introduction and Basic Concepts Eng. Wafaa Kanakri Computer Engineering Umm Al- Qura University. CRYPTOGRAPHY & NETWORK SECURITY. Textbook: W. Stallings. Cryptography & Network Security, Fifth Edition. Overview of Cryptography & Its Applications.

1.53k views • 13 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 17. Transport-Level Security. Use your mentality Wake up to reality —From the song, “I’ve Got You Under My Skin”, by Cole Porter. Web Security Considerations.

2.17k views • 36 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 12. Message Authentication Codes.

781 views • 34 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 4. Basic Concepts in Number Theory and Finite Fields.

1.13k views • 50 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 9 – Public Key Cryptography and RSA.

392 views • 24 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Message Authentication and Hash Functions Lecturer: Dr. Saleem Al_Zoubi. Message Authentication. message authentication is concerned with: protecting the integrity of a message validating identity of originator

407 views • 24 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 13 – Digital Signatures & Authentication Protocols.

283 views • 17 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 11 – Message Authentication and Hash Functions.

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Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 6 – Contemporary Symmetric Ciphers.

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CRYPTOGRAPHY & NETWORK SECURITY

CRYPTOGRAPHY & NETWORK SECURITY. Chapter 1:Introduction. Eng. Wafaa Kanakri UMM AL-QURA UNIVERSITY wmkanakri@uqu.edu.sa. Chapter 1 – Introduction.

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Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Symmetric Encryption. or conventional / single-key sender and recipient share a common key was only type prior to invention of public-key in 1970’s. Basic Terminology.

491 views • 39 slides

Cryptography and Network Security

Cryptography and Network Security. IP Security. The need. In CERTs 2001 annual report it listed 52,000 security incidents the most serious involving: IP spoofing intruders creating packets with false address then taking advantages of OS exploits eavesdropping and sniffing

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Network Security & Cryptography

Network Security & Cryptography. Mrs. Okorafor Texas A & M University. What is a network?. A network consists of two or more devices that are linked in order to share resources or allow communications. Can you think of various forms of a network?. Send in homework. Computer Networks.

310 views • 17 slides

Cryptography & Network Security

Cryptography & Network Security. RSA Algorithm Ron R ivest, Adi S hamir and Len A dleman, who invented it in 1977 Used for both public key encryption and digital signatures Plain text is encrypted in blocks, each block having a binary value less than some number n.

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Cryptography Network Systems Security

Cryptography Network Systems Security. Mort Anvari. Cryptography. Can be characterized by type of encryption operations used substitution / transposition / product number of keys used single-key or shared / two-key or public way in which plaintext is processed block / stream.

373 views • 36 slides

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Presentation Transcript

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

CRYPTOGRAPHY &amp; NETWORK SECURITY

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

Cryptography and Network Security

CRYPTOGRAPHY &amp; NETWORK SECURITY

Cryptography and Network Security

Cryptography and Network Security

Network Security &amp; Cryptography

Cryptography &amp; Network Security

Cryptography Network Systems Security

CRYPTOGRAPHY & NETWORK SECURITY

CRYPTOGRAPHY & NETWORK SECURITY

Network Security & Cryptography

Cryptography & Network Security