Services and Security through Cryptography

Jan 19, 2013

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Securing your Server. So, you wanna secure your server? The usual steps apply:Run only what you need nothing extra.Keep it up-to-date.Is your kernel patchable"?Run DNS (BIND) in a jail?Watch permissions

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Services and Security through Cryptography

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Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 20 – Firewalls. The function of a strong position is to make the forces holding it practically unassailable — On War, Carl Von Clausewitz. Introduction.

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Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 9. Public Key Cryptography and RSA.

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Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 6. Block Cipher Operation.

1.37k views • 26 slides

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Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 5. Advanced Encryption Standard. “It seems very simple.” “It is very simple. But if you don’t know what the key is it’s virtually indecipherable.” — Talking to Strange Men, Ruth Rendell.

805 views • 29 slides

Security and Cryptography

Security and Cryptography. Security Threats. Impersonation Pretend to be someone else to gain access to information or services Lack of secrecy Eavesdrop on data over network Corruption Modify data over network Break-ins Take advantage of implementation bugs Denial of Service

477 views • 37 slides

CRYPTOGRAPHY AND INFORMATION SECURITY

CRYPTOGRAPHY AND INFORMATION SECURITY. Lecturer: Dr. Nguyen Nam Hong Tel.: 048781437. Mobi.: 0912312816. Email: nguyennamhong2003@yahoo.com.au Website: www.freewebs.com/namhongthanhloc. COURSE CONTENTS (1/4). 1. Introduction 2. Classical Encryption Techniques 3. Block Cipher

479 views • 32 slides

CRYPTOGRAPHY AND INFORMATION SECURITY

CRYPTOGRAPHY AND INFORMATION SECURITY. Lecturer: Dr. Nguyen Nam Hong Tel.: 048781437. Mob.: 0912312816. Email: nguyennamhong2003@yahoo.com.au Website: www.freewebs.com/namhongthanhloc Chapter 16. Electronic Mail Security. Chapter 16. Electronic Mail Security (1/3).

521 views • 32 slides

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Security and Cryptography. Portions stolen from Prof. Sahai (spring 2001). December 4, 2001. Administrivia. Homework assignment 7 due today Homework Assignment 8 due January 7,2002 Homework 9 Part a due next Tuesday Part b due next Thursday Part c due next Friday Lab 8 this week

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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.

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Security: Cryptography

Security: Cryptography. I206 Spring 2012 John Chuang. Some slides adapted from Coulouris, Dollimore and Kindberg; Dave Messerschmidt; Adrian Perrig. Eavesdropping passwords, credit card numbers, etc. Tampering of data Birthday attack Impersonation Replay attack

283 views • 16 slides

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Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 1. Overview.

1.07k views • 30 slides

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Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 9 – Public Key Cryptography and RSA. Private-Key Cryptography. traditional private/secret/single key cryptography uses one key shared by both sender and receiver

510 views • 20 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Chapter 12 – Hash Algorithms.

470 views • 27 slides

Security and Cryptography

476 views • 24 slides

Cryptography and Network Security

Cryptography and Network Security. Number theory. Topics. Basic Number theory Chinese Remainder theorem Fermat and Euler's theorem Primality test – factoring. The basics – and a few minor details. Modulo arithmetic Addition and additive inverse are easy

379 views • 22 slides

Security and Cryptography

Security and Cryptography. CS-502 Operating Systems Fall 2007 (Slides include materials from Operating System Concepts , 7 th ed., by Silbershatz, Galvin, & Gagne and from Modern Operating Systems , 2 nd ed., by Tanenbaum). Puzzle. Alice wishes to send secret message to Bob

701 views • 54 slides

Fundamentals of Cryptography: Algorithms, and Security Services

Register to the course mailing list: https://lists.ccs.neu.edu/bin/listinfo/csg254. Fundamentals of Cryptography: Algorithms, and Security Services. Professor Guevara Noubir Northeastern University noubir@ccs.neu.edu. Cryptography: Theory and Practice, Douglas Stinson, Chapman & Hall/CRC

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