'Public key cryptography' diaporamas de présentation

Cryptography

Cryptography. Public Key vs. Private Key Cryptosystems. by William M. Faucette. Department of Mathematics State University of West Georgia. What is Cryptography?.

1.1k views • 83 slides

Introduction

Introduction. ECE 424 / CS 463: Computer Security. Administrative Aspects. Course web page: http://www.crhc.uiuc.edu/~yihchun/424 Syllabus: Midterm date TBA. Please report any conflicts. Probably around 10/16 or later Project: Free-form, groups of 1-3 Make-up Classes.

730 views • 66 slides

Cryptography: Basics

618 views • 48 slides

Network Security Essentials Chapter 3

822 views • 46 slides

Confidentiality, Privacy, and Security

Confidentiality, Privacy, and Security. William A. Yasnoff, MD, PhD Oregon Health Division. Overview. Definitions Fair Information Practices Policies and Procedures Legislation Authentication Encryption Firewalls WWW security. Definitions.

740 views • 37 slides

Embedded XML Web Services

Embedded XML Web Services. Realizing a Seamless and Interoperable World through Invisible Computing Johannes Helander Researcher Microsoft Research March 2, 2005. Research Agenda. Make deeply embedded devices interoperable with all classes of computers Extend XML Web Services to new areas

524 views • 37 slides

The Power of Randomness in Computation

The Power of Randomness in Computation. David Zuckerman University of Texas at Austin. Outline. Power of randomness: Randomized algorithms Monte Carlo simulations Cryptography (secure computation) Is randomness necessary? Pseudorandom generators Randomness extractors.

682 views • 36 slides

The Power of Randomness in Computation

The Power of Randomness in Computation. David Zuckerman University of Texas at Austin. Outline. Power of randomness: Randomized algorithms Monte Carlo simulations Cryptography (secure computation) Is randomness necessary? Pseudorandom generators Randomness extractors.

477 views • 36 slides

RSA and Public Key Cryptography

626 views • 29 slides

Basics of Cryptography and Steganography (Handout 5)

Basics of Cryptography and Steganography (Handout 5). July 2012 Clark Thomborson University of Auckland. My Attack Taxonomy for Communication Systems with A ccess C ontrol and Identification. Interception (attacker reads the message);

428 views • 28 slides

Chapter 11

Chapter 11. Theory of Computation. Chapter 11: Theory of Computation. 11.1 Functions and Their Computation 11.2 Turing Machines 11.3 Universal Programming Languages 11.4 A Noncomputable Function 11.5 Complexity of Problems 11.6 Public Key Cryptography. Functions.

450 views • 27 slides

Introduction to Cryptography

Introduction to Cryptography. Based on: William Stallings, Cryptography and Network Security. Chapter 10. Other Public-Key Cryptosystems. Diffie-Hellman Key Exchange. First published public-key algorithm A number of commercial products employ this key exchange technique

732 views • 26 slides

E-Cash & Mobile Payments

428 views • 26 slides

Computer Data Security & Privacy

381 views • 24 slides

The Evolution of Public Key Cryptography

The Evolution of Public Key Cryptography. Martin E. Hellman Professor Emeritus of Electrical Engineering October 9, 2003. Personal Evolution. Privacy and Authentication. Privacy prevents unauthorized users from reading messages not intended for them.

410 views • 20 slides

Tyepmg Pi c Gvctxskvetl c

Tyepmg Pi c Gvctxskvetl c. The Caesar Cipher (Suetonius).

282 views • 18 slides

Security Through Encryption

Security Through Encryption. Different ways to achieve security of communication data. Keep things under lock and key Physical Encryption Through password protection. Sender, Listener, Eavesdropper. Encryption, Authentication, Non-repudiation. Encryption

348 views • 13 slides

211 views • 13 slides

Cryptography: an overview

Cryptography: an overview. Outline. Security components Security mechanisms: Symmetric Cryptography Asymmetric Cryptography Cryptographic Checksums Digital Signatures. Security components. aka. Security Goals Confidentiality : Data is only for the authorized.

195 views • 11 slides

The Idea of Public Key Cryptography

The Idea of Public Key Cryptography . Cunsheng Ding HKUST, Hong Kong. The Idea of Public Key Cryptography. Put (lock, locking key) in the public domain, i.e., in a post office. Anyone who wants to send me a letter confidentially can do the following: Buy a strong box

184 views • 5 slides