'Asymmetric public key encryption' diaporamas de présentation

Chapter 2

Security in Computing, 4 th Ed, Pfleeger. Chapter 2. Elementary Cryptography. In this chapter. Concepts of encryption Cryptanalysis: how encryption systems are "broken" Symmetric (secret key) encryption and the DES and AES algorithms Asymmetric (public key) encryption and the RSA algorithm

1.27k views • 92 slides

Chapter 2

Security in Computing, 4 th Ed, Pfleeger. Chapter 2. Elementary Cryptography. In this chapter. Concepts of encryption Cryptanalysis: how encryption systems are "broken" Symmetric (secret key) encryption and the DES and AES algorithms Asymmetric (public key) encryption and the RSA algorithm

1.07k views • 92 slides

Chapter 2

Security in Computing, 4 th Ed, Pfleeger. Chapter 2. Elementary Cryptography. In this chapter. Concepts of encryption Cryptanalysis: how encryption systems are "broken" Symmetric (secret key) encryption and the DES and AES algorithms Asymmetric (public key) encryption and the RSA algorithm

923 views • 92 slides

Lecture 02 Symmetric Cryptography 1

Lecture 02 Symmetric Cryptography 1. Dr. Supakorn Kungpisdan supakorn@mut.ac.th. Roadmap. Overview of Cryptography Types of Cryptography Symmetric Cryptography Classical Cryptographic Techniques Block Ciphers Modern Cryptographic Techniques. Basic Terminology.

906 views • 70 slides

Coded Modulation and the Arrival of Signcryption

Enhancing Crypto-Primitives with Techniques from Coding Theory NATO Advanced Research Workshop 6-9 Oct. 2008, Veliko Tarnovo, Bulgaria. Coded Modulation and the Arrival of Signcryption. Yuliang Zheng University of North Carolina at Charlotte yzheng@uncc.edu. Outline.

499 views • 33 slides

E-COMMERCE

E-COMMERCE. CIT 245. By Mohammed A. Saleh. 1. PKI INFRASTRUCTURE. The Key to Security: Cryptography Relies on two basic components: an algorithm and a key An algorithm is a method used to encrypt a message and a key is an object used to decrypt a message.

306 views • 19 slides

187 views • 16 slides

HTTPS

HTTPS. HTTPS = HTTP + SSL. HTTPS. (HTTPS) Hypertext Transfer Protocol over Secure Socket Layer (SSL). First implementation of HTTP over SSL was issued in 1995 by Netscape. Cryptography. Important information Data, Data, Data. Plain Text. Encryption Encryption Algorithm = cipher.

110 views • 9 slides