'Shamir' presentation slideshows

Chapter 8: Network Security

1.07k views • 87 slides

Network Security

937 views • 81 slides

Self-stabilizing ( f , g )-Alliances with Safe Convergence

688 views • 59 slides

Public-Key Cryptography and Message Authentication

Public-Key Cryptography and Message Authentication. Henric Johnson Blekinge Institute of Technology, Sweden http://www.its.bth.se/staff/hjo/ henric.johnson@bth.se. OUTLINE. Approaches to Message Authentication Secure Hash Functions Digital Signatures. Message Authentication.

907 views • 55 slides

COMPUTER VIRUSES

COMPUTER VIRUSES. Christopher Motl February 21, 2008. Computers & Viruses. History of Computer Viruses. How Viruses Work. Virus DetectionRemovalAnalysis. Alternative Detection Method. Computer Immune System. Miscellaneous Other Topics. OVERVIEW. COMPUTERS AND VIRUSES.

505 views • 34 slides

Multiparty Unconditionally Secure Protocols

Multiparty Unconditionally Secure Protocols . D. Chaum, C. Crepeau, and I. Damgaard presented by Chi Bun Chan Nov 15, 2004. Secure Multiparty Computation. System n participants: P 1 , P 2 , ..., P n P i has a secret value x i All participants agree on a multivariable function F Goals

453 views • 21 slides

Pretty Good Privacy

452 views • 17 slides

An Efficient Identity-based Cryptosystem for End-to-end Mobile Security

An Efficient Identity-based Cryptosystem for End-to-end Mobile Security. IEEE Transactions on Wireless Communications, 2006 Jing-Shyang Hwu, Rong-Jaye Chen, Yi-Bing Lin 2008. 12. 04 Presented by Jang Chol Soon. Contents. Introduction Background ID-based Encryption Elliptic Curves

327 views • 17 slides

WiMAX Security( ?? ) - encryption - Public key infrastructure

WiMAX Security( ?? ) - encryption - Public key infrastructure. Why encryption?. Encryption a mechanism that protects data confidentiality and integrity plaintext to ciphertext. Encryption. Encryption is always applied to the MAC PDU payload;

323 views • 16 slides

Public-key Encryption

Public-key Encryption. plaintext. plaintext. ciphertext. encryption algorithm. decryption algorithm. Problems with symmetric (private-key) encryption. 1) secure distribution of keys. 2) large number of keys. Solution to both problems: Public-key (asymmetric) encryption. key pub.

330 views • 10 slides