'Symmetric cryptosystem' presentation slideshows

Symmetric cryptosystem - PowerPoint PPT Presentation

DISTRIBUTED COMPUTING

DISTRIBUTED COMPUTING

DISTRIBUTED COMPUTING. Sunita Mahajan , Principal, Institute of Computer Science, MET League of Colleges, Mumbai Seema Shah , Principal, Vidyalankar Institute of Technology, Mumbai University. Chapter - 10 Security In Distributed Systems. Topics. Introduction

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1.09k views • 74 slides
??? (Cryptology)

??? (Cryptology)

??? (Cryptology). ??. ???. ??. Bob. Alice. ???. 1st. 16th. ???? ?? ??. 0699 0043 1313 9642. Select odd numbers. 0 6 9 9 0 0 4 3 1 3 1 3 9 6 4 2. Select even numbers After * 2, if ? 9 then -9. 0 6 9 9 0 0 8 3 2 3 2 3 9 6 8 2. *10. 0+6+9+9+0+0+8+3+2+3+2+3+9+6+8+2 = 70.

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974 views • 72 slides
Cryptography in World War II Jefferson Institute for Lifelong Learning at UVa

Cryptography in World War II Jefferson Institute for Lifelong Learning at UVa

Cryptography in World War II Jefferson Institute for Lifelong Learning at UVa Spring 2006 David Evans. Class 1: Introduction and Cryptography before World War II. Bletchley Park, Summer 2004. http://www.cs.virginia.edu/jillcrypto. Overview. Introduction, Pre-WWII cryptology

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530 views • 45 slides
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Network Security--- User Authentication and Key Agreement Protocols. ??? hmsun@cs.nthu.edu.tw Phone: 03-5742968. ??????????? ???????. Outline. Basic Cryptographic Concept Symmetric Encryption Asymmetric Encryption Digital Signature Encrypted Key Exchange (EKE) Conclusions.

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517 views • 43 slides
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Network Security--- User Authentication and Key Agreement Protocols. ??? hmsun@cs.nthu.edu.tw Phone: 03-5742968. ??????????? ???????. Outline. Basic Cryptographic Concept Symmetric Encryption Asymmetric Encryption Digital Signature Encrypted Key Exchange (EKE) Conclusions.

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568 views • 43 slides
Biometrics based Cryptosystem Design

Biometrics based Cryptosystem Design

Biometrics based Cryptosystem Design. Cryptosystem A mechanism using which one can encode an information content to an incomprehensible form and also recover the original content when desired. Biometrics

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461 views • 27 slides
Encryption

Encryption

Encryption. By Amir Levi and Yuval Carmel. Motivation. Ever since people were seeking for privacy Classified information Share secrets. And every time someone curious was in the way The Big Brother. By Amir Levi and Yuval Carmel. Work Method. Changing user interface.

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450 views • 26 slides
Chapter 2

Chapter 2

Chapter 2. Classical Encryption Techniques. Symmetric Encryption. Also referred to as conventional encryption or single-key encryption Was the only type of encryption in use prior to the development of public-key encryption in the 1970s

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657 views • 25 slides
Symmetric cryptography: scalable matrix cipher

Symmetric cryptography: scalable matrix cipher

Symmetric cryptography: scalable matrix cipher . Nguyen Dinh Thuc University of Science, HCMC ndthuc@fit.hcmus.edu.vn. outline. M atrix-base cipher Advanced Encryption Standard Scalable Substitution Matrix cipher. Matrix-base cipher matrix cipher: introduction.

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473 views • 23 slides
Computer System Security CSE 5339/7339

Computer System Security CSE 5339/7339

Computer System Security CSE 5339/7339. Lecture 3 August 26, 2004. Contents. Algorithms (Revisited) Operating Systems Review Students Topics for Presentation Encryption Substitution and Transposition Ciphers. Algorithms -- revisited. Hashing - Why? Hash Tables Hash Functions Insert

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378 views • 23 slides
Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards

Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards

Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards. Computer and Information Security 92321509 Ming-Hong Shih. Source. Wen-Shenq Juang , IEEE Transactions on Consumer Electronics, Vol. 50, No. 1,pp. 251-255, Feb. 2004.

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301 views • 15 slides
Lect. 20. Identification

Lect. 20. Identification

Lect. 20. Identification. Authentication. Entity Authentication (Identification) Over the communication network, one party, Alice, shows to another party, Bob, that she is the real Alice. Authenticate an entity by presenting some identification information

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212 views • 11 slides

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