'Key generation' presentation slideshows

Symmetric Key Ciphers

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Public Key Infrastructure (X509 PKI)

Public Key Infrastructure (X509 PKI). Marco Casassa Mont. Trusted E-Services Laboratory - HP Labs - Bristol. Outline. Basic Problem of Confidence and Trust Background: Cryptography, Digital Signature, Digital Certificates (X509) Public Key Infrastructure (PKI)

1.03k views • 52 slides

Secure Multiparty Computation

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RSA Cryptography

RSA Cryptography. Taravat Moshtagh Department of Mathematics and Statistics York University January 19 th 2006. Outline. Part I Introduction to RSA cryptography Basic terminology Mathematics behind the RSA How the algorithm works How secure the algorithm is Conclusion Part II

871 views • 50 slides

Short Introduction to Cryptography

Short Introduction to Cryptography. April 2, 2002 Christopher Boumenot. Purpose of Cryptography. Confidentiality Authentication Integrity Nonrepudiation Access Control Availability. Encryption Basics. Encryption algorithms use two basic principles

642 views • 45 slides

Public-Key Cryptography and Message Authentication

In the Name of the Most High . Public-Key Cryptography and Message Authentication. Behzad Akbari Spring 2012. OUTLINE. Approaches to Message Authentication Secure Hash Functions and HMAC Public-Key Cryptography Principles Public-Key Cryptography Algorithms Digital Signatures

634 views • 42 slides

Multiparty Computation with Low Communication, Computation and Interaction via Threshold FHE

Multiparty Computation with Low Communication, Computation and Interaction via Threshold FHE. 2-Party Computation Using FHE (semi-honest). b. a. y = f( a,b ). A =Encrypt(a). Y= Eval ( f,A,B ). Y. C harlie. Sally. y. Advantages. Low round complexity Low communication complexity

565 views • 35 slides

Key Distribution

Key Distribution. Where to Put Encryption?. Link level Vulnerable links equipped with encryption devices on both sides Needs large number of devices Needs decryption to perform routing End-to-end Carried out at the end systems Can encrypt only the data portion and not the header.

475 views • 30 slides

Applet Link

Applet Link. http://www.d.umn.edu/~ jgallian/msproject06/chap8.html#chap8ex5. An Introduction to the RSA Public-Key Cryptosystem. Naomi Tesar. RSA Public-Key Cryptosystem.

446 views • 30 slides

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luibPc eKy fsueIrtcrnartu oeJ dlofrdO E5 7E9 0M 2r0 6a Public Key Infrastructure Joe Oldford EE 579 02 Mar 06 Spartans vs. Persians Overview Introduction Classical (symmetric) Cryptography Public Key (asymmetric) Cryptography Digital Signatures Public Key Infrastructures

630 views • 29 slides

Rabin Cryptosystem and Blum- Goldwasser Cryptosystem

Rabin Cryptosystem and Blum- Goldwasser Cryptosystem. b y Yernar. Rabin Cryptosystem. Background Key generation Encryption Decryption Preset Bits Example. Background. Asymmetric cryptographic technique, whose security, like that of RSA, is related to the difficulty of factorization.

1.85k views • 29 slides

CS 312: Algorithm Analysis

This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License . CS 312: Algorithm Analysis. Lecture #5: Public-Key Cryptography with RSA. Slides by: Eric Ringger, with contributions from Mike Jones, Eric Mercer, Sean Warnick. Announcements. HW #3 Due Now

330 views • 24 slides

Public-Key Cryptography

Public-Key Cryptography. Public-Key Cryptography . Asymmetric encryption is a form of cryptosystem in which encryption and decryption are performed using the different keys. Each individual has two keys: private key (not revealed to anyone) public key (make it known to everyone )

466 views • 22 slides

Integer Factorization Problem

Integer Factorization Problem. Salman Cheema 9 th April 2009. Outline. Cryptography & Number Theory RSA Integer Factorization Problem Complexity Q&A. Private Key Cryptography. Been in use for the last few thousand years.

1.06k views • 20 slides

Early Key Generation by ECDH and PKC

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Lect. 13 : Public Key Encryption RSA ElGamal

Lect. 13 : Public Key Encryption RSA ElGamal. RSA Public Key Systems. RSA is the first public key cryptosystem Proposed in 1977 by Ron Rivest, Adi Shamir and Leonard Adleman at MIT It is believed to be secure and still widely used . Adleman. Shamir. Rivest.

629 views • 18 slides

Accelerating Fully Homomorphic Encryption on GPUs

Accelerating Fully Homomorphic Encryption on GPUs. Wei Wang, Yin Hu, Lianmu Chen, Xinming Huang, Berk Sunar ECE Dept., Worcester Polytechnic Institute. Fully Homomorphic Encryption. Introduced by Gentry in 2009 Powerful!

496 views • 17 slides

Pseudo-Random Number Generation

Pseudo-Random Number Generation. CSIS 5857: Encoding and Encryption. Random Number Generation. Crucial to key generation Crucial to many other applications (games, etc.) Desired properties: 1 or 0 equally likely to be generated

543 views • 13 slides

Email Security using Public key cryptography

Email Security using Public key cryptography. Introduction.

175 views • 11 slides

Improved Authenticated Multiple-Key Agreement Protocol

Improved Authenticated Multiple-Key Agreement Protocol. Source: Computer and Mathematics with Applications 46 (2003), pp. 207-211. Author: Her-Tyan Yen, Hung-Min Sun and Tzonelih Hwang. Introduction. Multiple-Key Agreement protocol The cost of hash function.

410 views • 8 slides