'Elliptic curve' presentation slideshows

Digital Signatures

Digital Signatures. Presented by Olga Shishenina. Outline. Cryptographic goals Message Authentication Codes (MACs) Digital signatures RSA digital signature Elliptic curve digital signature Comparison of ECDSA and RSA signature. Message authentication. Entity authentication.

1.05k views • 63 slides

993 views • 61 slides

Security+ Guide to Network Security Fundamentals, Third Edition

Chapter 11 Basic Cryptography. Security+ Guide to Network Security Fundamentals, Third Edition. Defining Cryptography. Objectives. Define cryptography Describe hashing List the basic symmetric cryptographic algorithms Describe how asymmetric cryptography works

679 views • 57 slides

Group Selection and Key Management Strategies for Ciphertext-Policy Attribute-Based Encryption

Group Selection and Key Management Strategies for Ciphertext-Policy Attribute-Based Encryption. Russell Martin August 9th, 2013. Contents. Introduction to CPABE Bilinear Pairings Group Selection Key Management Key Insulated CPABE Conclusion & Future Work.

735 views • 43 slides

What is Elliptic Curve Cryptography?

What is Elliptic Curve Cryptography?. Daniel Dreibelbis University of North Florida. Outline. Define the Key Exchange Problem Define elliptic curves and their group structure Define elliptic curves mod p Define the Elliptic Curve Discrete Log Problem Elliptic curves for KEP

710 views • 38 slides

Elliptic Curve Cryptography and Curve Counting Via the Feynman Transform

Elliptic Curve Cryptography and Curve Counting Via the Feynman Transform. Michael Slawinski Ph.D. Candidate, UCSD Mathematics Department. Outline. Algebraic Geometry and Cryptography a) Background on Algebraic Geometry i) What is Algebraic Geometry? ii) Algebraic Varieties

745 views • 36 slides

Securing the Wireless World

Securing the Wireless World. Validation of Elliptic Curve Public Keys. Adrian Antipa * , Dan Brown * , Alfred Menezes + , Rene Struik * and Scott Vanstone +*. PKC 2003 Miami, Florida Jan 7, 2003. Presented by. Dan Brown. * Certicom Research + U. Waterloo. Outline.

430 views • 35 slides

Security of Using Special Integers in Elliptic Scalar Multiplication

Security of Using Special Integers in Elliptic Scalar Multiplication. Mun-Kyu Lee o Jin Wook Kim Kunsoo Park School of CSE, Seoul National University. 1. Preliminaries. Elliptic Curve. A curve of the form y 2 + xy = x 3 + ax 2 + b or y 2 = x 3 + ax + b

430 views • 33 slides

A Pairing-Based Blind Signature E-Voting Scheme

A Pairing-Based Blind Signature E-Voting Scheme. LOURDES L PEZ-GARC A, LUIS J. DOMINGUEZ PEREZ, FRANCISCO RODR GUEZ-HENR QUEZ The Computer Journal July 2013 Presenter: ??? Date:2013/10/14. Outline. Introduction Mathematical Background Digital Signatures The Proposed E-Voting Scheme

521 views • 31 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

Providing Witness Anonymity in Peer-to-Peer Systems Bo Zhu, Sanjeev Setia and Sushil Jajodia

Providing Witness Anonymity in Peer-to-Peer Systems Bo Zhu, Sanjeev Setia and Sushil Jajodia. CSCE 715 Ankur Jain 11/16/2010. Outline. Introduction Design Goals Framework SDT Protocol Achievements of Goals Overhead of SDT Conclusion. Introduction. Peer-to-Peer systems

396 views • 26 slides

Asymmetric Digital Signatures And Key Exchange

Asymmetric Digital Signatures And Key Exchange. Prof. Ravi Sandhu. DIGITAL SIGNATURES. INSECURE CHANNEL. Plaintext + Signature. Yes/No. Plain- text. Signature Algorithm S. Verification Algorithm V. A. B. A's Public Key. A's Private Key. RELIABLE CHANNEL.

313 views • 22 slides

Elliptic Curve Cryptography (ECC)

Elliptic Curve Cryptography (ECC). For the same length of keys, faster than RSA For the same degree of security, shorter keys are required than RSA Standardized in IEEE P1363 Confidence level not yet as high as that in RSA Much more difficult to explain than RSA.

1.86k views • 20 slides

A Public Key Infrastructure for Key Distribution in TinyOS Based on Elliptic Curve Cryptography

A Public Key Infrastructure for Key Distribution in TinyOS Based on Elliptic Curve Cryptography. David J. Malan, Matt Welsh, Michael D. Smith Presented by James Balasalle. Overview. Introduction SKIPJACK and TinySEC Elliptic Curve Cryptography Implementation Results Conclusions.

366 views • 17 slides

A Protocol for FILS Authentication

A Protocol for FILS Authentication. Authors:. Date: 2012-01-09. Abstract. This presentation describes a proposed FILS authentication protocol. Conformance with TGai PAR & 5C. Classic 3-party protocol Players: Alice, a client/peer with identity A Bob, a server/peer with identity B

312 views • 14 slides

ELLIPTICAL CURVE CRYPTOGRAPHY

ELLIPTICAL CURVE CRYPTOGRAPHY. -Anusha Uppaluri. ECC- A set of algorithms for key generation, encryption and decryption (public key encryption technique) ECC was introduced by Victor Miller and Neal Koblitz in 1985 Good alternative to other asymmetric cryptography algorithms

416 views • 12 slides

Signatures for Network Coding

Signatures for Network Coding. Denis Charles Kamal Jain Kristin Lauter Microsoft Research. Network Coding Set-up. A directed graph of users G A server (source) distributing content Content is divided into packets and represented as vectors in a vector space

251 views • 10 slides

Additional Algorithms and Identifiers for Elliptic Curve Cryptography in PKIX

Additional Algorithms and Identifiers for Elliptic Curve Cryptography in PKIX. Dan Brown, Certicom Research November 10, 2004. Purpose of I-D. New algorithm identifiers for: NIST recommended curves (FIPS 186-2) New random curve generation ECDSA with new SHAs ECDH & ECMQV with new SHAs

204 views • 9 slides

A Brief History of Factorization Techniques

404 views • 6 slides

Pairing Friendly Elliptic Curves of Prime Order with Embedding degree 12

Pairing Friendly Elliptic Curves of Prime Order with Embedding degree 12. Paulo Barreto and Michael Naehrig Presented by Mike Scott. BN Curves. An elliptic curve E: y 2 =x 3 +B mod p, where #E=p+1-t, and defined by p(x) = 36x 4 +36x 3 +24x 2 +6x+1 #E(x)=36x 4 +36x 3 +18x 2 +6x+1

184 views • 4 slides