'Key agreement' presentation slideshows

Cryptographic Protocols

1.16k views • 101 slides

Group Key Agreement

Group Key Agreement. Gene Tsudik SCONCE Lab, UC Irvine. OUTLINE. Group Communication Security Services Group Key Management Overview Zooming in: DH-based Protocols Authentication Consistency Measurements Robustness / Integration with GCS Other models.

774 views • 59 slides

ITU-T Security Standardization

GSC10_gtsc3(05)04. Agenda Item: 5.6. ITU-T Security Standardization. Herb Bertine Chairman ITU-T Study Group 17. ITU-T World Telecommunications Standardization Assembly (WTSA). Resolution 50, Cyberscecurity

492 views • 36 slides

3G/4G Security

3G/4G Security. ?? : ??? ( ???? :938340) ??? ( ????? 9556508). ?? :96 ? 6 ?. (1). Introduction ( ??? / ??? ) 3G/3GPP system overview 4G features (2). 3G Security 3G/3GPP Security Architecture ( ??? ) 3G/3GPP Network Access Security ( ??? )

1.06k views • 35 slides

449 views • 32 slides

Rei Safavi-Naini University of Calgary Joint work with: Hadi Ahmadi

iCORE Information Security. Secret key agreement over noisy channel. Rei Safavi-Naini University of Calgary Joint work with: Hadi Ahmadi. Secret key agreement. Alice and Bob want to share a secret over a channel that is eavesdropped by Eve. A fundamental problem in cryptography.

381 views • 26 slides

FIPS 201 Framework: Special Pubs 800-73,76,78

FIPS 201 Framework: Special Pubs 800-73,76,78. Jim Dray HSPD-12 Workshop May 4/5, 2005. Special Publication 800-73. PIV card application definition NOT a general purpose card platform spec! Part 1: Common data model and migration Part 2: Transition card interfaces

389 views • 24 slides

SEC 1 & GEC 1

SEC 1 & GEC 1. Core ECC Specifications Simon Blake-Wilson Certicom Research. Overview. Introduction to SEC 1 and GEC 1 Review of ECC standards SEC 1 GEC 1 Summary. SEC 1 & GEC 1. Core ECC specifications SEC 1: cryptographic schemes GEC 1: recommended curves Encourage deployment

473 views • 23 slides

An Extended Multi-Server-Based User Authentication and Key Agreement Scheme with User Anonymity

An Extended Multi-Server-Based User Authentication and Key Agreement Scheme with User Anonymity. sPEAKER : Hong- Ji Wei Authors : Chun-Ta Li, Cheng-Chi Lee, Chi-Yao Weng and Chun-I Fan Date: 2013-05-10 KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS VOL. 7, NO. 1, Jan 2013.

406 views • 23 slides

Xiaohua (Edward) Li 1 and E. Paul Ratazzi 2 1 Department of Electrical and Computer Engineering

MIMO Transmissions with Information Theoretic Secrecy for Secret-Key Agreement in Wireless Networks. Xiaohua (Edward) Li 1 and E. Paul Ratazzi 2 1 Department of Electrical and Computer Engineering State University of New York at Binghamton xli@binghamton.edu,

402 views • 22 slides

Three-Party Authenticated Key Agreements and Its Applications- PCSs Roaming Protocol

Three-Party Authenticated Key Agreements and Its Applications- PCSs Roaming Protocol. ??? (Tian-Fu Lee) ???????????? Cryptography/ Network security/ Wireless networks communication/ Algorithmic graph theory/ Database and data engineering. Outlines.

324 views • 21 slides

CS 426 (Fall 2010)

CS 426 (Fall 2010). Key Distribution & Agreement. Outline. Key agreement without using public keys Distribution of public keys, with public key certificates Diffie-Hellman Protocol Correction: Also discovered earlier in GCHQ, by Malcolm J. Williamson in 1974.

313 views • 19 slides

EKG-Based Key Agreement in Body Sensor Networks

EKG-Based Key Agreement in Body Sensor Networks. Krishna Venkatasubramanian, Ayan Banerjee, and Sandeep Gupta IMPACT Lab Department of Computer Science and Engineering School of Computing and Informatics Ira A. Fulton School of Engineering Arizona State University Tempe, Arizona. Outline.

284 views • 17 slides

Authenticated Group Key Agreement and Friends

Giuseppe Ateniese, Michael Stiener and Gene Tsudik Presented by Young Hee Park November 11, 2005. Authenticated Group Key Agreement and Friends. 1. Outline. Introduction Authenticated 2-party Key Agreement Proposed Schemes Authenticated Group Key Agreement A-GDH protocol

572 views • 14 slides

Public-key based

Public-key based. Public-key Techniques based Protocols may use either weak or strong passwords high computation complexity (Slow) high deployment cost Security degree is higher than password-based

218 views • 11 slides

Foundations of Cryptography Lecture 7

202 views • 11 slides

Presented by Jung-Chen Liu Date ? 2004/04/13

Integrating Diffie-Hellman Key Exchange into the Digital Signature Algorithm IEEE Communications Letters, March 2004 Lein Harn, Manish Metha and Wen-Jung Hsin. Presented by Jung-Chen Liu Date ? 2004/04/13. Outline. Motivation Introduction Secure DH+DSA key exchange protocols

239 views • 10 slides

266 views • 10 slides

Cryptography Introduction

Cryptography Introduction. Prof. Ravi Sandhu. CRYPTOGRAPHIC TECHNOLOGY. SECRET KEY Symmetric Key Single Key Conventional. PUBLIC KEY Asymmetric Key Two Key. CRYPTOGRAPHIC TECHNOLOGY. Secret-key encryption Public-key encryption Public-key digital signatures Public-key key agreement

193 views • 5 slides

AES in CMS

124 views • 5 slides