'Trapdoor' presentation slideshows

A Brief History of Cryptography

613 views • 46 slides

Network Security

Network Security. Bijendra Jain (bnj@cse.iitd.ernet.in). Lecture 1: Introduction. Top-level issues. Safety, security and privacy Security policy threats, both external and internal economic gains cost of securing resources cryptographic methods vs. physical security

586 views • 34 slides

John A Clark, Jeremy L Jacob and Susan Stepney Dept of Computer Science University of York,

Secret agents leave big footprints: how to plant a trapdoor in a cryptographic function and why you might not get away with it. GECCO 2003. John A Clark, Jeremy L Jacob and Susan Stepney Dept of Computer Science University of York, York YO10 5DD, England 16 July 2003.

198 views • 19 slides

Probabilistic Public Key Encryption with Equality Test

Probabilistic Public Key Encryption with Equality Test. Duncan S. Wong Department of Computer Science City University of Hong Kong. Joint work with Guomin Yang, Chik How Tan and Qiong Huang. Outline. What is PKE with Equality Test ?

290 views • 17 slides

Improved Searchable Public Key Encryption with Designated Tester

Improved Searchable Public Key Encryption with Designated Tester. Author : H yun Sook Rhee, Jong Hwan Park, Willy Susilo, Dong Hoon Lee Presenter: Li-Tzu Chang. Outline. Introduction Preliminaries Definition Our security model Bilinear pairings A new DPEKS scheme Conclusion. ??????.

263 views • 17 slides

Many-to-one Trapdoor Functions and their Relations to Public-key Cryptosystems

Many-to-one Trapdoor Functions and their Relations to Public-key Cryptosystems. M. Bellare S. Halevi A. Saha S. Vadhan. Introduction . One-way function Easy to compute, hard to invert Trapdoor function One-way function Hard to invert; but with trapdoor , easy to invert.

331 views • 14 slides

Three possible air leakage routes:

Three possible air leakage routes:. Junction/concrete ground floor and external concrete block wall . Junction/concrete Ground Floor and Timber Frame inner leaf . Junction/Suspended Timber Ground Floor and External Concrete block wall.

242 views • 10 slides

Add Elegance And Style To Your Own House With Glass Balustrades

Iron balusters can be arranged in the multitude of patterns create a the perfect look for this stair as well as shape. Your whole you begin using scroll baluster at strategic spots for accent while selecting a smaller, less baluster to fill your other segments. Or arrange in a single basket, double basket, single twist compound. The options are endless.

44 views • 4 slides