'Random string' presentation slideshows

Optimal and Information Theoretic Syntactic Pattern Recognition

807 views • 70 slides

A Study on Cryptographic Protocols for RFID Tags

PhD Dissertation Defense. A Study on Cryptographic Protocols for RFID Tags. PhD candidate: Dang Nguyen Duc Advisor: Prof . Kwangjo Kim. Information and Communications Engineering KAIST. 1st December, 2009 Cryptography and Information Security Lab @ KAIST. Contents.

795 views • 60 slides

ECE 598: The Speech Chain

632 views • 51 slides

Security and Random Number Generators

Security and Random Number Generators. Benny Pinkas, University of Haifa Zvi Gutterman, Leo Dorrendorf, Tzachy Reinman Hebrew University. In this talk. What are PRNGs (pseudo-random number generators)? Why are they important? The generator used by Windows

599 views • 41 slides

Necessary Background on Memory Exploits and Web Application Vulnerabilities

Necessary Background on Memory Exploits and Web Application Vulnerabilities. Outline. Memory safety attacks Buffer overruns Format string vulnerabilities Web application vulnerabilities SQL injections Cross-site scripting attacks. Buffer Overflows. Buffer Overrun Example. Frame 2.

545 views • 39 slides

Control Hijacking Attacks

1.08k views • 36 slides

Provable Security vs. Efficiency in Cryptographic Algorithms

Provable Security vs. Efficiency in Cryptographic Algorithms. Rosario Gennaro IBM T.J.Watson Research Center. 2009 Estonian Winter School in Computer Science March 2009. Cryptography. The science of communication in the presence of an adversary Encryption Authentication. Yeah sure!.

464 views • 36 slides

Mysteries of the Nano-World

Mysteries of the Nano-World. Ephraim Fischbach Physics Department Purdue University October 22, 2004. Ephraim Fischbach Physics Department Purdue University October 22, 2004. Special Thanks to Dennis Krause (Wabash/Purdue), Ricardo Decca (IUPUI), and Daniel Lopez (Lucent). Outline.

575 views • 35 slides

Causal Models for Performance Analysis of Computer Systems

Causal Models for Performance Analysis of Computer Systems. Jan Lemeire TELE lab May 24 th 2006. Statistics/Causality. Philosophy. Machine Learning. Performance Modeling. What can be learnt about the world from observations?. We have to look for regularities & model them.

488 views • 31 slides

Catalytic computation

430 views • 30 slides

The Coffee Automaton: Quantifying the Rise and Fall of Complexity in Closed Systems

438 views • 27 slides

Buffer Overflow Attacks and Format String bugs

374 views • 26 slides

Cryptanalysis

Cryptanalysis. With thanks to Professor Sheridan Houghten. Example 1.11: Ciphertext obtained from a Substitution Cipher. YIFQFMZRWQFYVECFMDZPCVMRZWNMDZVEJBTXCDDUMJ NDIFEFMDZCDMQZKCEYFCJMYRNCWJCSZREXCHZUNMXZ NZUCDRJXYYSMRTMEYIFZWDYVZVYFZUMRZCRWNZDZJJ XZWGCHSMRNMDHNCMFQCHZJMXJZWIEJYUCFWDJNZDIR.

479 views • 25 slides

High-entropy random selection protocols

414 views • 25 slides

Non-Malleable Non-Interactive Zero Knowledge and Adaptive Chosen-Ciphertext Security

Non-Malleable Non-Interactive Zero Knowledge and Adaptive Chosen-Ciphertext Security. Amit Sahai (MIT). What We Do. Identify a new security concern for Non-Interactive Zero Knowledge (NIZK) in shared random string model. Show how to overcome this concern ? stronger notion of NIZK .

358 views • 24 slides

Information Security for Sensors Overwhelming Random Sequences and Permutations

Information Security for Sensors Overwhelming Random Sequences and Permutations. Shlomi Dolev , Niv Gilboa, Marina Kopeetsky, Giuseppe Persiano , and Paul G. Spirakis. General Outline. Introduction and Motivation Permutation Revealing Protocol PRP Permutation Encrypted Protocol PEP

295 views • 21 slides

Identification and Authentication

Identification and Authentication. Identification and Authentication. When you log on to computer you enter your username and password. The first step is called identification : you announce who you are, the second step is called authentication you prove that you are who claim to be .

480 views • 21 slides

High-entropy random selection protocols

290 views • 18 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 ?

288 views • 17 slides

GENIE

475 views • 16 slides