'Brute force' presentation slideshows

SYMMETRIC CIPHERS

SYMMETRIC CIPHERS. Contents. Classical encryption techniques Block ciphers and the data encryption standard Basic concepts in number theory and finite fields Advanced encryption standard Block cipher operation Pseudorandom number generation and stream ciphers.

1.08k views • 73 slides

Variational Pairing of Image Segmentation and Blind Restoration

Variational Pairing of Image Segmentation and Blind Restoration. Leah Bar Nir Sochen* Nahum Kiryati. School of Electrical Engineering *Dept. of Applied Mathematics. Tel Aviv University. Segmentation : images meet concepts. Borrowed from Georges Koepfler.

563 views • 42 slides

MULTI-FREQUENCY AND ULTRA-WIDEBAND ANTENNA RADOMES

MULTI-FREQUENCY AND ULTRA-WIDEBAND ANTENNA RADOMES. Dr. D .J. Kozakoff Marietta, GA, USA. Radome. A dielectric (RF transparent) cover placed over an antenna in order to protect it from the environment A technology spin off of WWII. Reasons for its Development.

1.65k views • 39 slides

Fingerprint Matching

Chapter 4.1- 4.3 On-Line Fingerprint Verification Anil Jain, Fellow, IEEE, Lin Hong, and Ruud Bolle, Fellow, IEEE Presented by Chris Miles. Fingerprint Matching. Fingerprint Matching. Compare two given fingerprints T,I Return degree of similarity (0->1) Binary Yes/No

732 views • 38 slides

User Awareness and Practices

User Awareness and Practices. Information security. Importance of Security. The internet allows an attacker to attack from anywhere on the planet. Risks caused by poor security knowledge and practice: Identity Theft Monetary Theft Legal Ramifications (for yourself and companies)

476 views • 35 slides

Cracking WEP Keys

Cracking WEP Keys. Applying known techniques to WEP Keys Tim Newsham. Introduction. Developed WEP key cracking software Dictionary attack on the key generators Dictionary attack on raw keys Brute force of the 64-bit key generator Analyzed Key Generators

699 views • 35 slides

The Laws of Biot-Savart & Ampere

1.34k views • 34 slides

Matching

Matching. Compare region of image to region of image. We talked about this for stereo. Important for motion. Epipolar constraint unknown. But motion small. Recognition Find object in image. Recognize object. Today, simplest kind of matching. Intensities similar.

589 views • 34 slides

Probabilistic/Uncertain Data Management -- III

587 views • 33 slides

Reductions to the Noisy Parity Problem

Reductions to the Noisy Parity Problem. Harvard UW Georgia Tech Georgia Tech. Vitaly Feldman Parikshit Gopalan Subhash Khot Ashok K. Ponnuswami. aka New Results on Learning Parities, Halfspaces, Monomials, Mahjongg etc. . TexPoint fonts used in EMF.

366 views • 23 slides

MA/CSSE 473 Day 25

MA/CSSE 473 Day 25. Student questions String search Horspool Boyer Moore intro. Brute Force, Horspool, Boyer-Moore. String Search. Brute Force String Search Example. The problem: Search for the first occurrence of a pattern of length m in a text of length n.

507 views • 20 slides

Chapter 6 Conflict and Negotiation

Chapter 6 Conflict and Negotiation. Introduction. Planning usually require inputs from various people / sources Multiple interactions between different parties / people can cause conflict Conflict define as :

1.19k views • 19 slides

Cryptography

Cryptography. History of Encryption. Originally used mostly for delivering messages in the military Spartan generals would write messages on a small strip of paper that could only be read when wrapped around a cylinder of the right size.

328 views • 19 slides

Introduction

711 views • 16 slides

Password Cracking

528 views • 13 slides

Longest Common Subsequence (LCS)

Longest Common Subsequence (LCS) . Problem : Given sequences x[1..m] and y[1..n], find a longest common subsequence of both. Example : x=ABC BDAB and y= BD C AB A, BCA is a common subsequence and BCBA and BDAB are two LCSs. LCS. Brute force solution Writing a recurrence equation

826 views • 13 slides

Hacme Bank

Hacme Bank. Hacme Bank Challenges There are 10 challenges which all have to be completed Complete each challenge 1 by 1 We will talk about the solutions after each challenge has been completed Visit the following link: xxxxxxxxx. Hacme Bank Challenges - 1 Type: SQL Injection

459 views • 13 slides

Solving Problems: Anagrams/Jumbles

Solving Problems: Anagrams/Jumbles. How do humans solve puzzles like that at www.jumble.com Is it important to get computers to solve similar puzzles? Reasons? Should computers mimic humans in puzzle-solving, game playing, etc.? Lessons from chess?

445 views • 11 slides

Using TF-IDF to Determine Word Relevance in Document Queries

Using TF-IDF to Determine Word Relevance in Document Queries. Juan Ramos juramos@cs.rutgers.edu Department of Computer Science, Rutgers University, 23515 BPO Way, Piscataway, NJ, 08855. Information Retrieval Problem.

475 views • 10 slides

Concept Generation

313 views • 9 slides