'Universal hash functions' diaporamas de présentation

Data Structures and Algorithms

Data Structures and Algorithms. Course slides: Hashing www.mif.vu.lt /~ algis. Data Structures for Sets. Many applications deal with sets. Compilers have symbol tables (set of vars , classes) Dictionary is a set of words. Routers have sets of forwarding rules.

1.72k views • 126 slides

Seminar in Foundations of Privacy

Seminar in Foundations of Privacy. Message Authentication in the Manual Channel Model. Gil Segev. Pairing of Wireless Devices. Scenario: Buy a new wireless camera Want to establish a secure channel for the first time Diffie-Hellman key agreement protocol. Diffie-Hellman Key Agreement.

652 views • 58 slides

Seminar in Foundations of Privacy

Seminar in Foundations of Privacy. Message Authentication in the Manual Channel Model. Gil Segev. Pairing of Wireless Devices. Scenario: Buy a new wireless camera Want to establish a secure channel for the first time Diffie-Hellman key agreement protocol. Diffie-Hellman Key Agreement.

675 views • 58 slides

Randomness Conductors (II)

320 views • 25 slides

Intro To Encryption Exercise 4

Intro To Encryption Exercise 4. Defining Pseudo-Random Permutation. Let A be alg. with oracle to a function from {0,1} k to {0,1} k Notation: let A f denote A with oracle to f :{0,1} k ? {0,1} k Let where key ? R {0,1} k and r is a random function over {0,1} k

254 views • 18 slides

Look-up problem

Look-up problem. IP address. did we see the IP address before?. Hashing + chaining. use IP address as an index. linked list. index. hash function. IP address. How to choose a hash function?. depends on the distribution of the data. x ? [0,1]

299 views • 18 slides

CS/ECE Advanced Network Security Dr. Attila Altay Yavuz

CS/ECE Advanced Network Security Dr. Attila Altay Yavuz. Topic 1.2 Course and Project Overview (2). Fall 2014. escar 2011 - A Hardware Security Module for ECUs. Tester. ECU. ECU. ECU. CE-Device. Intra-car Communication Security. Attack surface is growing

330 views • 14 slides

Universal Hash Functions: Performance Guarantees (Chaining)

Data Structures. Universal Hash Functions: Performance Guarantees (Chaining). Design and Analysis of Algorithms I. Overview of Universal Hashing. Universal Hash Functions. Chaining: Constant-Time Guarantee. Proof (Part I). A General Decomposition Principle. Proof (Part II).

254 views • 11 slides

Universal Hash Functions: Definition and Example

Data Structures. Universal Hash Functions: Definition and Example. Design and Analysis of Algorithms I. Overview of Universal Hashing. Universal Hash Functions.

280 views • 8 slides