'Random integer' presentation slideshows

The RSA Algorithm and Reed-Solomon Codes

Group 5: Daryl, Etkin , Supartha , Rajendra and Aarthi. The RSA Algorithm and Reed-Solomon Codes. Introduction. Two Information Coding Schemes RSA Algorithm Privacy Authenticity Reed-Solomon Codes ( Bursty ) Noise Tolerance. Welcome to the Matrix. Privacy. Authenticity.

1.24k views • 89 slides

Queueing Theory

Queueing Theory. Overview. Basic definitions and metrics Examples of some theoretical models. Basic Queueing Theory. A set of mathematical tools for the analysis of probabilistic systems of customers and servers.

1.24k views • 65 slides

Monte Carlo methods

572 views • 43 slides

Mining Data Streams

Mining Data Streams . Data Streams. In many data mining situations, we know the entire data set in advance Stream Management is important when the input rate is controlled externally : Google queries Twitter or Facebook status updates

666 views • 41 slides

Primality Test

Lecture 26. Primality Test. Professor Sin-Min Lee Department of Computer Science San Jose State University. Primality Testing A Classical Number Theoretic Problem: . Definition: A positive integer n is prime iff its only divisors are 1 and n .

999 views • 37 slides

Integer Representations & Base Conversion

502 views • 37 slides

Chapter 3 Public Key Cryptography and RSA

Chapter 3 Public Key Cryptography and RSA. Lecture slides by Lawrie Brown Modifications by Nguyen Cao Dat. Prime Numbers. prime numbers only have divisors of 1 and self they cannot be written as a product of other numbers note: 1 is prime, but is generally not of interest

535 views • 35 slides

Authentication Methods: From Digital Signatures to Hashes

Authentication Methods: From Digital Signatures to Hashes. Lecture Motivation. We have looked at confidentiality services, and also examined the information theoretic framework for security.

468 views • 33 slides

CRYPTOGRAPHY AND INFORMATION SECURITY

CRYPTOGRAPHY AND INFORMATION SECURITY. Lecturer: Dr. Nguyen Nam Hong Tel.: 048781437. Mob.: 0912312816. Email: nguyennamhong2003@yahoo.com.au Website: www.freewebs.com/namhongthanhloc Chapter 9. Introduction to Number Theory. Chapter 9. Introduction to Number Theory (1/3).

628 views • 32 slides

StackGuard : A Historical Perspective

463 views • 27 slides

Cubic cipher

Cubic cipher. key generation. First, form a Keystring like Playfair E.g. Keyword=COLUMBIA Keystring=COLUMBIADEFGHJKNPQRSTVWXYZ. key generation. Then wrap keystring around a 3X3X3 cube, but leave center empty. 2D and 3D views: z=0 z=1 z=2 COL EFG QRS UMB H J TVW IAD KNP XYZ.

487 views • 25 slides

Generics and Using a Collection

Generics and Using a Collection. Generics / Parameterized Classes Using a Collection Customizing a Collection using Inheritance Inner Classes Use of Exceptions Reading: L&C: 3.2-3.3, 3.5. Java Generics.

377 views • 21 slides

Cryptography and Network Security Chapter 8

212 views • 20 slides

Quick-Sort

985 views • 18 slides

Cryptography and Network Security

569 views • 18 slides

Functions II

Functions II. Functions that return a value. A function that returns a value. /*************************************************** ** AverageTwo ** calculates and returns the average of num1 and num2 ****************************************************/

316 views • 15 slides

RSA cryptosystem--preview

RSA cryptosystem--preview. Suppose n=p ?q and ? ( n )=( p -1)( q -1), where p and q are big primes. Select (find) a and b , such that a ? b= 1 mod ? ( n ). K =( n ,p,q,a, b ), publicize n , b , but keep p,q,a secret. For any x,y ? Z n , define

347 views • 13 slides

Simple Random Sampling

640 views • 13 slides

Important Irvine Library Procedures

Important Irvine Library Procedures. Randomize Initializes the seed of the random-number formula by both the Random32 and the RandomRange procedures. The seed equals the time of day, accurate to 1/100 th of a second. Only call it once at the beginning of a program

399 views • 11 slides

Shuffle an Array

Shuffle an Array. Shuffle a deck of cards. In i th iteration, choose a random element from remainder of deck and put at index i. choose random integer r between i and N-1 swap values in positions r and i. Array index. 0. 1. 2. 3. 4. 5. 6. 7. 8. 9. Value. 9 ?. 2 ?. 3 ?. 4 ?.

303 views • 11 slides