'Computationally infeasible' presentation slideshows

Forensic Computer Analysis

Forensic Computer Analysis. ISMT350. Overview. Why do we care? Forensic Science Overview Process and Tools Evidence on Networks Advanced Analysis Errors & Uncertainty. Why do we Care?. Determine what happened Determine extent of damage Inform other universities of problems

1.91k views • 122 slides

Security

Security. 9.1 The security environment 9.2 Basics of cryptography 9.3 User authentication 9.4 Attacks from inside the system 9.5 Attacks from outside the system 9.6 Protection mechanisms 9.7 Trusted systems . Chapter 9. Security Environment.

1.21k views • 97 slides

COEN 350: Network Security

COEN 350: Network Security. Overview of Cryptography. Overview of Cryptography. Table of contents Introduction Cryptographic Security One Way Functions Secret Key Cryptography Public Key Cryptography Message Authentication Codes Zero Knowledge Proofs Diffie Hellman Key Exchange.

900 views • 78 slides

Windows Vista System Integrity Technologies

760 views • 63 slides

Windows Vista System Integrity Technologies

782 views • 58 slides

Modern Cryptography Lecture 3

634 views • 53 slides

Artificial Intelligence

618 views • 46 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

534 views • 35 slides

448 views • 32 slides

The RSA Algorithm

The RSA Algorithm. JooSeok Song 2007. 11. 13. Tue. Private-Key Cryptography. traditional private/secret/single key cryptography uses one key shared by both sender and receiver if this key is disclosed communications are compromised also is symmetric , parties are equal

889 views • 31 slides

Message Authentication and Hash Functions

Message Authentication and Hash Functions. Authentication Requirements Authentication Functions Message Authentication Codes Hash Functions Security of Hash Functions and MACs. Authentication Requirements. Kind of attacks (threats) in the context of communications across a network

597 views • 27 slides

Digital Signature Schemes

593 views • 22 slides

Who Leaves, Where To, And Why Worry?: Employee Mobility, Employee Entrepreneurship, And Effects On Source Firm Performan

Who Leaves, Where To, And Why Worry?: Employee Mobility, Employee Entrepreneurship, And Effects On Source Firm Performance. Benjamin A. Campbell Ohio State University Martin Ganco University of Illinois April M. Franco University of Toronto Rajshree Agarwal University of Illinois.

548 views • 21 slides

Digital Signatures and Hash Functions

Digital Signatures and Hash Functions . Digital Signatures. Problem. Symmetric-key schemes do not protect the two parties against each other. Since two parties have the same knowledge (namely of keys) so one party can generate a fake message and claims that is from the other party .

394 views • 21 slides

Cryptography and Network Security (Authentication Protocols and Digital Signatures)

Cryptography and Network Security (Authentication Protocols and Digital Signatures). Fourth Edition by William Stallings Lecture slides by Lawrie Brown (Changed by Somesh Jha). Digital Signatures. have looked at message authentication using hash functions

793 views • 20 slides

Security

Security. 9.1 The security environment 9.2 Basics of cryptography 9.3 User authentication 9.4 Attacks from inside the system 9.5 Attacks from outside the system 9.6 Protection mechanisms 9.7 Trusted systems . Chapter 9. The Security Environment Threats. Security goals and threats.

370 views • 20 slides

Eigenvalue solvers for data clustering and image segmentation

Eigenvalue solvers for data clustering and image segmentation. Andrew Knyazev Images courtesy http://www.biosci.utexas.edu/mgm/people/faculty/profiles/VIresearch.jpg and http://www.gps.caltech.edu/~edwin/molecular_vibrations.htm Supported by NSF DMS 0612751 and 0728941.

321 views • 17 slides

287 views • 17 slides

Ch 12. continuous latent variables Pattern Recognition and Machine Learning, C. M. Bishop, 2006.

Ch 12. continuous latent variables Pattern Recognition and Machine Learning, C. M. Bishop, 2006. Summarized by Soo-Jin Kim Biointelligence Laboratory, Seoul National University http://bi.snu.ac.kr/. Contents. 12.1 Principle Component Analysis 12.1.1 Maximum variance formulation

889 views • 14 slides

Cryptographic Security

Cryptographic Security. Security Considerations. Factors : reliance on unknown, vulnerable intermediaries (e.g., Internet routers) parties may have no personal or organizational relationship (e.g., e-commerce) use of automated surrogates (e.g., agents). Goals :

215 views • 13 slides