'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

1.96k 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.

1.24k 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.

910 views • 78 slides

Windows Vista System Integrity Technologies

771 views • 63 slides

Windows Vista System Integrity Technologies

795 views • 58 slides

Modern Cryptography Lecture 3

651 views • 53 slides

Artificial Intelligence

637 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

542 views • 35 slides

451 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

922 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

617 views • 27 slides

Digital Signature Schemes

611 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.

560 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 .

440 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

813 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.

384 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.

327 views • 17 slides

302 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

906 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 :

225 views • 13 slides