'Hash value' presentation slideshows

Nuts and Bits of PKI

Mark L. Silverman, CISSP Center for Information Technology National Institutes of Health. Nuts and Bits of PKI. CENDI Symposium on PKI and Digital Signatures June 13, 2001. Foundations of PKI. Public Key Infrastructure. Trust. Technology. Start with Technology. Cryptography

626 views • 53 slides

CERT IFICATES & PKI

CERT IFICATES & PKI. BCIS 4630 Fundamentals of IT Security. Dr. Andy Wu. Overview. Digital signature PKI Public Key Applications Digital certificate Secure Socket Layer. Non-Repudiation. Non-repudiation means that someone cannot later deny something that he/she agreed to earlier.

579 views • 47 slides

Computer Forensics Tool Testing at NIST

Computer Forensics Tool Testing at NIST. Jim Lyle Information Technology Laboratory 4 June 2014. DISCLAIMER.

454 views • 43 slides

Hash Functions

Hash Functions. Cryptographic Hash Function. Crypto hash function h(x) must provide Compression ? output length is small Efficiency ? h(x) easy to compute for any x One-way ? given a value y it is infeasible to find an x such that h(x) = y

603 views • 42 slides

Notary: Hardware Techniques to Enhance Signatures

Notary: Hardware Techniques to Enhance Signatures. Luke Yen Collaborator: Prof. Stark C. Draper Advisor: Prof. Mark D. Hill University of Wisconsin, Madison MICRO-41 - November 11, 2008 www.cs.wisc.edu/multifacet/papers/micro08_notary.pdf. Executive Summary.

530 views • 40 slides

Introduction to SSL Protocol

Introduction to SSL Protocol Introduction to SSL Protocol Secure Socket Layer (SSL) Developed by Netscape A de facto standard for securing traffic of WWW Which layer? Above TCP/IP Below higher-level protocols such as HyperText Transport Protocol (HTTP)

779 views • 27 slides

Introduction to SSL Protocol

Introduction to SSL Protocol. Introduction to SSL Protocol. Secure Socket Layer (SSL) Developed by Netscape A de facto standard for securing traffic of WWW Which layer? Above TCP/IP Below higher-level protocols such as HyperText Transport Protocol (HTTP)

278 views • 27 slides

420 views • 24 slides

Electronic National Lotteries

363 views • 21 slides

SYN Flooding: A Denial of Service Attack

795 views • 19 slides

VMWare MMU

VMWare MMU. Ranjit Kolkar. Designed for efficient use of resources. ESX uses high-level resource management policies to compute a target memory allocation for each virtual machine (VM) based on the current system load and parameter settings for the virtual machine

342 views • 18 slides

Transposition Tables

Transposition Tables. Jos Uiterwijk May 3, 2006. Transpositions. A transposition is the re-occurrence of a position in a search process. For example, in Chess the position after 1. e4 e5 2. Nf3 is the same as after 1. Nf3 e5 2. e4. Transposition tables.

464 views • 14 slides

Week Fourteen Agenda

Week Fourteen Agenda. Announcements Final exam test dates. December 11 through 18. Presentations Hash Function If there are problems associated with taking the final exam , call me at 614.519.5853 and be persistent . Week Fourteen .

210 views • 10 slides

Hashing

Hashing. What is hashing. Simply, generating a numeric key using an algorithm (hash function) Definition: A function that maps keys to integers, usually to get an even distribution on a smaller set of values. The very simplest hash function is to use the modulus operator %

664 views • 6 slides