'Sha 512' diaporamas de présentation

CSN08101 Digital Forensics Lecture 3: Linux Searching

CSN08101 Digital Forensics Lecture 3: Linux Searching. Module Leader: Dr Gordon Russell Lecturers: Robert Ludwiniak. This week is all about: Finding files Searching files Understanding files Editing files. Essential Linux for Forensics. You will learn in this lecture:

765 views • 52 slides

CprE / ComS 583 Reconfigurable Computing

635 views • 51 slides

CprE / ComS 583 Reconfigurable Computing

618 views • 51 slides

Cryptographic Hash Functions

Cryptographic Hash Functions. July 2011. Topics. Overview of Cryptography Hash Function Usages Properties Hashing Function Structure Attack on Hash Function The Road to new Secure Hash Standard. Hash Function. The hash value represents concisely the longer message

1.58k views • 50 slides

Lecture 24 Public-Key Cryptography

Lecture 24 Public-Key Cryptography. modified from slides of Lawrie Brown. Public-Key Cryptography and Message Authentication. now look at technical detail concerning: secure hash functions and HMAC RSA & Diffie-Hellman Public-Key Algorithms. Collision-resistant, One-way hash fnc.

628 views • 49 slides

CSCE 715: Network Systems Security

CSCE 715: Network Systems Security. Chin-Tser Huang huangct@cse.sc.edu University of South Carolina. Next Topic in Cryptographic Tools. Symmetric key encryption Asymmetric key encryption Hash functions and message digest Nonce. Message Authentication.

444 views • 36 slides

Cryptography and Network Security Chapter 11

404 views • 34 slides

Cryptography and Network Security Chapter 11

487 views • 31 slides

CPSC 3730 Cryptography

CPSC 3730 Cryptography. Chapter 11, 12 Message Authentication and Hash Functions. Message Authentication. message authentication is concerned with: protecting the integrity of a message validating identity of originator non-repudiation of origin (dispute resolution)

446 views • 29 slides

Hash Functions

Hash Functions. A hash function H accepts a variable-length block of data M as input and produces a fixed-size hash value h = H( M ) Principal object is data integrity Cryptographic hash function An algorithm for which it is computationally infeasible to find either:

951 views • 29 slides

??? MAC ??? Hash and MAC Algorithms

??? MAC ??? Hash and MAC Algorithms. ???? G962102 ????. ????. Secure Hash Algorithm (SHA ???????? ) Whirlpool HMAC CMAC. MD5 ??. MD5 ( Message-Digest algorithm 5) ????????? (90 ?? ) ???????????

562 views • 28 slides

Hashing Algorithms: SHA-512 and SHA-3

2.6k views • 23 slides

Chapter 12: Hash and MAC Algorithms

Fourth Edition by William Stallings Lecture slides by Lawrie Brown (modified by Prof. M. Singhal, U of Kentucky). Chapter 12: Hash and MAC Algorithms. Hash and MAC Algorithms. Hash Functions condense arbitrary size message to fixed size by processing message in blocks

738 views • 22 slides

Cryptography and Network Security Chapter 11

342 views • 21 slides

MD5 Summary and Computer Examination Process

MD5 Summary and Computer Examination Process. Introduction to Computer Forensics. Computer Examination.

301 views • 17 slides

Cryptography and Network Security (CS435)

Cryptography and Network Security (CS435). Part Ten (Hash and MAC algorithms). Hash Algorithm Structure. Secure Hash Algorithm. SHA originally designed by NIST & NSA in 1993 was revised in 1995 as SHA-1 US standard for use with DSA signature scheme

329 views • 16 slides

Intro to Cryptography

164 views • 16 slides

Primitive Operations

Primitive Operations. Two Types of Operations. Communication Operations Reader to tag Read Write Tag to Tag Read Write Hash and Encryption Operations Hash: MD5, Sha-1, Sha-256, Sha-512 Encryption: Symmetric: AES, DES Asymmetric: RSA. Reader. RFID tag. Challenge C.

252 views • 11 slides

1Z0-460 Preparation Material

1Z0-460, 1Z0-460 exam, 1Z0-460 exam questions, 1Z0-460 certification practice test, 1Z0-460 test questions, 1Z0-460 practice test, 1Z0-460 study material, 1Z0-460 study guide, 1Z0-460 pdf download, 1Z0-460 Certification, 1Z0-460 exam questions, 1Z0-460 Sample Questions, 1Z0-460 exam certification, 1Z0-460 Free Exam, 1Z0-460 PDF Download, 1Z0-460 latest exam, 1Z0-460 Braindumps, 1Z0-460 questions answers, 1Z0-460 Discount Code, 1Z0-460 Updated 2017, 1Z0-460 it certification courses, 1Z0-460 professional certification, 1Z0-460 certification courses

160 views • 8 slides

Using SHA2 Algorithms with CMS draft-ietf-turner-sha2-00.txt

Using SHA2 Algorithms with CMS draft-ietf-turner-sha2-00.txt. Sean Turner turners@ieca.com. Overview. Purpose of draft is to provide conventions for use of SHA2 algorithms with CMS Similar to RFC3370 Initial draft addressed message digest algorithms: SHA-224, SHA-256, SHA-384, SHA-512

178 views • 3 slides