'Secure hash algorithm' presentation slideshows

Cryptography

Cryptography. Chapter 5. Objectives. Identify and describe the three types of cryptography. List and describe current cryptographic algorithms. Explain how cryptography is applied for security. Agenda. Basic Terms and the Encryption/Decryption Process Types of Ciphers

1.1k views • 73 slides

Cryptographic Hash Functions (Ch. 11)

Cryptographic Hash Functions (Ch. 11). Applications of cryptographic hash functions Simple hash functions Requirements and security Hash functions based on cipher block chaining Secure hash algorithm (SHA) SHA-3 Summary. Hash functions. Condenses arbitrary message to fixed size h = H(M)

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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

1.59k views • 50 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

532 views • 50 slides

William Stallings Data and Computer Communications

William Stallings Data and Computer Communications. Chapter 18 Network Security. Security Requirements. Confidentiality Integrity Availability. Passive Attacks. Eavesdropping on transmissions To obtain information Release of message contents Outsider learns content of transmission

646 views • 49 slides

Cryptographic Hash Functions

Cryptographic Hash Functions. 01204427 June 2012. 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

497 views • 47 slides

Computer System Security CSE 5339/7339

541 views • 44 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 11. Cryptographic Hash Functions.

545 views • 42 slides

Electronic Payment Systems 20-763 Lecture 4 ePayment Security I

Electronic Payment Systems 20-763 Lecture 4 ePayment Security I. ePayment Security. ePayments are impossible without security. Keep financial data secret from unauthorized parties (privacy) CRYPTOGRAPHY Verify that messages have not been altered in transit (integrity) HASH FUNCTIONS

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Hashing

Hashing. Chapter 8. Symbol Table. Symbol table is used widely in many applications. dictionary is a kind of symbol table data dictionary is database management In general, the following operations are performed on a symbol table determine if a particular name is in the table

624 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 13. Hash Algorithms. Chapter 13. Hash Algorithms (1/3).

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Best Kept Secrets of the NCSC

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CS363

Week 4 - Friday. CS363. Last time. What did we talk about last time? Snow day But you should have read about Key management. Questions?. Project 1. Assignment 2. Security Presentation. Claire Chambless. Hash Function Motivation. Where Do Passwords Go?.

430 views • 30 slides

Cryptographic Hash Functions

Cryptographic Hash Functions. Hash Function. The hash value represents concisely the longer message may called the message diges t A message digest is as a ``digital fingerprint'' of the original document. condenses arbitrary message to fixed size h = H ( M ). Hashing V.S. Encryption.

308 views • 29 slides

254542 Networks Management and Security

254542 Networks Management and Security. Lecture 3. Public-Key Cryptography. Each party will have a public key for encryption and a private key for decryption No key transmission High scalability Either key can be used first (for encryption)!. E p (m). m. M = D s (E p (m)).

356 views • 28 slides

Digital Evidence Incident Response and Computer Forensics

Preparing for Incident Response. Digital Evidence Incident Response and Computer Forensics. Using encryption on the Internet is the equivalent of arranging an armored car to deliver credit-card information from someone living in a cardboard box to someone living on a park bench.

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New Enhancements in the Synthetic Derivative and What that Means for the Researcher

New Enhancements in the Synthetic Derivative and What that Means for the Researcher. Jacqueline Kirby June 7 th , 2013. Resources. StarPanel Identified clinical data; designed for clinical use Record Counter De-identified clinical data; sophisticated phenotype searching

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MTAC # 104 List Certification Status Update

MTAC # 104 List Certification Status Update. USPS Co-chairs: Charles Hunt, James Wilson Industry Co-chair: Chris Lien USPS Sponsors: Charles Bravo, Nick Barranca Industry Sponsors: Ernie Rojas, Joe Lubenow. November 2, 2006. Major Stakeholders. Postage Payers / Mailers List Owners

184 views • 9 slides