'Diffie hellman' presentation slideshows

CS 4740/6740 Network Security

984 views • 89 slides

Chapter 10: Network Security Topics Placement of the security function.

Chapter 10: Network Security Topics Placement of the security function. Security & the layered model. Secure Sockets Layer (SSL). Secure Electronic Transactions (SET). Transport Layer Security (TLS). Internet Protocol (IP) security (IPSec). Virtual Private Networks (VPN) (IP tunneling).

1.2k views • 80 slides

Computer Security 3e

Computer Security 3e. Dieter Gollmann. www.wiley.com/college/gollmann. Chapter 15: Key Establishment. Introduction. Crypto transforms (communications) security problems into key management problems.

1.12k views • 73 slides

COEN 350

COEN 350. IPSec, SSL, SSH,. Communication Security. Decision: What Layer? Implemented at application level Application change OS does not change Implemented at TCP/IP level OS changes Applications do not change. Communication Security. Session Key Establishment

813 views • 71 slides

What is encryption?

What is encryption?. A process that converts original information, also called plain text into a difficult-to-interpret form called ciphertext. Done by using an encryption algorithm, a formula used to turn plain text into ciphertext. Two types: Asymmetric and Symmetric. Asymmetric Encryption.

835 views • 50 slides

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????. ?????????. l ????????? l ????????? l ?????????????? l ???????????????? l ???????????????????? SSL ? SET ??? PGP ????. ?????????. l ????????????????????????? l ??????????????????????????????????? SSL ? SET ??? PGP ????. ????????. ?????? (Privacy) ???? ?????? (Integrity) ????

606 views • 42 slides

KEY MANAGEMENT in Ad-Hoc network

By Md Emran Mazumder Ottawa University Student no: 6282845. KEY MANAGEMENT in Ad-Hoc network . Introduction Security services Security attacks Cryptographic background RSA key generation Diffie-hellman algorithm Secret sharing schemes Partially distributed certificate authority

684 views • 36 slides

Cryptography and Network Security Chapter 10

943 views • 30 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) ?

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) ? Submission Title: Key Negotiation using DIET HIP Date Submitted: 24 June, 2010 Source: Robert Moskowitz (ICSA labs, an Independent Division of Verizon Business) ? Address: Detroit, MI USA

356 views • 29 slides

Information Security CS 526

352 views • 28 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) ?

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) ? Submission Title: Key Negotiation using DIET HIP Date Submitted: 22 June, 2010 Source: Robert Moskowitz (ICSAlabs, an Independent Division of Verizon Business Systems) ? Address: Detroit, MI USA

366 views • 28 slides

Introduction to Cryptography

Introduction to Cryptography. Based on: William Stallings, Cryptography and Network Security. Chapter 10. Other Public-Key Cryptosystems. Diffie-Hellman Key Exchange. First published public-key algorithm A number of commercial products employ this key exchange technique

732 views • 26 slides

Diffie-Hellman ???????

Diffie-Hellman ???????. ??. Diffie-Hellman ?? ?????? ?? Diffie-Hellman ??????? ????? Diffie-Hellman ?? ????? (GL n ) ?? Diffie-Hellman ?? ??. Diffie-Hellman ??. Diffie-Hellman Conjecture. Discrete Logarithm Problem (DLP) To find z given g z Diffie-Hellman problem (DHP)

684 views • 22 slides

Asymmetric Digital Signatures And Key Exchange

Asymmetric Digital Signatures And Key Exchange. Prof. Ravi Sandhu. DIGITAL SIGNATURES. INSECURE CHANNEL. Plaintext + Signature. Yes/No. Plain- text. Signature Algorithm S. Verification Algorithm V. A. B. A's Public Key. A's Private Key. RELIABLE CHANNEL.

332 views • 22 slides

Dr. Kemal Akkaya E-mail: kemal@cs.siu

419 views • 22 slides

Security in Ad Hoc Wireless Networks

384 views • 21 slides

(Re)Introducing Strong Password Protocols

278 views • 17 slides

QMCS 490 - Class Today

290 views • 12 slides

HW6 due tomorrow Teams T will get to pick their presentation day in the order

DTTF/NB479: Dszquphsbqiz Day 25. HW6 due tomorrow Teams T will get to pick their presentation day in the order Teams mostly formed. One team of 2 or two teams of 3? Questions? Review of mid-term feedback This week: Discrete Logs, Diffie -Hellman, ElGamal Hash Functions.

164 views • 8 slides

HW6 due tomorrow Teams T will get to pick their presentation day in the order

DTTF/NB479: Dszquphsbqiz Day 25. HW6 due tomorrow Teams T will get to pick their presentation day in the order Teams mostly formed. One team of 2 or two teams of 3? Questions? Review of mid-term feedback This week: Discrete Logs, Diffie -Hellman, ElGamal Hash Functions.

155 views • 8 slides