'Decrypt' presentation slideshows

An Analysis of the Wombat Voting System Model

An Analysis of the Wombat Voting System Model. Security. Hacking. Electronics. Elections. Transparency. Democracy. By Eitan Grundland. The System Goals. Integrity Privacy Transparency. Why Change to Digital ?. Computers are faster! Computers are more accurate!

691 views • 51 slides

Plain Text

Plain Text. Also called as clear text Language that we normally use Easily understood by everybody. Plain text in other forms. Digitalized form (ASCII or BIG-5 coded) 0100 0001 A 0110 0001 a 00110000 0 0100 0010 B 0110 0010 b 00110001 1 Telegram form (Morse Code)

840 views • 49 slides

Defending against Stack Smashing attacks

702 views • 33 slides

Defending against Stack Smashing attacks

490 views • 33 slides

Asymmetric Cryptography

Asymmetric Cryptography. Concepts and Concerns. About the Speaker. Chuck Easttom chuck@chuckeasttom.com www.ChuckEasttom.com

445 views • 24 slides

CISC 210 - Class Today

336 views • 23 slides

Section 2.9 The Hill Cipher; Matrices

542 views • 14 slides

EASiER: Encryption-based Access Control in Social Networks with Efficient Revocation

Sonia Jahid, Prateek Mittal, Nikita Borisov University of Illinois at Urbana-Champaign Presented by Nikita Borisov ASIACCS 2011. EASiER: Encryption-based Access Control in Social Networks with Efficient Revocation. Motivation. Encryption. Encrypt social network data

298 views • 13 slides

Computer Security coursework 2

Computer Security coursework 2. Dr Alexei Vernitski. Aims of the coursework. Learn more about: arithmetic and modular arithmetic public-key ciphers, including RSA brute-force attacks against ciphers security of ciphers codes, including ASCII cryptography in general

286 views • 13 slides

Public Key Cryptography

Colin Dougherty. Public Key Cryptography. What is Cryptography?. Private Symmetric key Example: AES Public Asymmetric keys Example: RSA. Applications. Real World Spies, NSA, CIA Financial Institutions Alice, Bob and Eve Computer Science Primes, factoring, hashing Randomness

333 views • 12 slides

A3C EVOTING A nonymous C ounters & C ollaborative C lustering E-Voting

A3C EVOTING A nonymous C ounters & C ollaborative C lustering E-Voting. Justin Gray Osama Khaleel Joey LaConte Frank Watson. Agenda. Introduction / Overview. A3C system init. Ballot Generation Computer (BGC) init. Counters init. Voting process. Conclude voting. Publish results.

172 views • 10 slides

Fiddler

261 views • 10 slides

SPI Bus

Desire to make this link logically secure, via encryption. Insecure RF Link. Terminal. Contactless Module. Broadcom processor. Atmel chip. Futurex Key Server. Internet. ethernet. SPI Bus. SPI Bus. Maxim. PN512.

191 views • 5 slides

encrypt | encrypt text

Make sure whoever you are sending the message to has this key so they can decode the message This is the key you need to share with anyone you want to be able to decrypt the message.

74 views • 4 slides