'Cryptographic systems' presentation slideshows

A current analysis of man in the middle (mitm) attacks

A current analysis of man in the middle (mitm) attacks. Sachin Deodhar <sdeodhar@kpmg.com>. The scenario. Server. Attacker. Client. MITM attack scenarios TOC. Different attacks in different scenarios: LOCAL AREA NETWORK: - ARP poisoning - DNS spoofing - STP mangling

1.15k views • 62 slides

A current analysis of man in the middle (mitm) attacks

A current analysis of man in the middle (mitm) attacks. Sachin Deodhar <sdeodhar@kpmg.com>. The scenario. Server. Attacker. Client. MITM attack scenarios TOC. Different attacks in different scenarios: LOCAL AREA NETWORK: - ARP poisoning - DNS spoofing - STP mangling

901 views • 62 slides

Digital Signatures

881 views • 62 slides

New Cryptography

1.13k views • 43 slides

Conventional Cryptography (Symmetric Ciphers)

Conventional Cryptography (Symmetric Ciphers). Outline. Stream Ciphers and Block Ciphers Confusion and Diffusion DES (Data Encryption Standard) Exhaustive Key Search Triple DES, DESX AES (Advanced Encryption Standard) Operation Modes. Symmetric Encryption.

564 views • 41 slides

Cryptography

Cryptography. Cryptography is the technique of secret writing. A cipher is a method of secret writing. The purpose is to convert an intelligible message, referred to as plaintext, into apparently random nonsense text, referred to as ciphertext.

618 views • 41 slides

CPSC 490 Number Theory Primes, Factoring and Euler Phi-function

CPSC 490 Number Theory Primes, Factoring and Euler Phi-function. Mar.31 st , 2006 Sam Chan. Clarifications. The Euclidean Algorithm runs in logarithmic time. Finding modular inverses can be done using the extended Euclidean algorithm.

661 views • 36 slides

Zero-Knowledge Proofs

Zero-Knowledge Proofs. Sultan Almuhammadi ICS 454. And Their Applications in Cryptographic Systems. Introduction. Zero-knowledge proofs (ZKPs) To prove the knowledge of a secret without revealing it. Special form of interactive proofs (IP) between two parties: prover and verifier.

727 views • 36 slides

Zero-Knowledge Proofs

Zero-Knowledge Proofs. ICS 555 Cryptography and Data Security Sultan Almuhammadi. And Their Applications in Cryptographic Systems. Introduction. Zero-knowledge proofs (ZKPs) To prove the knowledge of a secret without revealing it.

779 views • 35 slides

VEDIC MATHEMATICS : Primes

VEDIC MATHEMATICS : Primes. T. K. Prasad http://www.cs.wright.edu/~tkprasad. Divisibility. A number n is divisible by f if there exists another number q such that n = f * q. f is called the factor and q is called the quotient . 25 is divisible by 5

554 views • 29 slides

DATA SECURITY & CRYPTOGRAPHY ECE575

DATA SECURITY & CRYPTOGRAPHY ECE575. Erkay Savas Oregon State University & rTrust Technologies. Announcements. Cryptographic algorithms implemented in Mathematica, Maple and Matlab are available at www.prenhall.com/washington

335 views • 19 slides

Overview of Cryptography & Its Applications

Overview of Cryptography & Its Applications. People wants and needs privacy and security while communicating

373 views • 19 slides

286 views • 18 slides

Cryptography, for Fun and Profit

Cryptography, for Fun and Profit. Synopsis. What is Cryptography? Some simple cryptographic systems and a modern application. An unbreakable cipher. Some modern algorithms (survey) Practical use of cryptography Some uses of cryptography. What is Cryptography?. Worst case conditions.

312 views • 9 slides

Why Cryptosystems Fail ?

Why Cryptosystems Fail ?. Mitesh Dave. What is Cryptography?. The science of code and cipher systems used by governments,banks and other organizations to keep information secure.

364 views • 7 slides