Slide 1BA 572 - J. Galván1 SECURITY Needs of security for e-commerce Slide 2 BA 572 - J. Galván2 WHAT IS COMPUTER SECURITY? Securing communications Three steps: Secrecy…

Slide 1Computer Security Set of slides 5 Dr Alexei Vernitski Slide 2 Man-in-the-middle attack Alice and Bob work in the same company. They want to use the RSA cipher to communicate…

Slide 1SSL, HTTPS and the Lock Icon Borrowed from Dan Boneh & others Slide 2 Goals for this lecture Brief overview of HTTPS: How the SSL/TLS protocol works (very briefly)…

Slide 1 Public Key Management and X.509 Certificates CSCI 5857: Encoding and Encryption Slide 2 Outline Public key distribution problems Trusted center solution Certification…

Slide 1Public Key Cryptography Concepts The key management problem Asymmetric Cryptography Message privacy Message signing But who created this public key ? PK Certificates…

Key Management and Certificates By the power vested in me I now declare this text and this bit string ‘name’ and ‘key’. What RSA has joined, let no man put asunder…

Chapter 3: Basic Protocols Dulal C. Kar Key Exchange with Symmetric Cryptography Session key A separate key for one particular communication session Assume Alice and Bob…

Lecture 11 Public Key Infrastructure (PKI) CIS 4362 - CIS 5357 Network Security What is a PKI Components / structure to securely distribute public keys Repository for certificates…

CSIS 5857 Public Key Management and X.509 Certificates CSCI 5857: Encoding and Encryption 1 Outline Public key distribution problems Trusted center solution Certification…

Public Key Crypto In the Bounded Retrieval Model and Security Against Side-Channel Attacks Recent Progress in leakage-Resilient cryptography Daniel Wichs (NYU) (China Theory…