Lecture 2- Authentication and Cryptography - AUTHENTICATION...

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A UTHENTICATION & B ASIC C RYPTOGRAPHY Lecture 2 Week 2 1
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T OPICS What is authentication? Password Cryptography Concept Cryptography Algorithms Digital Signature Public Key Infrastructure (PKI) RSA Methods of Attacks in Encryption Systems 2
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W HAT IS A UTHENTICATION ? Verification of identity of someone who generated some data Relates to identity verification classifications of identity verification: by something known e.g. password by something possessed e.g. smart card, passport by physical characteristics (biometrics) e.g. finger prints, palm prints, retina, voice by a result of involuntary action : signature 3
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