Block Cipher Essays

Online Examination System

The cellular concept, cellular frequency planning, link control, handoffs, power control, traffic capacity, propagation modelling, digital transmission techniques, fading mitigation, multiple access techniques, wireless networking, examples of current and future wireless standards. Introduction and overview (1 Lecture) Introduction to Cryptography: (2 lectures) Terminology steganography, substitution and transformation ciphers, XOR,¬†one-time pads, Protocol Building Blocks: (3 Lectures) Communications using symmetric cryptography, one-way hash functions, communications using public-key cryptography, digital signatures,¬†Basic Protocols: (2 lectures) Key exchange, authentication, secret splitting, secret sharing, cryptographic protection…

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