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    Cryptography and network security von Alencar, Marcelos S. 1957-

    Veröffentlicht 2022
    Inhaltsangabe: “… 2.5.6 Page Defacement 36 2.5.7 Denial of Service 36 2.6 Cryptography 37 2.6.1 Symmetric Key and Asymmetric Key Cryptography 37 2.6.2 Hash Function 38 2.6.3 Digital Signature 39 2.6.4 Digital Certificate 39 2.6.5 Cryptography Programs 41 3 Information Theory 43 3.1 Information Measurement 45 3.2 Requirements for an Information Metric 46 3.3 Source Coding 52 3.4 Extension of a Memoryless Discrete Source 54 3.4.1 Improving the Coding Efficiency 54 3.5 Prefix Codes 55 3.6 The Information Unit 58 4 Source Coding 61 4.1 Types of Source Codes 61 4.1.1 Block Codes 61 4.1.2 Non-Singular Codes 61 4.1.3 Uniquely Decodable Codes 62 4.1.4 Instantaneous Codes 63 4.2 Construction of Instantaneous Codes 65 4.3 Kraft Inequality 67 4.4 Huffman Code 69 4.4.1 Constructing a Binary Huffman Code 70 5 Information Transmission and Channel Capacity 75 5.1 The Concept of Information Theory 76 5.2 Joint Information Measurement 76 5.3 Conditional Entropy 78 5.4 Model for a Communication Channel 79 5.5 Noiseless …”
    DE-573
    EBSCOhost
    URL des Erstveröffentlichers
    Taylor & Francis
    Elektronisch E-Book
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