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What is Data Encryption? - the process of encoding information in such a way that only the person (or computer) with the key can decode it
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DATA ENCRYPTION What is it? Data Encryption is the process of encoding information in such a way that only the person (or computer) with the key can decode it. Many forms of security all rely on encryption. The types of data that need encrypting are: * Credit-card information * Social Security numbers * Private correspondence * Personal details * Sensitive company information * Bank-account information Computer encryption is based on the science of cryptography. Most forms of cryptography in use these days rely on computers, simply because a human-based code is too easy for a computer to crack. Before the digital age, the biggest users of cryptography were governments, particularly for military purposes. The simplest form of encryption is a table lookup. Most computer encryption systems belong in one of two categories: Symmetric-key encryption and Public-key encryption. Symmetric-key encryption - Each computer has a secret key (code) that it can use to encrypt a packet of information...
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