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Index for glossary E

Encryption

A process to encode the contents of message so as to hide it from outsiders. That is, it is a process of scrambling and transforming data from an easily readable and understandable format (plaintext) into an unintelligible format that seems to be useless and not readily understandable (ciphertext).

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Extensible Access Control Markup Language (XACML)

XACML is an OASIS standard for expressing policies for information access over the Internet using XML. It is based on the access control matrix model and allows for defining authorisation rules for each element of an XML document, or the document as a whole.

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Error Log

The log which records all the errors encountered in a system.