Audit Information systems & IT Security
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Audit Information systems & and IT Security

Information System audit and IT Security

Definitions and Terminology

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split knowledge



process by which a cryptographic key is split into multiple key components, individually sharing no knowledge of the original key, that can be subsequently input into, or output from, a cryptographic module by separate entities and combined to recreate the original cryptographic key

source: ISO19790, 2006


Condition in which two or more entities separately have key components that individually convey no knowledge of the resultant cryptographic key.

source: PCI DSS, 2008



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Auditing Security and IT Systems
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