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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challenge


a data item chosen at random and sent by the verifier to the claimant, which is used by the claimant, in conjunction with secret information held by the claimant, to generate a response which is sent to the verifier.

source: ISO9798-1, 1997

procedure parameter used in conjunction with secret parameters to produce a response

source: ISO9798-5, 2004


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