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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mask generation function


function which maps strings of bits to strings of bits of arbitrary specified length, satisfying the following property - it is computationally infeasible to predict, given one part of an output but not the input, another part of the output.

source: ISO9796-2, 2002


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