To encrypt a digital object, a key ID is selected for the digital object, and a function ( ) having an input and an output is selected. The selected key ID is then employed as the input to the function ( ), and the output of such function ( ) is employed as the key (KD) for the digital object: (key ID)

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key (KD). The digital object is then according to such key (KD), and the encrypted digital object is distributed.

 
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