| http://www.w3.org/ns/prov#value | - In another embodiment of the present invention, the nonlinear function is an s-box and the system generally includes a s-box linear combination function which uses a round operator generally from a second algebraic group executable on the computing unit which combines a one-to-one round segment with the output of an s-box lookup of a value which depends on a preselected number of bits from a prese
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