Koninklijke Philips Corporation N.v.

Paul Hubert Matthias Hutschemaekers

Oscar Garcia Morchon

Maarten Peter Bodlaender

A computer-implemented method of obfuscating a computer code comprises receiving () an original computer program comprising a plurality of code blocks with computer instructions, the original computer program operable on input data within an input space, the original computer program operable to follow an execution path through the plurality of code blocks when receiving the input data, wherein the input space is segmented into at least one segment according to a segmentation, each segment comprising a subset of the input space containing inputs that correspond to a same execution path. A plurality of updated code blocks is included () in the updated computer program. Selection code is operable, during execution of the updated computer program, to select an updated code block of the plurality of updated code blocks in dependence on the input data. The selection code is included () in the updated computer program.

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Sint-Oedenrode, Netherlands

Paul Hubert Matthias Hutschemaekers