Patent ID: 9087192
Filing Date: 2015-07-21
Classification: G06F,H04L

Abstract:
1. An electronic circuit comprising: a processing circuit configured to perform a data processing including a plurality of successive operations, wherein in at least some of the plurality of operations, a predetermined input value is processed; a check value memory; a controller configured to check, for each operation of the data processing performed by the processing circuit, whether the predetermined input value is processed in the operation, and, if the predetermined input value is processed in the operation, combine the predetermined input value to the content of the check value memory; and a detector configured to check, when the processing is complete, whether the content of the check value memory is equal to a predetermined value; wherein combining the predetermined input value to the content of the check value memory comprises combining the predetermined input value with the content of the check value memory to generate an updated content of the check value memory and storing the updated content of the check value memory in the check value memory.