Patent ID: 9076007
Filing Date: 2015-07-07
Classification: G06F,G06Q,G07F,G11B

Abstract:
1. A method for managing data on a smart card having a microprocessor, the method comprising the steps of: checking data for the presence of a digital watermark therein; and marking data with a digital watermark if a digital watermark is not present in the checked data, wherein the steps of checking data and marking data are carried out on said smart card having the microprocessor; and storing the digitally watermarked data in a non-volatile memory of said smart card having the microprocessor, wherein, in the step of checking data for the presence of a digital watermark, in response to the data being determined to be marked with a first watermark, the data are further marked with a second watermark, the second watermarking specifying the data carrier.