Patent application number | Description | Published |
20090158051 | METHOD AND SYSTEM FOR OBFUSCATING A CRYPTOGRAPHIC FUNCTION - A method of protecting an integrity of a data processing system. The method comprises determining ( | 06-18-2009 |
20090199305 | CONTROLLING DISTRIBUTION OF DIGITAL CONTENT - A method of controlling distribution of digital content ( | 08-06-2009 |
20090254759 | TAMPER RESISTANCE OF A DIGITAL DATA PROCESSING UNIT - A system for increasing a tamper resistance of a digital data processing unit, comprises a first unit ( | 10-08-2009 |
20090265668 | 3D INPUT/NAVIGATION DEVICE WITH FREEZE AND RESUME FUNCTION - 3D input/navigation device, method and computer program product for controlling an object in a three-dimensional space by an operator, wherein an object can be switched in a frozen condition in which the movements of the object are suppressed with respect to at least one direction such that the object can only be moved in a surface or along a line determined by the operator and can be switched in a released condition in which the object is resumed or released such that it is freely controllable corresponding to a relative position of the device in a reference system. | 10-22-2009 |
20100080395 | CRYPTOGRAPHIC METHOD FOR A WHITE-BOX IMPLEMENTATION - A cryptographic method is implemented in a white-box implementation thereof. The method comprises applying a plurality of transformations ( | 04-01-2010 |
20100303231 | UPDATING CRYPTOGRAPHIC KEY DATA | 12-02-2010 |
20120002807 | WHITE-BOX CRYPTOGRAPHIC SYSTEM WITH INPUT DEPENDENT ENCODINGS - A white-box cryptographic system is presented wherein at least one of its internal values is represented using an input dependent encoding. The system comprises a network of a plurality of basic blocks arranged for collectively performing a cryptographic operation. An encoder is arranged for encoding output data of a first one of the plurality of basic blocks into an encoder-output according to a selected one of a plurality of encoding schemes, said selection depending on an input-message to the system. A compensator is arranged for recoding intermediate data to compensate for the effect of the encoding according to a selected one of a plurality of recoding schemes. Using variable encodings instead of fixed encodings complicates reverse engineering the white-box cryptographic system. | 01-05-2012 |
20140365783 | METHOD AND SYSTEM FOR VERIFYING AUTHENTICITY OF AT LEAST PART OF AN EXECUTION ENVIRONMENT FOR EXECUTING A COMPUTER MODULE - A system for verifying authenticity of at least part of an execution environment for executing a computer program module. The system includes a processor and a storage for storing the computer program module and the execution environment. The computer program module is operative to cause the processor to process digital input data in dependence on a plurality of predetermined digital parameters. The system includes means for deriving at least part of one of the plurality of predetermined digital parameters from the at least part of the execution environment. | 12-11-2014 |
20150067441 | COMPUTING DEVICE STORING LOOK-UP TABLES FOR COMPUTATION OF A FUNCTION - A computing device is provide, configured to compute a function of one or more inputs, the device comprising a storage device storing one or more look-up tables used in the computation of said function, the look-up tables mapping input values to output values, the look-up table being constructed with respect to the first error correcting code, a second error correcting code, a first error threshold and a second error threshold, such that any two input values ( | 03-05-2015 |