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 |
20090313480 | METHOD AND SYSTEM FOR OBFUSCATING A GRYPTOGRAPHIC FUNCTION - A method of proctecting an integrity of a data processing system. The method comprises determining a data string to be protected, an integrity of the data string being an indication of the integrity of the data protecessing system. Computing a set of parameters representing a predetermined data processing function, using a redundancy in the set of parameters to incorporate the data string into a bit representation of the set of parameters. Enabling the system to process data according to the set of parameters. The set of parameters represents at least part of cryptographic algorithm key. The set of parameters represents a netword of look-up tables. The network of look-up tables comprises a plurality of look-up tables of a white-box implementation of a data processing algorithm. The data processing algorithm comprises a cryptographic algorithm. | 12-17-2009 |
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 |
20100215173 | DATA SECURITY | 08-26-2010 |
20100303231 | UPDATING CRYPTOGRAPHIC KEY DATA | 12-02-2010 |
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 |