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1. 发明公开

US20230367704A1 FUZZY TESTING A SOFTWARE SYSTEM 审中-公开
公开(公告)号：US20230367704A1
公开(公告)日：2023-11-16
申请号：US18144949
申请日：2023-05-09
申请人： Irdeto B.V.
发明人： Martin Soukup , Daniel Murdock , Lama Moukahal , Mohammad Zulkernine
IPC分类号： G06F11/36
CPC分类号： G06F11/3688 , G06F11/3644 , G06F11/3692
摘要： A method for a testing system to perform fuzzy testing of a software system, wherein the software system comprises a plurality of callable units and is arranged to receive input for the software system to process, the method comprising: determining, for each callable unit of the plurality of callable units, based on one or more security vulnerability metrics, a target number of times that callable unit is to be tested; initializing a ranked plurality of queues, each queue for storing one or more seeds, said initializing comprising storing one or more initial seeds in a corresponding queue of the ranked plurality of queues; performing a sequence of tests, wherein performing each test comprises: obtaining a seed from the highest ranked non-empty queue; performing a mutation process on the obtained seed to generate a test seed, wherein the mutation process is configured, at least in part, by mutation guidance information; providing the test seed as input to the software system for the software system to process; and evaluating the processing of the test seed by the software system to generate a result for the test; wherein each queue in the ranked plurality of queues has an associated seed addition criterion and wherein performing each test comprises either (a) adding the test seed to the highest ranked queue in the ranked plurality of queues for which the test seed meets the seed addition criterion associated with that queue; or (b) discarding the test seed if the test seed does not meet the seed addition criterion associated with any of the queues in the ranked plurality of queues; wherein the seed addition criteria are configured so that, if processing of a first test seed by the software system involves execution of, or an execution path approaching, a callable unit of interest and if processing of a second test seed by the software system does not involve execution of, or an execution path approaching, a callable unit of interest, then the queue to which the first test seed is added is of higher rank than the queue to which the second test seed is added, wherein a callable unit is a callable unit of interest if the current number of tests that have resulted in execution of that callable unit is less than the target number of times that callable unit is to be tested.

2. 发明申请

US20210084387A1 Device and Method for GPU-based Watermarking 有权
公开(公告)号：US20210084387A1
公开(公告)日：2021-03-18
申请号：US17063795
申请日：2020-10-06
申请人： Irdeto B.V.
发明人： Martin Soukup , Daniel Murdock
IPC分类号： H04N21/8358 , G06F21/16 , G06T1/00 , G06F8/60 , G06F21/14 , G06T15/00 , H04L29/06 , H04N21/239 , H04N21/258
摘要： A method and system for watermarking content utilizing a user device GPU. Embodiments include receiving on a processing server a request from a video server for a video to be played on the user's device. The processing server may extract a set of identifying information, such as user information, from the request for the video. The processing server may further prepare shader software code which is to be executed on a GPU present on the user's device. The code preparation may include creating a watermarking procedure to be executed during playback on the user device. The processing server may further transmit the shader software code to the streaming video server to be transmitted to the user device for execution during video playback.

3. 发明授权

US10805693B2 Device and method for GPU-based watermarking 有权
公开(公告)号：US10805693B2
公开(公告)日：2020-10-13
申请号：US16129486
申请日：2018-09-12
申请人： Irdeto B.V.
发明人： Martin Soukup , Daniel Murdock
IPC分类号： H04N7/167 , H04N21/8358 , G06F21/16 , G06T1/00 , G06F8/60 , G06F21/14 , G06T15/00 , H04L29/06 , H04N21/239 , H04N21/258
摘要： A method and system for watermarking content utilizing a user device GPU. Embodiments include receiving on a processing server a request from a video server for a video to be played on the user's device. The processing server may extract a set of identifying information, such as user information, from the request for the video. The processing server may further prepare shader software code which is to be executed on a GPU present on the user's device. The code preparation may include creating a watermarking procedure to be executed during playback on the user device. The processing server may further transmit the shader software code to the streaming video server to be transmitted to the user device for execution during video playback.

4. 发明公开

US20240217523A1 System and Method for Controlling Access Based on Preconditioned Activities 审中-公开
公开(公告)号：US20240217523A1
公开(公告)日：2024-07-04
申请号：US18440636
申请日：2024-02-13
申请人： Irdeto B.V.
发明人： Rajesh S. Mehta , Abby Szafranski , Gregory Spriggs , Robert Gottschalk , Karthik Reddy Gaddam , Donald J. Finney , Daniel Murdock , Chandima Saranath Samaraweera
IPC分类号： B60W40/09 , B60W40/08
CPC分类号： B60W40/09 , B60W2040/0809 , B60W2040/0872
摘要： Methods and systems for continuing authenticating a user of a device based on external conditions. A likelihood value, indicating the likelihood that the external conditions have been satisfied, is generated and the user is permitted to continue the authenticated use when the value is determined to be acceptable.

5. 发明申请

US20190141414A1 Device and Method for GPU-based Watermarking 审中-公开
公开(公告)号：US20190141414A1
公开(公告)日：2019-05-09
申请号：US16129486
申请日：2018-09-12
申请人： Irdeto B.V.
发明人： Grant Goodes , Martin Soukup , Daniel Murdock
IPC分类号： H04N21/8358 , G06F8/60 , G06F21/16 , G06F21/14 , H04L29/06 , H04N21/239 , H04N21/258 , G06T15/00
摘要： A method and system for watermarking content utilizing a user device GPU. Embodiments include receiving on a processing server a request from a video server for a video to be played on the user's device. The processing server may extract a set of identifying information, such as user information, from the request for the video. The processing server may further prepare shader software code which is to be executed on a GPU present on the user's device. The code preparation may include creating a watermarking procedure to be executed during playback on the user device. The processing server may further transmit the shader software code to the streaming video server to be transmitted to the user device for execution during video playback.

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