公开(公告)号：US20150110265A1

公开(公告)日：2015-04-23

申请号：US14521150

申请日：2014-10-22

Applicant: Proton World International N.V.

Inventor： Alexandre Wostyn ,  Jean-Louis Modave

IPC: H04L9/00 ,  G06F12/14

CPC classification number: H04L9/003 ,  G06F12/1408 ,  G06F21/72 ,  G06F21/755 ,  G06F21/77 ,  H04L2209/26

Abstract: A protection mechanism for the execution of an encryption algorithm is disclosed. In the mechanism the encryption algorithm has its execution preceded by an update of a counter stored in a reprogrammable non-volatile memory. Storing the value of the counter into the memory corresponds with the execution of the algorithm.

Abstract translation: 公开了一种用于执行加密算法的保护机制。 在机制中，加密算法的执行先于存储在可重新编程的非易失性存储器中的计数器的更新。 将计数器的值存储到存储器中对应于算法的执行。

公开(公告)号：US20140093026A1

公开(公告)日：2014-04-03

申请号：US14099732

申请日：2013-12-06

Applicant: Proton World International N.V.

Inventor： Michel Dawirs ,  Jean-Louis Modave

IPC: H03K21/00

CPC classification number: H03K21/00 ,  G11C16/349 ,  H03K21/403

Abstract: A counter in a non-volatile memory including at least two sub-counters, each counting with a different modulo, an increment of the counter being transferred on a single one of the sub-counters and the sub-counters being incremented sequentially.

Abstract translation: 包括至少两个子计数器的非易失性存储器中的计数器，每个副计数器以不同的模计数，在单个子计数器上传送的计数器的增量和子计数器依次递增。

公开(公告)号：US20130159791A1

公开(公告)日：2013-06-20

申请号：US13715157

申请日：2012-12-14

Applicant: Proton World International N.V. ,  STMicroelectronics (Rousset) SAS

Inventor： Fabrice Marinet ,  Jean-Louis Modave ,  Gilles Van Assche ,  Ronny Van Keer

IPC: G06F11/00

CPC classification number: G06F21/554 ,  G06F11/006 ,  G06F11/073 ,  G06F11/0751 ,  G06F11/079 ,  G06F21/755 ,  G06F2207/7219

Abstract: The disclosure concerns a method implemented by a processing device. The method includes performing a first execution by the processing device of a computing function based on one or more initial parameters stored in a first memory device. The execution of the computing function generates one or more modified values of at least one of the initial parameters, wherein during the first execution the one or more initial parameters are read from the first memory device and the one or more modified values are stored in a second memory device. The method also includes performing a second execution by the processing device of the computing function based on the one or more initial parameters stored in the first memory device.

Abstract translation: 本公开涉及由处理装置实现的方法。 该方法包括：基于存储在第一存储器设备中的一个或多个初始参数来执行计算功能的处理设备的第一执行。 计算功能的执行产生至少一个初始参数的一个或多个修改值，其中在第一次执行期间，从第一存储器件读取一个或多个初始参数，并且将一个或多个修改值存储在 第二存储设备。 该方法还包括基于存储在第一存储器件中的一个或多个初始参数来执行计算功能的处理设备的第二执行。