公开(公告)号：US20230018185A1

公开(公告)日：2023-01-19

申请号：US17950493

申请日：2022-09-22

申请人： Arm Limited

发明人： Michael WEINER ,  Oded GOLOMBEK ,  Harel ADANI

IPC分类号： H04L9/00 ,  G06F21/60 ,  G06F21/85

摘要： A method for obfuscating data at-transit can include receiving, at a first component on a chip, an instruction request for communicating a first data to a second component on the chip. The first component can be a processor and the second component can be an associated memory. The method can further include, determining a sequence of data arranged to obfuscate the first data while including valid bits of the first data, wherein the sequence of data indicates what is to be conveyed across lines on the chip during each time slot over a window of time controlled by a clock signal on the chip; and providing, over the window of time, the first data to the second component across the lines on the chip according to the sequence of data.

公开(公告)号：US20210119763A1

公开(公告)日：2021-04-22

申请号：US16656388

申请日：2019-10-17

申请人： Arm Limited

发明人： Michael WEINER ,  Oded GOLOMBEK ,  Harel ADANI

IPC分类号： H04L9/00 ,  G06F21/60 ,  G06F21/85

摘要： A method for obfuscating data at-transit can include receiving a request for communicating data, determining a sequence of data at-transit for a window of time; and providing the sequence of the data at transit for performing communications across interconnect to another component. The described method can be carried out by an obfuscation engine implemented in an electronic system such as within a secure element. A secure element can include a processor and a memory. The obfuscation engine can be part of the processor, part of the memory, or a stand-alone component.