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公开(公告)号：US09547758B2
公开(公告)日：2017-01-17
申请号：US14281232
申请日：2014-05-19
Applicant: NXP B.V.
Inventor： Jan Hoogerbruggge , Wil Michiels
CPC classification number: G06F21/14 , G06F8/40 , G06F2221/0748
Abstract: A method of obscuring software code including a plurality of instructions, comprising: determining, by a processor, a number N prior instructions to a current instruction; encoding the current instruction based upon a first function, a second function, and the N prior instructions, wherein the second function is based upon the N prior instructions, and wherein the first function is based upon the current instruction and an output of the second function.
Abstract translation: 一种模糊包括多个指令的软件代码的方法，包括：由处理器确定当前指令的N个先前指令; 基于第一功能，第二功能和N个先前指令对当前指令进行编码，其中第二功能基于N个先前的指令，并且其中第一功能基于当前指令和第二功能的输出 。
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公开(公告)号：US20150332027A1
公开(公告)日：2015-11-19
申请号：US14281232
申请日：2014-05-19
Applicant: NXP B.V.
Inventor： Jan Hoogerbruggge , Wil Michiels
CPC classification number: G06F21/14 , G06F8/40 , G06F2221/0748
Abstract: A method of obscuring software code including a plurality of instructions, comprising: determining, by a processor, a number N prior instructions to a current instruction; encoding the current instruction based upon a first function, a second function, and the N prior instructions, wherein the second function is based upon the N prior instructions, and wherein the first function is based upon the current instruction and an output of the second function.
Abstract translation: 一种模糊包括多个指令的软件代码的方法，包括：由处理器确定当前指令的N个先前指令; 基于第一功能，第二功能和N个先前指令对当前指令进行编码，其中第二功能基于N个先前的指令，并且其中第一功能基于当前指令和第二功能的输出 。
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