Invention Grant
US09547758B2 Program cable obfuscation based upon recently executed program code
有权
基于最近执行的程序代码编程电缆模糊
- Patent Title: Program cable obfuscation based upon recently executed program code
- Patent Title (中): 基于最近执行的程序代码编程电缆模糊
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Application No.: US14281232Application Date: 2014-05-19
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Publication No.: US09547758B2Publication Date: 2017-01-17
- Inventor: Jan Hoogerbruggge , Wil Michiels
- Applicant: NXP B.V.
- Applicant Address: NL Eindhoven
- Assignee: NXP B.V.
- Current Assignee: NXP B.V.
- Current Assignee Address: NL Eindhoven
- Main IPC: G06F21/00
- IPC: G06F21/00 ; G06F12/14 ; G06F21/14 ; G06F9/45
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.
Public/Granted literature
- US20150332027A1 PROGRAM CABLE OBFUSCATION BASED UPON RECENTLY EXECUTED PROGRAM CODE Public/Granted day:2015-11-19
Information query
