Android application program protective method and system based on order confusion
A technology of application programs and instructions, applied in the field of information security, can solve problems such as cumbersome and affect the efficiency of program operation, and achieve the effect of complete protection
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[0029] Such as figure 1 As shown, the present embodiment relates to a method, and its specific steps include:
[0030] 1. Use the matrix generation module to generate a permutation matrix, such as Figure 4 As shown, it is an example of a permutation matrix; the permutation matrix is composed of an opcode mapping table. While performing one-to-one corresponding permutation of the opcodes according to the mapping table, the operands are left unchanged and a new bytecode is generated. and the corresponding instructions.
[0031] 2. Use the application obfuscation module to obfuscate the APK file.
[0032] 3. Use the interpreter generation module to generate the corresponding obfuscated interpreter.
[0033] 4. Use the system file generation module to make the confusing interpreter into a mirror image file.
[0034] 5. Use the execution module to install the image file on the target device, and then the obfuscated application can be used normally.
[0035] Such as figure...
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