A historical probability based noise generation strategy for privacy protection in cloud computing
Journal of Computer and System Sciences
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This paper proposes a software obfuscation mechanism in conjunction with a tamper-proof module.The proposed mechanism overcomes the limitation of software-based obfuscation techniques where an obfuscated program contains critical parameters in itself.We divide a program into two parts: an obfuscated program and secret parameters.The obfuscated program is executed on a mobile phone or a computer, and it cannot be solely analyzed.An applet in the tamper-proof module securely stores the secret parameters and assists the execution of the obfuscation program. We implemented the proposed mechanism on a mobile phone and user identify module.The experiment results provide criteria for leveraging our obfuscation mechanism to protect both small-sized and large-sized programs.