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The Research of Multi-point Function Opaque Predicates Obfuscation Algorithm |
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PP: 3063-3070 |
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Author(s) |
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YANG Yubo,
FAN Wenqing,
HUANG Wei,
XU Guoai,
YANG Yixian,
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Abstract |
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| On the algorithm of code obfuscation, opaque predicate is used to confuse the judgment of the program branches to
achieve complex control flow statement. Currently, there are problems of obfuscation on the opaque predicate. The first problem is
the isolation. the relation between opaque predicate is relatively isolated, once an opaque predicates Boolean value is obtained, the
branch flow will always be identified; Second is the reversible, an attacker can determine the opaque predicate the Boolean value by
analyzing reversible slicing attacks. In this paper, we proposed multi-point function opaque predicate obfuscation algorithm, using
multi-function features makes opaque predicates interdependent and avoid reversible slicing attacks. Experimental data demonstrates
that the obfuscated program performance and security has been significantly improved. |
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