Method for securely detecting hidden text information based on homomorphic encryption system
A homomorphic encryption, text information technology, applied in the field of information security, can solve the problems of no private data leakage, lack of trust or emphasis on privacy protection
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[0039] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.
[0040] Implementation of text information hiding safety detection in the embodiment
[0041] The security detection method for text information hiding in this embodiment utilizes a security transformation process based on a homomorphic encryption system [Pascal Paillier, "Public-Key Cryptosystems Based on Composite Degree Residuosity Classes", EUROCRYPT'99] to perform an equivalent transformation on the sample variance , so that the detection service provider Alice and the service user Bob share the variance of ...
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