A cloud-assisted dynamic general secure multi-party computing method based on homomorphism
A secure multi-party computing and dynamic technology, applied in the field of cloud computing, can solve problems such as poor dynamics and low efficiency
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[0067] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0068] Such as figure 1 As shown, the homomorphism-based cloud-assisted dynamic general secure multi-party computing method includes the following steps:
[0069] S1. Generate the public key, private key and calculation key of the participant;
[0070] S2. Obtain the corresponding ciphertext after encrypting the data message of the participant;
[0071] S3. Generate blinding parameters and blinding keys of the participati...
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