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Homomorphic data decryption method and apparatus for implementing privacy protection

專利號(hào)
US11159305B2
公開日期
2021-10-26
申請(qǐng)人
Advanced New Technologies Co., Ltd.(KY Grand Cayman)
發(fā)明人
Shuai Han; Zhangjie Huang; Huanyu Ma; Hao Lei
IPC分類
H04L29/06; H04L9/00; H04L9/30; H04L9/06
技術(shù)領(lǐng)域
ciphertext,mod,hn,blockchain,n2,qrn,user,group,encryption,key
地域: George Town

摘要

A computer-implemented method, non-transitory, computer-readable medium, and computer-implemented system are provided for implementing privacy protection. In an implementation, a public key pk={N, h} corresponding to a target user is obtained, where h is a generator of a predetermined cyclic group with a size of k in a random number space Z*N, a length of k is i bits, a length of N is n bits, and i<

說明書

Example implementations are described in detail here, and examples of the example implementations are presented in the accompanying drawings. When the following description relates to the accompanying drawings, unless specified otherwise, same numbers in different accompanying drawings represent the same or similar elements. Implementations described in the following example implementations do not represent all implementations consistent with the one or more implementations of the present specification. On the contrary, the implementations are only examples of apparatuses and methods that are described in the appended claims in detail and consistent with some aspects of the one or more implementations of the present specification.

It is worthwhile to note that in other implementations, steps of a corresponding method are not necessarily performed in a sequence shown and described in the present specification. In some other implementations, the method can include more or fewer steps than those described in the present specification. In addition, a single step described in the present specification can be divided into a plurality of steps for description in other implementations, and a plurality of steps described in the present specification can be combined into a single step for description in other implementations.

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