To address potential security risks such as information leakage,identity exposure,and query content leakage in multi-party data queries,this paper proposes an anonymous query method that protects the privacy of multiple parties.A bidirectional pri-vacy protection method based on anonymous queries is proposed by combining multiple encryption methods such as ElGamal homo-morphic encryption technology,unintentional transmission protocol,and one-time session key.This method introduces proxy nodes to perform all query operations,effectively hiding the original data and query behavior of the querying and queried parties,and sup-porting multiple institutions to perform joint queries while protecting their respective data privacy.Through testing and verification,the method can provide efficient query performance and accurate query results,effectively ensuring the data security of all parties involved.
关键词
多方数据/匿名查询/同态加密/不经意传输/数据安全
Key words
multi-party data/anonymous query protocol/homomorphic encryption/oblivious transfer protocol/data security
维普
万方数据