DATA PROCESSING METHODS AND ELECTRONIC DEVICE
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Aug 16, 2023
filing date -
Aug 16, 2023
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Abstract
Data processing methods and electronic device are provided in the present disclosure. A method comprises: obtaining, by a first party, first double-encrypted identification information and a first feature share, a second feature share of first feature information in a first dataset and second double-encrypted identification information and a third feature share of second feature information in a second dataset; determining a first intersection of the first and second datasets by matching the first double-encrypted identification information with the second double-encrypted identification information; performing, using the first feature share, a first round of secure permutation with the second party, to obtain a first target feature share of the first feature information; performing, using the third feature share, a second round of secure permutation with the second party, to obtain a first target feature share of the second feature information; updating the first intersection and performing MPC with the second party.
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