ELECTRONIC DEVICE FOR SEARCHING ENCRYPTED DATA AND METHODS THEREOF
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Jan 26, 2024
filing date -
Jan 26, 2024
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Abstract
Disclosed is an electronic device including: a memory storing a lookup table including identification information and data matched to the identification information; an interface; and a processor configured to search the data matched to the identification information corresponding to search information by generating a position identification vector including the number of elements corresponding to the number of the lookup table, and repeatedly performing an operation of updating the position identification vector based on a comparison calculation result based on the search information and each segmented table part while segmenting the lookup table into a plurality of parts, in case of receiving the search information through the interface. Accordingly, the device may perform effective data search on the table including a homomorphically encrypted message.
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