Method and device for comparing movement paths based on homomorphic encryption

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United States of America Patent

PATENT NO 11750365
SERIAL NO

17341824

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Abstract

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A method and device for comparing movement paths based on homomorphic encrypted is disclosed, where a server includes a processor configured to collect first encrypted movement path information of a comparison target encrypted by a common key, receive, from a user device, second encrypted movement path information of a user of the user device encrypted by a private key, compare the first encrypted movement path information and the second encrypted movement path information, decrypt a portion of a result of the comparison by the common key to generate a partially decrypted comparison result, and provide the partially decrypted result of the comparison to the user.

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Patent Owner(s)

  • SAMSUNG ELECTRONICS CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eom, Jieun Hwaseong-si, KR 7 2
Kwon, Sunmin Seoul, KR 11 37
Yoo, Dong-Hoon Suwon-si, KR 66 410

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