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公开(公告)号：US20220255722A1
公开(公告)日：2022-08-11
申请号：US17616349
申请日：2020-06-05
Applicant: Crypto Lab Inc. , Seoul National University R&DB Foundation
Inventor： Jung Hee Cheon , Seungwan Hong
Abstract: Disclosed is a calculation device. The present calculation device includes: a memory for storing a plurality of homomorphic ciphertexts for an approximate message including an error; and a processor for sorting the plurality of homomorphic ciphertexts by using a 5-way sorter which can sort five homomorphic ciphertexts in a single stage.
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公开(公告)号：US20250038949A1
公开(公告)日：2025-01-30
申请号：US18915995
申请日：2024-10-15
Applicant: Crypto Lab Inc. , Seoul National University R&DB Foundation
Inventor： Jung Hee Cheon , Seungwan Hong
Abstract: A method for processing homomorphic ciphertexts includes: receiving an input of an instruction for sorting regarding a plurality of homomorphic ciphertexts; sorting the plurality of homomorphic ciphertexts by using a sorter which can sort 3 more homomorphic ciphertexts in a single stage; and outputting the sorting result. The sorter performs sorting by using a comparison function that selectively outputs a bigger value or a smaller value between two input values.
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公开(公告)号：US12149604B2
公开(公告)日：2024-11-19
申请号：US17616349
申请日：2020-06-05
Applicant: Crypto Lab Inc. , Seoul National University R&DB Foundation
Inventor： Jung Hee Cheon , Seungwan Hong
Abstract: Disclosed is a calculation device. The present calculation device includes: a memory for storing a plurality of homomorphic ciphertexts for an approximate message including an error; and a processor for sorting the plurality of homomorphic ciphertexts by using a 5-way sorter which can sort five homomorphic ciphertexts in a single stage.
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