US 12,169,572 B2
Method and apparatus for managing LWE instance
Joohee Lee, Seoul (KR); Eunkyung Kim, Seoul (KR); and Kyu Young Choi, Seoul (KR)
Assigned to SAMSUNG SDS CO., LTD., Seoul (KR)
Filed by SAMSUNG SDS CO., LTD., Seoul (KR)
Filed on Oct. 25, 2022, as Appl. No. 17/973,013.
Claims priority of application No. 10-2021-0144640 (KR), filed on Oct. 27, 2021.
Prior Publication US 2023/0130882 A1, Apr. 27, 2023
Int. Cl. G06F 21/00 (2013.01); G06F 21/60 (2013.01)
CPC G06F 21/602 (2013.01) 19 Claims
OG exemplary drawing
 
1. A method of managing a learning with errors (LWE) instance, the method performed by a computing device comprising at least one processor and a computer-readable storage medium storing one or more programs executed by the at least one processor, the method comprising:
obtaining, from one or more user devices among a plurality of user devices, one or more learning with errors (LWE) instances and one or more extended LWE instances each including a reuse tag associated with each of the one or more LWE instances;
storing the one or more extended LWE instances;
receiving, from a first device among the plurality of user devices, a request for an LWE instance produced by a second device among the plurality of user devices;
identifying, based on the reuse tag, a target extended LWE instance including the LWE instance produced by the second device among the one or more extended LWE instances; and
providing the LWE instance included in the target extended LWE instance to the first device.