公开(公告)号：US20240184928A1

公开(公告)日：2024-06-06

申请号：US18511928

申请日：2023-11-16

Applicant: SAMSUNG SDS CO., LTD.

Inventor： Eunkyung KIM ,  Jihoon CHO

IPC: G06F21/64 ,  G06F21/33 ,  G06F21/53

CPC classification number: G06F21/64 ,  G06F21/33 ,  G06F21/53

Abstract: Disclosed is a marketplace security method performed by a cloud service provider (CSP), and the method includes an operation of downloading a virtual machine (VM) image selected by a cloud service customer from the marketplace into a cloud space of the corresponding cloud service customer, an operation of obtaining an electronic signature associated with the downloaded VM image in response to an operation request from the cloud service customer, an operation of verifying the obtained electronic signature, and an operation of determining, based on a verification result, whether to operate a VM instance corresponding to the downloaded VM image.

公开(公告)号：US20240187220A1

公开(公告)日：2024-06-06

申请号：US18522497

申请日：2023-11-29

Applicant: SAMSUNG SDS Co., Ltd.

Inventor： Eunkyung KIM ,  Jihoon CHO

IPC: H04L9/08 ,  H04L9/40 ,  H04L67/1001 ,  H04L67/61

CPC classification number: H04L9/0852 ,  H04L63/166 ,  H04L67/10015 ,  H04L67/61

Abstract: The present disclosure relates to a POC-based MQTT communication method, device, system, and computer program, and more particularly, to a POC-based communication method, device, system, and computer program enabling POC-based communication between MOTT brokers. The present disclosure provides a POC-based MQTT communication method performed by one or more processors in a first MQTT broker, the method including: collecting a message from one or more MQTT clients; performing POC-based encryption on the collected message by using a POC processing module; and transmitting the encrypted message to a second MQTT broker.

公开(公告)号：US20230130882A1

公开(公告)日：2023-04-27

申请号：US17973013

申请日：2022-10-25

Applicant: SAMSUNG SDS CO., LTD.

Inventor： Joohee LEE ,  Eunkyung KIM ,  Kyu Young CHOI

IPC: G06F21/60

Abstract: A learning with errors (LWE) instance management method according to an embodiment may include 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 including reuse tags associated with the 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, and identifying, based on a reuse tag included in each of the one or more extended LWE instances, a target extended LWE instance including an 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.