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公开(公告)号:US20250086772A1
公开(公告)日:2025-03-13
申请号:US18956822
申请日:2024-11-22
Applicant: Samsung Electronics Co., Ltd.
Inventor: Moongyu JUNG , Wooyong LEE , Jinha HWANG
Abstract: An electronic device includes at least one memory, a camera, and at least one processor, wherein the at least one processor is configured to: obtain raw image for an external object from the camera in a secure environment and store the obtained raw image in the at least one memory, to obtain first image from the raw image through first image processing and second image processing on the stored raw image in the secure environment, based on obtaining of a verification request from a normal environment: to obtain, in the secure environment, second image obtained from the raw image through the second image processing for the stored raw image in the normal environment, to obtain third image from the second image through the first image processing for the obtained second image in the secure environment, and to identify integrity of the second image based on the obtained first image and the obtained third image.
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公开(公告)号:US20230410917A1
公开(公告)日:2023-12-21
申请号:US18100173
申请日:2023-01-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hojun YOON , Jinha HWANG , Seunghoon LEE , Youngchul CHO , Youngdon CHOI , Junghwan CHOI
Abstract: An input/output circuit of a nonvolatile memory device and a nonvolatile memory device. The input/output circuit of a nonvolatile memory device includes a driver, which is configured to output data from the nonvolatile memory device to a data line, and a power gating circuit, which is connected between the driver and a power terminal or between the driver and a ground terminal and configured to block a leakage current of the driver. The power gating circuit includes a plurality of transistors electrically connected in parallel and having threshold voltages of different magnitudes, respectively.
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公开(公告)号:US20240178990A1
公开(公告)日:2024-05-30
申请号:US18520023
申请日:2023-11-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jinha HWANG , Inho KIM , Dongsun LEE , Jaemin RYu , Kyungim JUNG
CPC classification number: H04L9/0637 , G06F21/602 , H04L9/0631
Abstract: An electronic device comprises: a first processor operating in a general non-secure environment; a second processor operating in a secure environment; a first memory allocated to the general non-secure environment; a second memory allocated to the secure environment; and a third memory shared in the general non-secure environment and the secure environment, wherein the second processor is configured to: encrypt at least a portion of secure data to generate an encrypted portion, the secure data generated by a trusted application executed in the secure environment, store the encrypted portion in the third memory, and store first information used to encrypt the at least a portion of the secure data and second information generated while encrypting the at least the portion of the secure data in the second memory, and wherein the first processor is configured to, store the encrypted portion stored in the third memory in the first memory.
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