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公开(公告)号：US20240078361A1
公开(公告)日：2024-03-07
申请号：US18310656
申请日：2023-05-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Youngmin OH , Doyun KIM , Hyung-Dal KWON , Yongwoo LEE , Bosun HWANG
IPC: G06F30/27 , G06F30/3308
CPC classification number: G06F30/27 , G06F30/3308
Abstract: A method of generating a circuit design parameter meeting a target specification, the method including generating a first probability distribution of a first specification using a first model provided a first parameter where the first model is configured to infer a correlation between the first parameter and the first probability distribution, generating a second parameter using a second model provided the first probability distribution, and updating the first model based on the second parameter. The second model is trained by using a reward, the reward being determined based on a second probability distribution of a second specification corresponding to the second parameter
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公开(公告)号：US20200013595A1
公开(公告)日：2020-01-09
申请号：US16259185
申请日：2019-01-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yongwoo LEE , Youngjin NOH , Dowon KIM , Donghyeon NA , Seungbo SHIM
IPC: H01J37/32 , H01L21/67 , H01L21/683
Abstract: An electrostatic chuck includes a chuck base having a first hole, an upper plate provided on the chuck base, the upper plate having a second hole aligned with the first hole, and an adhesive layer attaching the upper plate to the chuck base, the adhesive layer having a thickness that is less than a diameter of the first hole and equal to a diameter of the second hole.
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公开(公告)号：US20230171085A1
公开(公告)日：2023-06-01
申请号：US17994294
申请日：2022-11-26
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongwoo LEE , Andrey KIM , Maksim DERIABIN , Jieun EOM , Dong-Hoon YOO , Rakyong CHOI
CPC classification number: H04L9/008 , H04L9/0618
Abstract: A homomorphic encryption apparatus and method are disclosed. The homomorphic encryption apparatus includes one or more processors, and memory storing instructions configured to, when executed by the one or more processors, cause the one or more processors to receive a blind rotation key for performing a blind rotation operation and receive an operand ciphertext of the blind rotation operation, generate a first ciphertext by performing addition of a polynomial representation based on the blind rotation key and the operand ciphertext, and generate a target ciphertext by performing key switching and accumulative multiplication based on the first ciphertext.
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公开(公告)号：US20220376890A1
公开(公告)日：2022-11-24
申请号：US17678596
申请日：2022-02-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jieun EOM , Andrey KIM , Deriabin MAKSIM , Rakyong CHOI , Whan GHANG , Dong-Hoon YOO , Yongwoo LEE
Abstract: Disclosed is a method and apparatus for modulus refresh, where the method for modulus refresh of a ciphertext in homomorphic encryption includes receiving a first ciphertext corresponding to a first modulus, generating a second ciphertext by performing a blind rotation on the first ciphertext, and generating a target ciphertext corresponding to a second modulus greater than the first modulus based on the first ciphertext and the second ciphertext.
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公开(公告)号：US20240129106A1
公开(公告)日：2024-04-18
申请号：US18316062
申请日：2023-05-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Andrey KIM , Yongwoo LEE , Maksim DERIABIN , Jieun EOM , Rakyong CHOI
CPC classification number: H04L9/008 , H04L9/0618
Abstract: An apparatus with a homomorphic encryption operation includes: one or more processors configured to: generate a modified vector by preprocessing vector components of an operand ciphertext of a blind rotation operation based on an order of a polynomial of an output ciphertext of the blind rotation operation and a modulus of the operand ciphertext; and generate a homomorphic encryption operation result by performing the blind rotation operation based on a public key for performing the blind rotation operation and the modified vector.
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Patent Agency Ranking
公开(公告)号：US20240106632A1
公开(公告)日：2024-03-28
申请号：US18521187
申请日：2023-11-28
Applicant: Samsung Electronics Co., Ltd. , Seoul National University R&DB Foundation , Industry Academic Cooperation Foundation, Chosun University
Inventor： Jong-Seon NO , Yongwoo LEE , Young-Sik KIM
CPC classification number: H04L9/0825 , G06F7/523 , G06F7/766 , G06F17/16 , H04L9/008 , H04L9/0618
Abstract: A processor-implemented method with homomorphic encryption includes: receiving a first ciphertext corresponding to a first modulus; generating a second ciphertext corresponding to a second modulus by performing modulus raising on the first ciphertext; and performing bootstrapping by encoding the second ciphertext using a commutative property and an associative property of operations included in a rotation operation.
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公开(公告)号：US20230327849A1
公开(公告)日：2023-10-12
申请号：US18070846
申请日：2022-11-29
Inventor： Ahmet Can MERT , Sujoy SINHA ROY , Aikata , Sunmin KWON , Yongwoo LEE
CPC classification number: H04L9/008 , H04L9/0618
Abstract: An apparatus and method with homomorphic encryption are included. An apparatus includes a processor configured to, and/or coupled with a memory storing instructions to configure the processor to: generate, from a ciphertext corresponding to a polynomial having a first degree for performing a homomorphic encryption operation, split polynomials having a second degree by factorizing the polynomial, wherein the split polynomials have a second degree that is less than the first degree, generate partial operation results by performing an element-wise operation using the split polynomials, and generate a homomorphic encryption operation result corresponding to the ciphertext by joining the partial operation results.
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公开(公告)号：US20200161157A1
公开(公告)日：2020-05-21
申请号：US16456757
申请日：2019-06-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yongwoo LEE , Youngjin NOH , Myungsun CHOI , Minyoung HUR , Seungbo SHIM , Jaehak LEE
IPC: H01L21/683 , H01L21/3065 , H01J37/32
Abstract: Electrostatic chucks, plasma processing apparatuses, and methods of fabricating semiconductor devices using the same are provided. The electrostatic chuck includes a chuck base, an upper plate provided on the chuck base, and an inner plate provided between the chuck base and the upper plate. A first diameter of the inner plate is less than a second diameter of the upper plate.
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公开(公告)号：US20240348421A1
公开(公告)日：2024-10-17
申请号：US18396380
申请日：2023-12-26
Inventor： Anisha MUKHERJEE , Aikata AIKATA , Ahmet Can MERT , Yongwoo LEE , Sunmin KWON , Maksim DERIABIN , Sujoy SINHA ROY
CPC classification number: H04L9/008 , G06F9/4881 , H04L9/0618
Abstract: An apparatus includes: one or more memories configured to store an operation key comprising a re-linearization key and ciphertext comprising a plurality of modules; a controller configured to schedule a homomorphic encryption operation based on the ciphertext, based on at least one of the plurality of modules and a modulus of the ciphertext; and a plurality of operation devices configured to parallelly process respective parts of the homomorphic encryption operation according to a result of the scheduling.
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公开(公告)号：US20240313944A1
公开(公告)日：2024-09-19
申请号：US18524573
申请日：2023-11-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Rakyong CHOI , Andrey KIM , Yongwoo LEE , Maksim DERIABIN , Jieun EOM
CPC classification number: H04L9/008 , H04L9/3093
Abstract: An apparatus and method with homomorphic encryption are provided. A method for performing a homomorphic encryption operation may include generating a second ciphertext, having a second total number of dimensions, by performing a key switching operation using a key-switching key to generate the second ciphertext, encrypted by a second secret key, based on a homomorphic encrypted first ciphertext on a first modulus encrypted by a first secret key, where the first ciphertext has a first total number of dimensions, and generating a ciphertext on a second modulus by performing a blind rotation operation based on the second ciphertext and an operation key.
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