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Patent Agency Ranking
公开(公告)号：US11862647B2
公开(公告)日：2024-01-02
申请号：US17114711
申请日：2020-12-08
Inventor： Sanghyeon Kim , Seong Kwang Kim
CPC classification number: H01L27/1259 , G06N3/063 , H01L27/124 , H01L27/1237 , G06N3/08 , H01L27/1225
Abstract: Various embodiments relate to a stackable 3D artificial neural network device and a manufacturing method thereof. According to various embodiments, a device is manufactured to include a substrate, a neuron block placed on some areas on one side of the substrate, a synapse block placed on the rest of the areas on one side of the substrate, and the neuron block and the synapse block may include at least one first channel element arranged on one side of the substrate and at least one second channel element stacked on the first channel element.
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公开(公告)号：US20220368518A1
公开(公告)日：2022-11-17
申请号：US17514135
申请日：2021-10-29
Inventor： Joo Hee Lee , Duk Jae Moon , Hyo Jin Yoon , Ji Hoon Cho , Seong Kwang Kim , Joo Young Lee , Jin Cheol Ha
Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.
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公开(公告)号：US11979488B2
公开(公告)日：2024-05-07
申请号：US17514135
申请日：2021-10-29
Inventor： Joo Hee Lee , Duk Jae Moon , Hyo Jin Yoon , Ji Hoon Cho , Seong Kwang Kim , Joo Young Lee , Jin Cheol Ha
CPC classification number: H04L9/0819 , G06F7/50 , G06F7/722 , G06F17/16 , H04L9/0631 , H04L9/0637 , H04L9/0662 , H04L9/0861 , H04L9/14 , H04L2209/24
Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.
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公开(公告)号：US11558171B2
公开(公告)日：2023-01-17
申请号：US17081862
申请日：2020-10-27
Inventor： Joo Hee Lee , Duk Jae Moon , Hyo Jin Yoon , Ji Hoon Cho , Eun Kyung Kim , Seong Kwang Kim , Joo Young Lee , Jin Cheol Ha , Won Seok Choi
IPC: H04L9/00
Abstract: A method for encryption according to an embodiment includes generating a ciphertext for a secret key that is an integer vector by using an integer-based first homomorphic encryption algorithm, generating a key stream that is the integer vector from a nonce and the secret key by using a key stream generator, encoding the key stream by using a message encoding function of the first homomorphic encryption algorithm, encoding a message that is a real vector by using a message encoding function of a real number-based second homomorphic encryption algorithm, generating a ciphertext for the message by using a result of the encoding of the key stream and a result of the encoding of the message, and transmitting the nonce, the ciphertext for the secret key, and the ciphertext for the message to an apparatus for converting a ciphertext.
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公开(公告)号：US20210175262A1
公开(公告)日：2021-06-10
申请号：US17114711
申请日：2020-12-08
Inventor： Sanghyeon Kim , Seong Kwang Kim
Abstract: Various embodiments relate to a stackable 3D artificial neural network device and a manufacturing method thereof. According to various embodiments, a device is manufactured to include a substrate, a neuron block placed on some areas on one side of the substrate, a synapse block placed on the rest of the areas on one side of the substrate, and the neuron block and the synapse block may include at least one first channel element arranged on one side of the substrate and at least one second channel element stacked on the first channel element.
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