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公开(公告)号：US11600129B2
公开(公告)日：2023-03-07
申请号：US17203024
申请日：2021-03-16
申请人： IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) , Kookmin University Industry Academy Cooperation Foundation
摘要： Disclosed are an electronic voting system based on homogeneous cryptography and a method thereof. An electronic voting method includes the steps of: (a) generating a serial number sn by using election identification information eid and a his/her secret key, wherein the election identification information eid is shared through a block chain; (b) encrypting a voting message M through verifiable homogeneous cryptography to generate a ciphertext CT, and generating a zero-knowledge proof key π for the voting message; and (c) transmitting an electronic ballot including the serial number sn, the ciphertext CT, and the zero-knowledge proof key π to a block chain network as a transaction.
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公开(公告)号：US11886785B2
公开(公告)日：2024-01-30
申请号：US17323351
申请日：2021-05-18
申请人： IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) , Kookmin University Industry Academy Cooperation Foundation
发明人： Hyunok Oh , Hankyung Ko , Jihye Kim , Seunghwa Lee
摘要： Disclosed are a method for verifying a convolutional neural network model and a device thereof. The method for verifying the convolutional neural network model includes (a) generating a polynomial circuit equation for a first configuration of a plurality of configurations configuring the convolutional neural network model; (b) generating a first commitment value and a first proof value by applying a zero-knowledge proof scheme based on the polynomial circuit equation; (c) generating an arithmetic circuit equation for a second configuration of the plurality of configurations; (d) generating a second commitment value and a second proof value by applying a zero-knowledge proof scheme based on the arithmetic circuit equation; and (e) generating a connection proof value connecting the first commitment value and the second commitment value.
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3.发明授权公开(公告)号：US11438138B2
公开(公告)日：2022-09-06
申请号：US17185274
申请日：2021-02-25
申请人： IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) , Kookmin University Industry Academy Cooperation Foundation
摘要： Disclosed are homomorphic encryption method and apparatus specialized for zero-knowledge proof. The homomorphic encryption method specialized for zero-knowledge proof includes (a) dividing a message M into n message blocks; (b) generating a ciphertext CT by encrypting the n message blocks, wherein the ciphertext CT includes each encryption block for each of the n message blocks, and each encryption block includes the message block in the form Gimi of an exponentiation of a generator G; and (c) generating a zero-knowledge proof key π for the n message blocks by applying the n message blocks as inputs to a preset zero-knowledge proof algorithm.
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