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31.
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公开(公告)号:EP3232603B1
公开(公告)日:2023-05-31
申请号:EP16737330.7
申请日:2016-01-12
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公开(公告)号:EP4183105A1
公开(公告)日:2023-05-24
申请号:EP21786151.7
申请日:2021-09-28
申请人: nChain Licensing AG
发明人: PETTIT, Michaella
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公开(公告)号:EP4152683A1
公开(公告)日:2023-03-22
申请号:EP22192030.9
申请日:2019-03-26
申请人: nChain Licensing AG
摘要: A method of transferring access to a digital asset is disclosed. The method comprises receiving a first blockchain transaction (4) from a first participant (6) by each of a plurality of second participants (8), (10). The first participant (6) has a first private key of a first private-public key pair of a cryptography system, and each participant (6), (8), (10) has a respective first share of a second private key of a second private-public key pair of the cryptography system, and the first blockchain transaction is signed with the first private key. Signature of the first blockchain transaction with the first private key is verified by each second participant (8), (10). A respective first share is applied to the first blockchain transaction to generate a respective second share of a second blockchain transaction signed with the second private key. Signature with the second private key is possible by means of a first threshold number of second shares and is inaccessible to less than the first threshold number of second shares. The first threshold number of second shares is combined from the first participant (6) and a plurality of the second participants (8), (10) generate the signature.
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公开(公告)号:EP4152681A1
公开(公告)日:2023-03-22
申请号:EP22188584.1
申请日:2022-08-03
申请人: INTEL Corporation
摘要: An apparatus comprises an input register comprising an input polynomial, a processing datapath communicatively coupled to the input register comprising a plurality of compute nodes to perform a number theoretic transform (NTT) algorithm on the input polynomial to generate an output polynomial in NTT format. The plurality of compute nodes comprises at least a first butterfly circuit to perform a series of butterfly calculations on input data and a randomizing circuitry to randomize an order of the series of butterfly calculations.
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38.
公开(公告)号:EP4149047A1
公开(公告)日:2023-03-15
申请号:EP22189146.8
申请日:2022-08-05
发明人: LIM, Meng Liang
摘要: Embodiments of the invention relate to symmetric encryption that converts plain text to Diophantine equations, i.e. cipher text, and creates a symmetric key which is held by a sender (or encryption apparatus) and a recipient (or decryption apparatus). The key is used by the decryption apparatus to decrypt the Diophantine equations, and convert them to original plain text. Particularly, undecidable encryption and artificial intelligence (Al) are employed in combination. More particularly, the AI would exclude any class of Diophantine equations which has been solved or deciphered without key, or known to be solvable. In the event certain classes of Diophantine equations are solved in the future, the Al will exclude the use of these solved or solvable classes of Diophantine equation in encryption.
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公开(公告)号:EP3157215B1
公开(公告)日:2023-02-22
申请号:EP15805815.6
申请日:2015-03-24
发明人: TOBA, Kazuaki , ICHIMURA, Gen
IPC分类号: H04L25/02 , H04N21/4363 , H04L9/30
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公开(公告)号:EP4111639A1
公开(公告)日:2023-01-04
申请号:EP21761224.1
申请日:2021-02-08
申请人: tZERO IP, LLC
发明人: ORNELAS, Michael D , EMPEY, Jesse , WELKER, Brad
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