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公开(公告)号：EP3512158A1
公开(公告)日：2019-07-17
申请号：EP17848656.9
申请日：2017-08-31
申请人： NEC Corporation , National Institute of Information and Communications Technology , National University Corporation Hokkaido University
IPC分类号： H04L9/12 , H04B10/516 , H04B10/70 , H04L9/08
摘要： A quantum key distribution device is provided with an encoding unit which encodes an optical pulse train; an intensity modulating unit which subjects the encoded optical pulse train to N (where N is an integer at least equal to 3) types of intensity modulation having mutually different intensities, with different timings; and a first key distillation processing unit which generates an encryption key on the basis of a data sequence obtained by removing data obtained from an optical pulse having a specific modulation pattern from a data sequence used by the encoding unit and the intensity modulating unit.
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公开(公告)号：EP4375864A1
公开(公告)日：2024-05-29
申请号：EP22845770.1
申请日：2022-06-30
摘要： Provided is a personal information protection management system for genome data whereby leakage of confidential information can be prevented. A personal information protection management system (2) for genome data comprises: a data storage unit (20) in which genome data is stored; a roll storage unit (31) in which a roll and an ID of a data output destination are associated and stored, the roll being content of filtering for removing, from the genome data, a part that cannot be output; a filter unit (35) that filters the stored genome data on the basis of the stored roll; and a data output unit (36) that outputs the filtered genome data to the data output destination. The filter unit (35) acquires a data request signal transmitted from the data output destination and filters the genome data on the basis of the roll associated with the ID included in the acquired data request signal.
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3.发明公开
公开(公告)号：EP4319040A1
公开(公告)日：2024-02-07
申请号：EP22774766.4
申请日：2022-02-15
摘要： An encryption key generating device (2) includes a shared key separator (23) separating a shared key (K0) into a first key (K1) and a second key (K2) and storing the first key (K1) in a non-volatile memory (20) and storing the second key (K2) in a volatile memory (21); a key extender (24) extending the second key (K2) to the same key length as that of the first key (K1) and storing the second key (K2) extended as a third key (K3) in the volatile memory (21); a key calculator (25) calculating an encryption key (K4) by an exclusive-OR of the first key (K1) and the third key (K3) and storing it in the volatile memory (21).
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