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1. 发明公开

EP2306737A2 Signature generating device and method, signature verifying device and method, and computer product 有权转让
标题翻译：装置和方法，用于产生一个签名的装置和方法，用于核实签名和计算机产品
公开(公告)号：EP2306737A2
公开(公告)日：2011-04-06
申请号：EP10181083.6
申请日：2010-09-28
申请人： FUJITSU LIMITED , Fujitsu Advanced Engineering Limited
发明人： Yoshioka, Takashi , Takenaka, Masahiko , Matsuo Fumitsugu , Chiba, Fumiaki
IPC分类号： H04N9/82 , H04N21/835
CPC分类号： G01N21/93 , G01N21/9501 , G01N2021/8861 , H04L9/3247 , H04N5/77
摘要： A signature generating device (703) includes a receiving unit (701) configured to receive a sequence of data; a summary data generating unit (702) configured to sequentially generate summary data of the data upon reception of each of the data by the receiving unit (701); an obtaining unit (703) configured to sequentially obtain, when the number of data included in a sequence of the summary data generated by the summary data generating unit (702) reaches a given number, the sequence of the summary data as a block; a setting unit (704) configured to set, as a signature subject, a current block constituted by the sequence of the summary data, and the summary data selected from at least one block contiguous to the current block; a digital signature generating unit (705) configured to generate a digital signature concerning data summarized for the current block; and a sending unit (706) configured to send the generated digital signature, the signature subject associated with the digital signature, and the data summarized for the current block.
摘要翻译：签名生成装置（703）包括配置成接收数据序列的接收单元（701）; 配置为顺序的摘要数据生成单元（702）在每个由所述接收单元（701）的数据的接收产生的数据的摘要数据; 到获取配置为顺序地单元（703）获得，当包括在由所述摘要数据生成单元生成的摘要数据的一个序列数据的数量（702）达到给定的数，汇总的数据作为一个块的序列; 被配置为设置，作为签名对象，当前块由摘要数据的序列构成的，并且从至少一个块相邻的选择与当前块的汇总数据设置单元（704）; 被配置为生成数字签名关于总结用于当前块数据的数字签名生成单元（705）; 和发送单元（706）配置为发送所生成的数字签名，与所述数字签名相关联的签名对象，并总结用于当前块中的数据。

2. 发明公开

EP2306737A3 Signature generating device and method, signature verifying device and method, and computer product 有权转让
标题翻译：装置和方法，用于产生一个签名的装置和方法，用于核实签名和计算机产品
公开(公告)号：EP2306737A3
公开(公告)日：2013-12-11
申请号：EP10181083.6
申请日：2010-09-28
申请人： FUJITSU LIMITED , Fujitsu Advanced Engineering Limited
发明人： Yoshioka, Takashi , Takenaka, Masahiko , Matsuo Fumitsugu , Chiba, Fumiaki
IPC分类号： H04N9/82 , H04N21/835
CPC分类号： G01N21/93 , G01N21/9501 , G01N2021/8861 , H04L9/3247 , H04N5/77
摘要： A signature generating device (703) includes a receiving unit (701) configured to receive a sequence of data; a summary data generating unit (702) configured to sequentially generate summary data of the data upon reception of each of the data by the receiving unit (701); an obtaining unit (703) configured to sequentially obtain, when the number of data included in a sequence of the summary data generated by the summary data generating unit (702) reaches a given number, the sequence of the summary data as a block; a setting unit (704) configured to set, as a signature subject, a current block constituted by the sequence of the summary data, and the summary data selected from at least one block contiguous to the current block; a digital signature generating unit (705) configured to generate a digital signature concerning data summarized for the current block; and a sending unit (706) configured to send the generated digital signature, the signature subject associated with the digital signature, and the data summarized for the current block.

3. 发明授权

EP2306737B1 Signature generating device and method, signature verifying device and method, and computer product 有权转让
公开(公告)号：EP2306737B1
公开(公告)日：2019-10-02
申请号：EP10181083.6
申请日：2010-09-28
申请人： FUJITSU LIMITED , Fujitsu Advanced Engineering Limited
发明人： Yoshioka, Takashi , Takenaka, Masahiko , Matsuo, Fumitsugu , Chiba, Fumiaki
IPC分类号： H04N9/82 , H04N21/835

4. 发明公开

EP2779526A1 Electronic signature device and electronic signature method 审中-公开
标题翻译： Elektronische Signaturvorrichtung und elektronisches Signaturverfahren
公开(公告)号：EP2779526A1
公开(公告)日：2014-09-17
申请号：EP14167711.2
申请日：2010-02-23
申请人： FUJITSU LIMITED , Fujitsu Advanced Engineering Limited
发明人： Matsuo, Fumitsugu , Harano, Yousuke , Takenaka, Masahiko , Yoshioka, Takashi , Chiba, Fumiaki
IPC分类号： H04L9/32 , H04L9/10 , H04N5/91 , H04N5/92 , G06F21/64 , H04L29/06 , H04N5/765 , H04N9/79 , H04N5/913 , H04N5/781 , G06F21/72 , H04N5/77 , H04N5/907 , H04N7/18
CPC分类号： H04N5/913 , G06F21/64 , G06F21/72 , H04L9/3247 , H04L63/123 , H04N5/765 , H04N5/772 , H04N5/781 , H04N5/907 , H04N5/91 , H04N7/18 , H04N9/7921
摘要： An electronic signature device (100), comprising: a processor (102, 131, 702, 703, 704) configured to: detect temporal changes in a data volume of a time series digital data string related to video or sound outside the device, and internally execute, based on a result of detection of the temporal changes, a signature generation process of generating an electronic signature for the digital data string; and an output unit (110, 705) configured to output the digital data string and the generated electronic signature.
摘要翻译：一种电子签名装置（100），包括：处理器（102,131,702,703,704），被配置为：检测与所述设备外部的视频或声音相关的时间序列数字数据串的数据量的时间变化，以及基于时间变化的检测结果内部执行生成用于数字数据串的电子签名的签名生成处理; 以及被配置为输出数字数据串和所生成的电子签名的输出单元（110,705）。

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