发明名称 |
DIGITAL DATA CONTENT AUTHENTICATION SYSTEM, DATA AUTHENTICATION DEVICE, USER TERMINAL, COMPUTER PROGRAM AND METHOD |
摘要 |
<p>A file is created in which digital data and a certificate are integrated and content authentication for the digital data and the certificate are performed simultaneously. A data authentication device (1) is provided with: an original data receiving means which is communicably connected to a user terminal (2) and a timestamp provision device (3), and receives original data to be authenticated from the user terminal (2); an intermediate file creation means which creates an authentication file corresponding to the original data, and attaches the actual original data to the authentication file to create an intermediate file; a timestamp request means which transmits the intermediate file to the timestamp provision device (3); a date/time security information acquisition means which receives from the timestamp provision device (3) date/time security information containing date/time information and a hash value for the intermediate file; an authenticated file creation means which embeds the received date/time security information in the intermediate file and creates an authenticated file; and an authenticated file transmission means which transmits the authenticated file to the user terminal (2).</p> |
申请公布号 |
WO2011096452(A1) |
申请公布日期 |
2011.08.11 |
申请号 |
WO2011JP52181 |
申请日期 |
2011.02.02 |
申请人 |
MEKIKI CREATES CO., LTD.;DEGUCHI HIKARU |
发明人 |
DEGUCHI HIKARU |
分类号 |
H04L9/32;G06Q50/00;G06Q50/26 |
主分类号 |
H04L9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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