发明名称 Location- and time-stamping device, particularly for digital documents
摘要 The invention relates to a location- and time-stamping device (10), in particular of digital documents, comprising an internal clock (11), a location and local time certification unit and a secure cryptographic machine (13), all connected to a data processor (15); the invention further relates to a process for location- and time-stamping making use of said device (10).
申请公布号 EP2083531(A2) 申请公布日期 2009.07.29
申请号 EP20090425005 申请日期 2009.01.14
申请人 DE LUCA, STEFANO;TRIFILETTI, ALESSANDRO 发明人 TRIFILETTI, ALESSANDRO
分类号 H04L9/32 主分类号 H04L9/32
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