发明授权
- 专利标题: Electronic document management apparatus, electronic document management method, and computer program
- 专利标题(中): 电子文件管理装置,电子文件管理方法和计算机程序
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申请号: US11742920申请日: 2007-05-01
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公开(公告)号: US07984302B2公开(公告)日: 2011-07-19
- 发明人: Yusuke Fukasawa
- 申请人: Yusuke Fukasawa
- 申请人地址: JP Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JP Tokyo
- 代理机构: Canon USA, Inc. IP Division
- 优先权: JP2006-134320 20060512
- 主分类号: H04L9/00
- IPC分类号: H04L9/00
摘要:
An apparatus includes a digital signature verification data embedding unit and a signing unit. The digital signature verification data embedding unit is configured to embed digital signature verification data for use in verification of a digital signature for an electronic document into the electronic document. The signing unit is configured to sign the electronic document with a digital signature whose validity can be verified using digital signature verification data embedded in the electronic document.
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