发明授权
US07984302B2 Electronic document management apparatus, electronic document management method, and computer program 失效
电子文件管理装置,电子文件管理方法和计算机程序

  • 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
  • 申请号: US11742920
    申请日: 2007-05-01
  • 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
Electronic document management apparatus, electronic document management method, and computer program
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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