发明授权
- 专利标题： Program distribution method and system
- 专利标题（中）： 方案分配方式和制度
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申请号： US10919338申请日： 2004-08-17
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公开(公告)号： US07552092B2公开(公告)日： 2009-06-23
- 发明人: Yuji Sato , Tomoaki Itoh , Takao Yamaguchi
- 申请人： Yuji Sato , Tomoaki Itoh , Takao Yamaguchi
- 申请人地址： JP Osaka
- 专利权人： Panasonic Corporation
- 当前专利权人： Panasonic Corporation
- 当前专利权人地址： JP Osaka
- 代理机构： Greenblum & Bernstein, P.L.C.
- 优先权： JP2003-305397 20030828; JP2004-199677 20040706
- 主分类号： G06Q99/00
- IPC分类号： G06Q99/00
摘要：
In the present invention, a program is provided with a dummy module into which a watermark can be inserted without any effect on the operation of the program, and an digital signature. It is thereby possible for a distributor to insert a watermark for specifying a user to the dummy module, and to prevent unauthorized leakage of the program by the distributor. Further, by providing the program body with an digital signature, it is possible to prevent tampering of the program by the distributor.
公开/授权文献
- US20050049970A1 Program creation apparatus 公开/授权日：2005-03-03
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