发明名称 |
Program electronic watermark processing apparatus |
摘要 |
In the present invention, a software watermarking is input to add to an updated program, while a differential program is input to update an original program, the original program is updated using the input differential program, and the input software watermarking is inserted into the updated program, whereby it is possible to prevent the software watermarking from being deleted even when the program is updated.
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申请公布号 |
US2004202324(A1) |
申请公布日期 |
2004.10.14 |
申请号 |
US20040813091 |
申请日期 |
2004.03.31 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
YAMAGUCHI TAKAO;ITOH TOMOAKI;SATO YUJI |
分类号 |
G06F21/00;(IPC1-7):H04L9/00 |
主分类号 |
G06F21/00 |
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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