发明名称 |
Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client |
摘要 |
Theft of decompressed digital content as the content is being rendered is prevented. A requested slow-down of the rendering of the content is detected. Transfers of relatively large amounts of data are detected. A re-compressor-based requested slow-down of the rendering of the content is detected. A re-compressor re-compressing the content is detected. In each situation, the detected activity is presumably initiated by a content thief attempting to steal the content. In each situation, the detected activity is responded to in a manner designed to frustrate the presumed attempt of the content thief to steal the content.
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申请公布号 |
US2005244008(A1) |
申请公布日期 |
2005.11.03 |
申请号 |
US20050176661 |
申请日期 |
2005.07.07 |
申请人 |
MICROSOFT CORPORATION |
发明人 |
ENGLAND PAUL;PEINADO MARCUS;SANKARANARAYAN MUKUND |
分类号 |
G06F21/00;(IPC1-7):G06F17/60;H04K1/00;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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