发明名称 |
Method for processing audiovisual information in an electronic device, a system, and an electronic device |
摘要 |
The invention relates to a method for processing audiovisual information in an electronic device comprising at least one control block for controlling the operation of the electronic device, and a memory. The audiovisual information is encrypted. The control block is provided with a protected processing block, and part of the memory is available in said protected processing block only. The audiovisual information is decrypted in said protected processing block and transmitted from the protected processing block to means for presenting audiovisual information.
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申请公布号 |
US2003005322(A1) |
申请公布日期 |
2003.01.02 |
申请号 |
US20020187211 |
申请日期 |
2002.06.27 |
申请人 |
NOKIA CORPORATION |
发明人 |
KIIVERI ANTTI |
分类号 |
G06F21/00;(IPC1-7):G06F12/14 |
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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