发明授权
- 专利标题： Opportunistic use of keys during encryption/decryption
- 专利标题（中）： 在加密/解密过程中机会使用密钥
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申请号： US12355260申请日： 2009-01-16
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公开(公告)号： US08401189B2公开(公告)日： 2013-03-19
- 发明人: Raymond C. Hauge , Richard Lewis
- 申请人： Raymond C. Hauge , Richard Lewis
- 申请人地址： US IL Lincolnshire
- 专利权人： Zenith Electronics LLC
- 当前专利权人： Zenith Electronics LLC
- 当前专利权人地址： US IL Lincolnshire
- 主分类号： H04L29/06
- IPC分类号： H04L29/06
摘要：
An encrypted program received in an MPEG transport stream is decrypted by receiving a message in the MPEG transport stream, wherein the message contains a key, decrypting the encrypted program based on the key, and replacing the message in the MPEG transport stream with a null packet.
公开/授权文献
- US20090208009A1 ROTATION OF KEYS DURING ENCRYPTION/DECRYPTION 公开/授权日：2009-08-20
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