发明授权
- 专利标题: Encryption/decryption of program data but not PSI data
- 专利标题(中): 程序数据的加密/解密,而不是PSI数据
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申请号: US11342479申请日: 2006-01-30
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公开(公告)号: US08144868B2公开(公告)日: 2012-03-27
- 发明人: Raymond C. Hauge , Richard Lewis , Rudolf Turner
- 申请人: Raymond C. Hauge , Richard Lewis , Rudolf Turner
- 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: H04N7/167
- IPC分类号: H04N7/167
摘要:
At a transmitter, a program is encrypting according to a one program key, the program key is encrypted, and the encrypted program, the encrypted program key, and non-encrypted PSI data to a receiver are transmitted. At a receiver, the encrypted program, the encrypted program key, and the non-encrypted PSI data are received, the encrypted program key is decrypted, the encrypted program is located according to the non-encrypted PSI data, and the located encrypted program is decrypted according to decrypted program key.
公开/授权文献
- US20070189529A1 Encryption/decryption of program data but not PSI data 公开/授权日:2007-08-16
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