Invention Grant
- Patent Title: Opportunistic use of keys during encryption/decryption
- Patent Title (中): 在加密/解密过程中机会使用密钥
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Application No.: US12355260Application Date: 2009-01-16
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Publication No.: US08401189B2Publication Date: 2013-03-19
- Inventor: Raymond C. Hauge , Richard Lewis
- Applicant: Raymond C. Hauge , Richard Lewis
- Applicant Address: US IL Lincolnshire
- Assignee: Zenith Electronics LLC
- Current Assignee: Zenith Electronics LLC
- Current Assignee Address: US IL Lincolnshire
- Main IPC: H04L29/06
- IPC: H04L29/06
Abstract:
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.
Public/Granted literature
- US20090208009A1 ROTATION OF KEYS DURING ENCRYPTION/DECRYPTION Public/Granted day:2009-08-20
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