Method and apparatus for encrypted data stream transmission
USRE40334E1 · kind E1 · reissue
8Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2006 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Jan 13, 2026 |
Classification
- Technology area (CPC —)General
Abstract
A method and apparatus for the transmission and reception of scrambled data is disclosed. In some embodiments, the method and apparatus includes transmitting a scrambled data stream to a decoder, sending the scrambled data stream to a portable security module inserted in the decoder, descrambling the scrambled data stream, encrypting a descrambled data stream, and using the encrypted data stream to the decoder, decrypting the encrypted data stream, and using the decrypted data stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.