Method and apparatus for controlling access to digital signals
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United States of America Patent
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Apr 2, 1996
Grant Date -
N/A
app pub date -
Feb 2, 1994
filing date -
Feb 2, 1994
priority date (Note) -
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Abstract
A method and apparatus are provided for controlling access to digital signals sent via a first communication path and retransmitted over a second communication path. The digital signals, having been encrypted by a first encryption scheme and sent over the first communication path, are received and decrypted. The decrypted signals are then retransmitted over the second communication path using a second encryption scheme that differs from the first encryption scheme.
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