Transmission apparatus, reception apparatus, transmission method, reception method and recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 7, 2006
Grant Date -
Sep 20, 2001
app pub date -
Mar 12, 2001
filing date -
Mar 14, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transmission apparatus, a reception apparatus, a transmission method, and a reception method, which are used for transmission and reception of encrypted digital data protected against illegal decryption of the encrypted digital data by a third party capable of inferring an encryption algorithm by decryption of a pattern having a known pre-encryption value, and a recording medium for recording the encrypted digital data.
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