Copy protection of data
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Sep 13, 2007
filing date -
Mar 27, 1997
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A copyright protection scheme is provided in which data is downloaded from a server 1, typically over the World Wide Web 2 to a client 3, for presentation to a user. The downloaded data is cryptographically protected, by encryption and hashing. When displayed by the client, storing and copying functions are selectively disabled in respect of the data, in order to prevent unauthorised copying.
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