Enabling secure communications with a client
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United States of America Patent
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May 17, 2005
Grant Date -
N/A
app pub date -
Sep 29, 2000
filing date -
Sep 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A unique processor serial number may be utilized to augment a device key seed stored in a non-volatile memory. In this way, a relatively secure system may be enabled that facilitates renewing the device key. An integrated circuit may include a transport demultiplexer and key logic. The key logic communicates with the processor using a secure protocol. The key logic can generate random numbers that may be hashed with the processor serial number and the device key seed to generate a device key. The device key may be provided to a head end to facilitate secure communications between the head end and the client.
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