Program development method, program development supporting system, and program installation method
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United States of America Patent
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May 29, 2012
Grant Date -
Feb 5, 2009
app pub date -
Jul 9, 2008
filing date -
Jul 24, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An development environment of a high security level is provided for a key-installed system. Development of a program for a system having an LSI device which includes a secure memory is performed by providing another LSI device having the same structure and setting the provided LSI device to a development mode which is different from a product operation mode. Alternatively, the provided LSI device is set to an administrator mode to perform development and encryption of a key-generation program. The LSI device is set to a key-generation mode to execute the encrypted key-generation program, thereby generating various keys.
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