Secure execution of program instructions provided by network interactions with processor
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United States of America Patent
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-
Oct 23, 2001
Grant Date -
N/A
app pub date -
Aug 18, 1999
filing date -
Aug 18, 1999
priority date (Note) -
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Abstract
A CPU is provided with an ability to modify its operation in accordance with an encryption key. When a program is compiled, the program is modified in order that execution may be performed with the CPU with its operation modified. As a result, it is unnecessary to decrypt the program into standard op codes prior to execution. The keyed program operation permits secure transfer of program data through open channels such as the Internet. A programmable instruction decoder programmable decodes encrypted instruction op codes, without decrypting them into standard op codes. Logic is used to accomplish network handshaking. The network handshaking further used to provide additional key information for continued operation the CPU.
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