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Altera_Forum
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14 years ago

Time-based encryption in simulations?

Hi folks, I'm trying to think of a solution to make time-based simulation IP (verilog). We use vencrypt to protect the ip already. I was thinking about the possibility of using system call...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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I'm trying to think of a solution to make time-based simulation IP (verilog). We use vencrypt to protect the ip already.

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A counter? Eg., 1hr at 100MHz = 38-bits counter. Load and enable the counter on configuration, and then 'stop' working when it hits zero.

This can of course be defeated by reconfiguring the device every hour ... but so can the time on an OS.

Cheers,

Dave