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Altera_Forum
Honored Contributor
14 years agoExtracting .jic from cyclone III
Hi, Does anybody know if it is possible at all to extract and copy/open/read/write a design from a .jic file already installed on a Cyclone III FPGA? If yes, what are the ways to prevent ...
Altera_Forum
Honored Contributor
12 years ago --- Quote Start --- Before that You had to program DS28E01 with secret code with the use of the same FPGA. Can that be done several times? --- Quote End --- Yes. The code is rewritable --- Quote Start --- How to check, that DS28E01 really got programmed? --- Quote End --- You may use the "enabler" code and expose the enable signal in order to test its level after security check. --- Quote Start --- What is the form of the "Enable" signal? A constant high level even after the SHA-1 IFF module will be turned off or a pulse? --- Quote End --- If the security check is successfull, it goes high and keeps the level forever