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I am working on lattice MachxO2 FPGA. Our customer is asking to to encrypt the JDEC file (the bit file). How do I do this?

There is sample Unencrypted JDEC file and some information given here from p.no 35 onward, but it does not mention of encrypting the same.

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The Lattice Diamond 2.1 help for bitgen on command line says this is only available for LatticeECP2S and LatticeXP2 devices. Look for bitgen -e -k and -s options. Maybe running these options on MachXO2 device works...

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From the product info it would appear that encryption is not supported. You can lock the device against readback, though.

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