Re:A Full Break of the Bitstream Encryption of Xilinx 7-Seri...
by johncolanduoni on Sunday April 19, 2020 @05:22PM
(#22918903)
This mechanism also included an HMAC, responsible for authenticating the bitstream. That's useful even if the bitstream is public knowledge.
I certainly don't see how anything FOSS would be affected, and would appreciate concrete examples.