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@@ -53,21 +53,6 @@ perform padding as meeded. chapter 2.2.2 of RFC 3394.) -### Auto Zeroise -The core implements an auto zeroise functionality for secret key. This -means that any loaded wrapping key will automatically be wiped from all -registers storing key information after a specified timeout. Timeout -countdown is halted when the core is performing any wrap/unwrap operation, -and the timeout is reset to its defined start value after an operation -has been completed. - -SW can set the timout value (in cycles), SW can also inspect the key -status and timeout status. Reading status also triggers a reset of the -timeout counter. This allows SW to keep a loaded key alive by simply -checking status. Finally SW can actively trigger a key zeroisation -operation. - - ## Implementation results The core has been implemented for Xilinx Artix7-t200 using ISE with the following results: |