-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Aloha!
Pavel Shatov wrote: > Speaking of asynchronous signals, I think the original idea was to > have several tamper detection inputs in the tiny MKM FPGA. Suppose > that they are active-low, this way as soon as a tamper event from a > certain sensor is detected, the corresponding input goes low. Tamper > detection inputs can be AND'ed together and routed to the reset > signals of the flops where the master key stored. This way the master > key can we wiped asynchronously and even if the clock signal is > stopped for whatever reason. As long as we can guarantee (as in really guarantee) that we never get a drop on the input by mistake (glitches, drops etc) then sure Your, Stuges and Fredriks knowledge on supply, board design, signal integrity will be needed here. - -- Med vänlig hälsning, Yours Joachim Strömbergson - Assured AB ======================================================================== -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBCAAGBQJa8ZqfAAoJEF3cfFQkIuyN9ykP/jiUE4t+63YxWB15HonqjLFF Z4BnYBH3h96zd8KnJdEdfrLH75qs9hLRvq4N5EKnUy3pcA8YEpYZqfen6ZuP9gNA Rafu86W3IKmwOyPnTnzaORn6GM4flgZvlUPKoajdbCFwLkwR/86x8+O1aumNcGiH jAUGkEohGi4r/xSITRIccEVBy2OGwr53xS64KV8eld+32pEuVOU+OEssCr6Jumem 5NYy4WX+Fw25lvjIm4T9ByJXNcEXuE/x9SGgb6LnnmURzSOr4/W2pYrUnkmKcVL9 4SSQ+rDJEdpaYz7dhVfSvfQn3z9szsNTq9TyfqDtZwKI8qu1gHm+BS26Fm4RrZbt +1gKTUEUr3pkrgdhP0LNMHrr3B1AlX4sZdQrgMeQS+UU/XrneihotQN2kBalnKIM dayXTZwgR1Hab4mC/N88tFi5vN22LKTVlVwwCtE+Uy9Cc5TOrGIECCZ8XcrTllC8 EdAascxsSO4MbzhbUS/zVDXe4pFUPQTA9gX1pRidUQHNpgkSfm0MWcjsPBQakoFi 1YdM6rLZPF6SKkupItpbHNGmssgK1tctj8YqMRwQB8sXqw0rIZaYI6bqF5rmuhfv AyEdgdvCU/3m27Pz4VNyMe0/iUxvL2ylNHrvP+gPi+/736ZzmRDkZuNmfSXa9nlp gv24wvDYv9hwN1MdJm4L =/hSK -----END PGP SIGNATURE----- _______________________________________________ Tech mailing list Tech@cryptech.is https://lists.cryptech.is/listinfo/tech
