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Hmm, this is kind of disappointing. I acquired the Broadcom BC5805 SSL accelerator and I’ve got it installed in a test machine. While it seems to accelerate rsa and dsa signing under OpenSSL, it doesn’t actually accelerate des and md5 stuff like I had expected.

So I did some digging, and it seems that OpenSSL is actually looking for /dev/ubscrypt and /dev/ubskey so that it can hook into the card itself and accelerate things.

I find this disappointing, because there is not a driver available for providing such things under FreeBSD, only under Linux.