>>Such a thing could also be implemented in a linux bios. Then the executable >>would be on the bios chip, which would be more safe. > > Well, I know that such a beast could be implemented WITHOUT any OS. > But think about the following: > - Re-implementing serial support (mostly one chipset) > - Re-implementing USB support (about 3 major chipsets) > - Implementing the various smartcard- and reader-drivers > and so on ... > > That's why I suggested using linux - there everything is available, and > there'll even be new drivers as needed over time :-)
Yes, in this respect your are right. Everything would be much easier with a normal linux kernel. But you would have to repartition your harddisk in order to install a bootprotection ( except you start a installation from scratch ). Maybe one could combine both methods: boot a minimal linux kernel with build in smartcard authentication from any filesystem with grub which again boots the final OS ?
Arno
-- Mr Arno Wilhelm phion Information Technologies GmbH System Engineer Eduard-Bodem-Gasse 1 A-6020 Innsbruck www.phion.com tel: +43 512 39 45 45 fax: +43 512 39 45 45 20
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