> Typically the software FDE solution should intercept BIOS interrupt (I'm not > Windows programmer, but back in old DOS times it was int 13h and 76h) and > individually encrypt/decrypt each 512 bytes sector. It is very CPU-consuming > process. Up to 48% of the CPU power can be spent on encryption. The HW FDE > (SED, self-encrypting drives) is much more efficient, and no changes in OS > is required. > > Dmitry
Hi Dmitry, when you talk about BIOS interruptions, are you talking about I/O interruptions (read/write from/to disk)? what is the difference between monitoring BIOS and monitoring Windows I/O layer with a filter driver? Best Regards. Fran _______________________________________________ FDE mailing list FDE@www.xml-dev.com http://www.xml-dev.com/mailman/listinfo/fde
