Messages in this thread | | | Date | Thu, 29 Jul 1999 13:45:57 +0300 (EEST) | From | Meelis Roos <> | Subject | RE: PATCH: /dev/nvram cleanups. |
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> I think there's another reason for not decoding the upper > bytes though. Some BIOS's encode passwords there, which are > notoriously insecure. (Do a websearch for BIOS cracker) > If this interface were opened up to show the upper bytes, > the userspace app to decode them should only decode the > upper bytes if the user has the capabilities.
I know about BIOS crackers, I have wriiten one myself. I don't think we should put the BIOS cracker into the nvram driver. This is userspace thingy. The kernel should export just the raw bytes and probably a method for checking and setting the checksum.
--- Meelis Roos (mroos@tartu.cyber.ee)
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