alt Hacker NewsMy understanding is that it worked by doing read/write on a known bad sector to verify that the physical defect is there. Replicating that on normal discs sounds hard.
My understanding is that it worked by doing read/write on a known bad sector to verify that the physical defect is there. Replicating that on normal discs sounds hard.
The problem with all these protection schemes is somewhere in the code they could usually be bypassed by turning a JNE to an unconditional jump.
So you had to add code to detect modifications which itself could be bypassed.