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The Monday 2007-04-09 at 07:28 -0400, James Knott wrote:
> Bear in mind an md5sum is only 128 bits. It is impossible for there to
> be only one file that results in that sum, given that a file can be any
> size, with any value in each of the bytes. However, it's virtually
> impossible to change a file so that it has the same md5sum and is still
> sensible in the intended application. A small change in the original
> file makes a big change in the md5sum.
Exactly.
But it will also be possible to find several files of the same size that
produce the same checksum. I have no idea how many, but there will be a
number that I think could be calculated.
- --
Cheers,
Carlos E. R.
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