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Re: file splitting



Karl Hasselstrom wrote:
> 1. Split an X byte file into n pieces of X/k bytes each (n >= k), such
>    that any k pieces suffice to reconstruct the file.

ras can do this, though you'll have to do your own splitting of the
original file first.

> 2. Split an X byte file into n pieces of X bytes each, such that any k
>    pieces suffice to reconstruct the file (n >= k), but no group of at
>    most k-1 pieces convey any information about the file contents
>    whatsoever.
> 
> 3. Split an X byte file into n pieces of X/k bytes each (n >= k), such
>    that any k pieces suffice to reconstruct the file, but no group of
>    at most k-1 pieces convey any information about the file contents
>    (under the assumption that some cryptographic algorithm is
>    unbreakable).

Good luck!

-- 
see shy jo

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