apparently they somehow have their adler32 cake as part of Debian Linux ...

[Albretch Mueller <lbrtchx@gmail.com>]

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 http://packages.debian.org/search?searchon=contents&keywords=adler32&mode=filename&suite=stable&arch=any
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 but you can't eat it?
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 http://packages.debian.org/search?searchon=contents&keywords=adler32&mode=exactfilename&suite=stable&arch=any
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 http://packages.debian.org/search?searchon=contents&keywords=adler32&mode=path&suite=stable&arch=any
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 which libraries does adler32 hashing come with? I just need a fast
hashing utility.
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 md5, sha-*, ... sums are way too slow when you need to hash large
numbers of large files
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 lbrtchx