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{ lib, stdenv, fetchurl }:
stdenv.mkDerivation rec {
pname = "tthsum";
version = "1.3.2";
src = fetchurl {
url = "http://tthsum.devs.nu/pkg/tthsum-${version}.tar.bz2";
sha256 = "0z6jq8lbg9rasv98kxfs56936dgpgzsg3yc9k52878qfw1l2bp59";
};
installPhase = ''
mkdir -p $out/bin $out/share/man/man1
cp share/tthsum.1.gz $out/share/man/man1
cp obj-unix/tthsum $out/bin
'';
doCheck = !stdenv.isDarwin;
meta = with lib; {
broken = stdenv.isDarwin;
description = "An md5sum-alike program that works with Tiger/THEX hashes";
longDescription = ''
tthsum generates or checks TTH checksums (root of the THEX hash
tree). The Merkle Hash Tree, invented by Ralph Merkle, is a hash
construct that exhibits desirable properties for verifying the
integrity of files and file subranges in an incremental or
out-of-order fashion. tthsum uses the Tiger hash algorithm for
both the internal and the leaf nodes.
The specification of the Tiger hash algorithm is at:
http://www.cs.technion.ac.il/~biham/Reports/Tiger/
The specification of the THEX algorithm is at:
http://adc.sourceforge.net/draft-jchapweske-thex-02.html
'';
homepage = "http://tthsum.devs.nu/";
license = licenses.gpl3Plus;
maintainers = [ maintainers.ebzzry ];
platforms = platforms.unix;
};
}
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