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