30 lines
816 B
Nix
30 lines
816 B
Nix
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{ stdenv, fetchurl, openssl }:
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stdenv.mkDerivation rec {
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name = "hashcash-${version}";
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version = "1.22";
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buildInputs = [ openssl ];
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src = fetchurl {
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url = "http://www.hashcash.org/source/hashcash-1.22.tgz";
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sha256 = "15kqaimwb2y8wvzpn73021bvay9mz1gqqfc40gk4hj6f84nz34h1";
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};
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makeFlags = "generic-openssl LIBCRYPTO=-lcrypto";
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installPhase = ''
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mkdir -p $out/bin
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mkdir -p $out/share/man/man1
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install -m 0755 hashcash $out/bin
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install -m 0755 sha1 $out/bin
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install -m 0444 hashcash.1 $out/share/man/man1
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'';
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meta = with stdenv.lib; {
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description = "Hashcash is a proof-of-work algorithm, which has been used as a denial-of-service counter measure technique in a number of systems.";
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homepage = http://hashcash.org;
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license = licenses.gpl2;
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};
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}
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