63 lines
2.3 KiB
Ruby
63 lines
2.3 KiB
Ruby
class Pbc < Formula
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desc "Pairing-based cryptography"
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homepage "https://crypto.stanford.edu/pbc/"
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url "https://crypto.stanford.edu/pbc/files/pbc-0.5.14.tar.gz"
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sha256 "772527404117587560080241cedaf441e5cac3269009cdde4c588a1dce4c23d2"
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license "LGPL-3.0"
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head "https://repo.or.cz/pbc.git"
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bottle do
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rebuild 1
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sha256 cellar: :any, arm64_big_sur: "ac722f3534f9cf0679f2c999353a524d822d4068d8f9877a5967fe6fbcef9f04"
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sha256 cellar: :any, big_sur: "c14c0514c725c35d0dffbc7dc410ddc5be033e061ffc66d9c039033b0ca1e6e4"
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sha256 cellar: :any, catalina: "83d464696ab79f463ec2dc930cbd9c3ecbdedde5c578e70a4994b2cd8fec1f6d"
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sha256 cellar: :any, mojave: "85855bfe6dfe9a4fc0b0359f74aa7ea587283c1c724a6c4aee77972ecfc1d390"
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sha256 cellar: :any, high_sierra: "adc712fd4cc68990b669922be5b8ab15e4d499176c09facb5b129c6d7c847262"
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end
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depends_on "gmp"
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def install
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system "./configure", "--disable-dependency-tracking",
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"--prefix=#{prefix}"
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system "make", "install"
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end
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test do
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(testpath/"test.c").write <<~EOS
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#include <pbc/pbc.h>
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#include <assert.h>
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int main()
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{
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pbc_param_t param;
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pairing_t pairing;
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element_t g1, g2, gt1, gt2, gt3, a, g1a;
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pbc_param_init_a_gen(param, 160, 512);
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pairing_init_pbc_param(pairing, param);
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element_init_G1(g1, pairing);
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element_init_G2(g2, pairing);
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element_init_G1(g1a, pairing);
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element_init_GT(gt1, pairing);
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element_init_GT(gt2, pairing);
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element_init_GT(gt3, pairing);
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element_init_Zr(a, pairing);
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element_random(g1); element_random(g2); element_random(a);
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element_pairing(gt1, g1, g2); // gt1 = e(g1, g2)
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element_pow_zn(g1a, g1, a); // g1a = g1^a
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element_pow_zn(gt2, gt1, a); // gt2 = gt1^a = e(g1, g2)^a
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element_pairing(gt3, g1a, g2); // gt3 = e(g1a, g2) = e(g1^a, g2)
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assert(element_cmp(gt2, gt3) == 0); // assert gt2 == gt3
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pairing_clear(pairing);
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element_clear(g1); element_clear(g2); element_clear(gt1);
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element_clear(gt2); element_clear(gt3); element_clear(a);
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element_clear(g1a);
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return 0;
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}
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EOS
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system ENV.cc, "test.c", "-L#{Formula["gmp"].lib}", "-lgmp", "-L#{lib}",
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"-lpbc", "-o", "test"
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system "./test"
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end
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end
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