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@ -3,7 +3,7 @@ use ark_ec::{ |
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models::{ModelParameters, MontgomeryModelParameters, TEModelParameters},
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twisted_edwards_extended::{GroupAffine, GroupProjective},
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};
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use ark_ff::{biginteger::BigInteger256, field_new};
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use ark_ff::field_new;
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#[cfg(test)]
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mod tests;
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@ -11,20 +11,7 @@ mod tests; |
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pub type EdwardsAffine = GroupAffine<EdwardsParameters>;
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pub type EdwardsProjective = GroupProjective<EdwardsParameters>;
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#[rustfmt::skip]
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const GENERATOR_X: Fq = field_new!(Fq, BigInteger256([
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0x3db6612c2863cc99,
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0x8a9e4521b36347dc,
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0x310a1a625c16a534,
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0x23ceae2710df4a14,
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]));
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#[rustfmt::skip]
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const GENERATOR_Y: Fq = field_new!(Fq, BigInteger256([
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0xb83342d20d0201aa,
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0x2ffef2f7cdcfeac7,
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0xbfa79a9425a6e625,
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0xdfb859dc3a44b70,
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]));
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/// `Baby-JubJub` is a twisted Edwards curve. These curves have equations of the
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/// form: ax² + y² = 1 + dx²y².
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@ -45,12 +32,7 @@ impl ModelParameters for EdwardsParameters { |
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impl TEModelParameters for EdwardsParameters {
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/// COEFF_A = 1
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#[rustfmt::skip]
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const COEFF_A: Fq = field_new!(Fq, BigInteger256([
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0xac96341c4ffffffb,
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0x36fc76959f60cd29,
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0x666ea36f7879462e,
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0xe0a77c19a07df2f,
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]));
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const COEFF_A: Fq = field_new!(Fq, "1");
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#[inline(always)]
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fn mul_by_a(elem: &Self::BaseField) -> Self::BaseField {
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@ -60,12 +42,7 @@ impl TEModelParameters for EdwardsParameters { |
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/// COEFF_D = 168696/168700 mod q
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/// = 9706598848417545097372247223557719406784115219466060233080913168975159366771
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#[rustfmt::skip]
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const COEFF_D: Fq = field_new!(Fq, BigInteger256([
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0xe7a66d1d9fb08e74,
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0xd775bbd5e17629dc,
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0x70ccd097286ef1e7,
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0x45809398fdf98,
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]));
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const COEFF_D: Fq = field_new!(Fq, "9706598848417545097372247223557719406784115219466060233080913168975159366771");
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/// COFACTOR = 8
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const COFACTOR: &'static [u64] = &[8];
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@ -73,12 +50,7 @@ impl TEModelParameters for EdwardsParameters { |
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/// COFACTOR^(-1) mod r =
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/// 2394026564107420727433200628387514462817212225638746351800188703329891451411
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#[rustfmt::skip]
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const COFACTOR_INV: Fr = field_new!(Fr, BigInteger256([
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0xfac308b2e25a3d4b,
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0xa7c55b66e25b59cb,
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0xeccdd46def0f28c5,
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0x1c14ef83340fbe5,
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]));
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const COFACTOR_INV: Fr = field_new!(Fr, "2394026564107420727433200628387514462817212225638746351800188703329891451411");
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/// AFFINE_GENERATOR_COEFFS = (GENERATOR_X, GENERATOR_Y)
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const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) = (GENERATOR_X, GENERATOR_Y);
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@ -89,20 +61,15 @@ impl TEModelParameters for EdwardsParameters { |
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impl MontgomeryModelParameters for EdwardsParameters {
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/// COEFF_A = 168698
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#[rustfmt::skip]
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const COEFF_A: Fq = field_new!(Fq, BigInteger256([
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9251058552732279275u64,
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16047179255329565110u64,
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14708493084570629864u64,
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2559515811206512830u64,
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]));
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const COEFF_A: Fq = field_new!(Fq, "168698");
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/// COEFF_B = 168700
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#[rustfmt::skip]
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const COEFF_B: Fq = field_new!(Fq, BigInteger256([
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10785223227458347488u64,
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2627865112663806840u64,
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16189334210225400552u64,
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1096023023792938739u64,
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]));
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const COEFF_B: Fq = field_new!(Fq, "168700");
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type TEModelParameters = EdwardsParameters;
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}
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#[rustfmt::skip]
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const GENERATOR_X: Fq = field_new!(Fq, "19698561148652590122159747500897617769866003486955115824547446575314762165298");
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#[rustfmt::skip]
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const GENERATOR_Y: Fq = field_new!(Fq, "19298250018296453272277890825869354524455968081175474282777126169995084727839");
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