tornado-packages/phase2-bn254
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Fix some comments.

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This commit is contained in:
Sean Bowe 2017-11-26 03:09:06 -07:00
parent ed5a7f31e2
commit b8394bf14d
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GPG Key ID: 95684257D8F8B031
2 changed files with 3 additions and 3 deletions
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4
src/bls12_381/fq.rs
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@ -18,7 +18,7 @@ const R: FqRepr = FqRepr([0x760900000002fffd, 0xebf4000bc40c0002, 0x5f48985753c7
// R2 = R^2 % q
const R2: FqRepr = FqRepr([0xf4df1f341c341746, 0xa76e6a609d104f1, 0x8de5476c4c95b6d5, 0x67eb88a9939d83c0, 0x9a793e85b519952d, 0x11988fe592cae3aa]);
// INV = -(q^{-1} mod q) mod q
// INV = -(q^{-1} mod 2^64) mod 2^64
const INV: u64 = 0x89f3fffcfffcfffd;
// GENERATOR = 2 (multiplicative generator of q-1 order, that is also quadratic nonresidue)
@ -823,7 +823,7 @@ impl SqrtField for Fq {
// Shank's algorithm for q mod 4 = 3
// https://eprint.iacr.org/2012/685.pdf (page 9, algorithm 2)
// a1 = self^((q - 3) // 2)
// a1 = self^((q - 3) // 4)
let mut a1 = self.pow([0xee7fbfffffffeaaa, 0x7aaffffac54ffff, 0xd9cc34a83dac3d89, 0xd91dd2e13ce144af, 0x92c6e9ed90d2eb35, 0x680447a8e5ff9a6]);
let mut a0 = a1;
a0.square();

2
src/bls12_381/fr.rs
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@ -17,7 +17,7 @@ const R: FrRepr = FrRepr([0x1fffffffe, 0x5884b7fa00034802, 0x998c4fefecbc4ff5, 0
// R2 = R^2 % r
const R2: FrRepr = FrRepr([0xc999e990f3f29c6d, 0x2b6cedcb87925c23, 0x5d314967254398f, 0x748d9d99f59ff11]);
// INV = -(r^{-1} mod r) mod r
// INV = -(r^{-1} mod 2^64) mod 2^64
const INV: u64 = 0xfffffffeffffffff;
// GENERATOR = 7 (multiplicative generator of r-1 order, that is also quadratic nonresidue)