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Bw6-761 optimized Miller loop (#155)

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mmagician
2023-09-03 07:38:44 -06:00
committed by GitHub
parent 379f23070c
commit 1ce1fcf70f
3 changed files with 22 additions and 26 deletions
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21
bw6_767/src/curves/mod.rs
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@@ -19,22 +19,19 @@ impl BW6Config for Config {
// X is the same as in bls12_381
const X: BigInteger = BigInt!("0xd201000000010000");
const X_IS_NEGATIVE: bool = true;
// [(-X)+1]/3, since X < 0
// X
const ATE_LOOP_COUNT_1: &'static [u64] = &[0xd201000000010000];
const X_MINUS_1_DIV_3: BigInteger = BigInt!("0x460055555555aaab");
// -[(-X)+1]
const ATE_LOOP_COUNT_1: &'static [u64] = &[0xd20100000000ffff];
const ATE_LOOP_COUNT_1_IS_NEGATIVE: bool = true;
// -[(-X)^3-(-X)^2-(-X)] in 2-NAF
// X^2-X-1
const ATE_LOOP_COUNT_2: &'static [i8] = &[
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0,
-1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1,
0, -1, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0,
0, 0, 0, -1, 0, 1, 0, -1, 0, 1, 0, 0, 1, 0, -1, 0, 1, 0, 1, 0, 0, 0, 0, 0, -1, 0, 1, 0, 0,
0, 0, 0, 0, -1, 0, -1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 0,
1, 0, 0, 1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 0, 1,
-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
1, 0, -1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, -1, 0, -1, 0, 1, 0, 0, 1,
0, 0, 0, -1, 0, -1, 0, -1, 0, 1,
];
const ATE_LOOP_COUNT_2_IS_NEGATIVE: bool = true;
const ATE_LOOP_COUNT_2_IS_NEGATIVE: bool = false;
const TWIST_TYPE: TwistType = TwistType::M;
const H_T: i64 = -4;
const H_Y: i64 = -6;