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Add frobenius_map_in_place (#140)

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Pratyush Mishra
2022-12-28 14:19:38 +03:00
committed by GitHub
parent a82486db1d
commit cba0c7ef0d
5 changed files with 15 additions and 15 deletions
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6
cp6_782/src/curves/mod.rs
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@@ -129,19 +129,19 @@ impl CP6_782 {
// elt_q3 = elt^(q^3)
let mut elt_q3 = elt.clone();
elt_q3.frobenius_map(3);
elt_q3.frobenius_map_in_place(3);
// elt_q3_over_elt = elt^(q^3-1)
let elt_q3_over_elt = elt_q3 * elt_inv;
// alpha = elt^((q^3-1) * q)
let mut alpha = elt_q3_over_elt.clone();
alpha.frobenius_map(1);
alpha.frobenius_map_in_place(1);
// beta = elt^((q^3-1)*(q+1)
alpha * &elt_q3_over_elt
}
fn final_exponentiation_last(elt: &Fq6, elt_inv: &Fq6) -> Fq6 {
let mut elt_q = elt.clone();
elt_q.frobenius_map(1);
elt_q.frobenius_map_in_place(1);
let w1_part = elt_q.cyclotomic_exp(&FINAL_EXPONENT_LAST_CHUNK_W1);
let w0_part = if FINAL_EXPONENT_LAST_CHUNK_W0_IS_NEG {