zec
/
librustzcash
mirror of https://github.com/zcash/librustzcash.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

bls12_381: Remove unnecessary clones 

The structs in question all implement Copy.
This commit is contained in:
Jack Grigg 2020-01-14 21:08:34 -05:00
parent 911d248b86
commit 2bfc715828
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
bls12_381/src/pairings.rs
View File

@ -46,12 +46,12 @@ impl MillerLoopResult {
// https://eprint.iacr.org/2009/565.pdf
#[must_use]
fn cyclotomic_square(f: Fp12) -> Fp12 {
let mut z0 = f.c0.c0.clone();
let mut z4 = f.c0.c1.clone();
let mut z3 = f.c0.c2.clone();
let mut z2 = f.c1.c0.clone();
let mut z1 = f.c1.c1.clone();
let mut z5 = f.c1.c2.clone();
let mut z0 = f.c0.c0;
let mut z4 = f.c0.c1;
let mut z3 = f.c0.c2;
let mut z2 = f.c1.c0;
let mut z1 = f.c1.c1;
let mut z5 = f.c1.c2;
let (t0, t1) = fp4_square(z0, z1);
@ -113,7 +113,7 @@ impl MillerLoopResult {
tmp.conjugate()
}
let mut f = self.0.clone();
let mut f = self.0;
let mut t0 = f
.frobenius_map()
.frobenius_map()
@ -124,7 +124,7 @@ impl MillerLoopResult {
Gt(f.invert()
.map(|mut t1| {
let mut t2 = t0 * t1;
t1 = t2.clone();
t1 = t2;
t2 = t2.frobenius_map().frobenius_map();
t2 *= t1;
t1 = cyclotomic_square(t2).conjugate();