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arnaucube
2018-12-30 21:16:19 +01:00
parent 1375596a74
commit 33de628a91
11 changed files with 404 additions and 13 deletions
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4
fields/fq12.go
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@@ -143,10 +143,13 @@ func BigIsOdd(n *big.Int) bool {
}
func (fq12 Fq12) Exp(base [2][3][2]*big.Int, e *big.Int) [2][3][2]*big.Int {
// TODO fix bottleneck
res := fq12.One()
rem := fq12.Fq2.F.Copy(e)
exp := base
// before := time.Now()
for !bytes.Equal(rem.Bytes(), big.NewInt(int64(0)).Bytes()) {
if BigIsOdd(rem) {
res = fq12.Mul(res, exp)
@@ -154,6 +157,7 @@ func (fq12 Fq12) Exp(base [2][3][2]*big.Int, e *big.Int) [2][3][2]*big.Int {
exp = fq12.Square(exp)
rem = new(big.Int).Rsh(rem, 1)
}
// fmt.Println("time elapsed:", time.Since(before))
return res
}
func (fq12 Fq12) Affine(a [2][3][2]*big.Int) [2][3][2]*big.Int {