arnaucube/gnark-plonky2-verifier
1
0
Fork 0
mirror of https://github.com/arnaucube/gnark-plonky2-verifier.git synced 2026-01-12 09:01:32 +01:00
Code Issues Projects Releases Wiki Activity

removed Exp in goldilocks/base.go per V-SCT-VUL-016

Browse Source
This commit is contained in:
Kevin Jue
2023-12-21 14:20:23 -08:00
parent f71795a697
commit 1a0372621c
1 changed files with 0 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
goldilocks/base.go
View File

@@ -269,28 +269,6 @@ func InverseHint(_ *big.Int, inputs []*big.Int, results []*big.Int) error {
return nil return nil
} }
// Computes a field element raised to some power.
func (p *Chip) Exp(x Variable, k *big.Int) Variable {
if k.IsUint64() && k.Uint64() == 0 {
return One()
}
e := k
if k.Sign() == -1 {
panic("Unsupported negative exponent. Need to implement inversion.")
}
z := x
for i := e.BitLen() - 2; i >= 0; i-- {
z = p.Mul(z, z)
if e.Bit(i) == 1 {
z = p.Mul(z, x)
}
}
return z
}
// The hint used to split a GoldilocksVariable into 2 32 bit limbs. // The hint used to split a GoldilocksVariable into 2 32 bit limbs.
func SplitLimbsHint(_ *big.Int, inputs []*big.Int, results []*big.Int) error { func SplitLimbsHint(_ *big.Int, inputs []*big.Int, results []*big.Int) error {
if len(inputs) != 1 { if len(inputs) != 1 {