logos-storage/gnark-plonky2-verifier
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fix for V-SCT-VUL-00 and V-SCT-VUL-010

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This commit is contained in:
Kevin Jue 2023-12-18 17:09:06 -08:00
parent c0cbac8423
commit 5766879636
1 changed files with 3 additions and 1 deletions
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4
poseidon/bn254.go
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@ -76,8 +76,10 @@ func (c *BN254Chip) HashOrNoop(input []gl.Variable) BN254HashOut {
returnVal := frontend.Variable(0)
alpha := new(big.Int).SetInt64(1 << 32)
alpha = new(big.Int).Mul(alpha, alpha)
for i, inputElement := range input {
returnVal = c.api.MulAcc(returnVal, inputElement, alpha.Exp(alpha, big.NewInt(int64(i)), nil))
mulFactor := new(big.Int).Exp(alpha, big.NewInt(int64(i)), nil)
returnVal = c.api.MulAcc(returnVal, inputElement, mulFactor)
}
return BN254HashOut(returnVal)