remove lazy computation of QPlus1Div4 and do at init time.
Should shut up the race detector (thought this should be harmless)
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1 changed files with 2 additions and 3 deletions
5
btcec.go
5
btcec.go
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@ -235,9 +235,6 @@ func (curve *KoblitzCurve) ScalarBaseMult(k []byte) (*big.Int, *big.Int) {
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// QPlus1Div4 returns the Q+1/4 constant for the curve for use in calculating
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// square roots via exponention.
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func (curve *KoblitzCurve) QPlus1Div4() *big.Int {
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if curve.q == nil {
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curve.q = new(big.Int).Div(new(big.Int).Add(secp256k1.P, big.NewInt(1)), big.NewInt(4))
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}
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return curve.q
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}
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@ -258,6 +255,8 @@ func initS256() {
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secp256k1.Gx, _ = new(big.Int).SetString("79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", 16)
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secp256k1.Gy, _ = new(big.Int).SetString("483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8", 16)
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secp256k1.BitSize = 256
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secp256k1.q = new(big.Int).Div(new(big.Int).Add(secp256k1.P,
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big.NewInt(1)), big.NewInt(4))
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}
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// S256 returns a Curve which implements secp256k1.
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