77 lines
2.8 KiB
Go
77 lines
2.8 KiB
Go
// Copyright 2013-2014 Conformal Systems LLC. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package btcec_test
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
"github.com/conformal/btcec"
|
|
"testing"
|
|
)
|
|
|
|
// BenchmarkAddJacobian benchmarks the secp256k1 curve addJacobian function.
|
|
func BenchmarkAddJacobian(b *testing.B) {
|
|
b.StopTimer()
|
|
x1 := btcec.NewFieldVal().SetHex("34f9460f0e4f08393d192b3c5133a6ba099aa0ad9fd54ebccfacdfa239ff49c6")
|
|
y1 := btcec.NewFieldVal().SetHex("0b71ea9bd730fd8923f6d25a7a91e7dd7728a960686cb5a901bb419e0f2ca232")
|
|
z1 := btcec.NewFieldVal().SetHex("1")
|
|
x2 := btcec.NewFieldVal().SetHex("34f9460f0e4f08393d192b3c5133a6ba099aa0ad9fd54ebccfacdfa239ff49c6")
|
|
y2 := btcec.NewFieldVal().SetHex("0b71ea9bd730fd8923f6d25a7a91e7dd7728a960686cb5a901bb419e0f2ca232")
|
|
z2 := btcec.NewFieldVal().SetHex("1")
|
|
x3, y3, z3 := btcec.NewFieldVal(), btcec.NewFieldVal(), btcec.NewFieldVal()
|
|
curve := btcec.S256()
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
curve.TstAddJacobian(x1, y1, z1, x2, y2, z2, x3, y3, z3)
|
|
}
|
|
}
|
|
|
|
// BechmarkScalarBaseMult benchmarks the secp256k1 curve ScalarBaseMult
|
|
// function.
|
|
func BechmarkScalarBaseMult(b *testing.B) {
|
|
k := fromHex("d74bf844b0862475103d96a611cf2d898447e288d34b360bc885cb8ce7c00575")
|
|
curve := btcec.S256()
|
|
for i := 0; i < b.N; i++ {
|
|
curve.ScalarBaseMult(k.Bytes())
|
|
}
|
|
}
|
|
|
|
// BenchmarkScalarMult benchmarks the secp256k1 curve ScalarMult function.
|
|
func BenchmarkScalarMult(b *testing.B) {
|
|
x := fromHex("34f9460f0e4f08393d192b3c5133a6ba099aa0ad9fd54ebccfacdfa239ff49c6")
|
|
y := fromHex("0b71ea9bd730fd8923f6d25a7a91e7dd7728a960686cb5a901bb419e0f2ca232")
|
|
k := fromHex("d74bf844b0862475103d96a611cf2d898447e288d34b360bc885cb8ce7c00575")
|
|
curve := btcec.S256()
|
|
for i := 0; i < b.N; i++ {
|
|
curve.ScalarMult(x, y, k.Bytes())
|
|
}
|
|
}
|
|
|
|
// BenchmarkSigVerify benchmarks how long it takes the secp256k1 curve to
|
|
// verify signatures.
|
|
func BenchmarkSigVerify(b *testing.B) {
|
|
b.StopTimer()
|
|
// Randomly generated keypair.
|
|
// Private key: 9e0699c91ca1e3b7e3c9ba71eb71c89890872be97576010fe593fbf3fd57e66d
|
|
pubKey := ecdsa.PublicKey{
|
|
Curve: btcec.S256(),
|
|
X: fromHex("d2e670a19c6d753d1a6d8b20bd045df8a08fb162cf508956c31268c6d81ffdab"),
|
|
Y: fromHex("ab65528eefbb8057aa85d597258a3fbd481a24633bc9b47a9aa045c91371de52"),
|
|
}
|
|
|
|
// Double sha256 of []byte{0x01, 0x02, 0x03, 0x04}
|
|
msgHash := fromHex("8de472e2399610baaa7f84840547cd409434e31f5d3bd71e4d947f283874f9c0")
|
|
sigR := fromHex("fef45d2892953aa5bbcdb057b5e98b208f1617a7498af7eb765574e29b5d9c2c")
|
|
sigS := fromHex("d47563f52aac6b04b55de236b7c515eb9311757db01e02cff079c3ca6efb063f")
|
|
|
|
if !ecdsa.Verify(&pubKey, msgHash.Bytes(), sigR, sigS) {
|
|
b.Errorf("Signature failed to verify")
|
|
return
|
|
}
|
|
b.StartTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
ecdsa.Verify(&pubKey, msgHash.Bytes(), sigR, sigS)
|
|
}
|
|
}
|