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