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92 lines
3.1 KiB
92 lines
3.1 KiB
package benchmarking
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import (
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"io"
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"testing"
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"github.com/tendermint/tendermint/crypto"
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)
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// The code in this file is adapted from agl/ed25519.
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// As such it is under the following license.
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// Copyright 2012 The Go Authors. 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 at the bottom of this file.
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type zeroReader struct{}
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func (zeroReader) Read(buf []byte) (int, error) {
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for i := range buf {
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buf[i] = 0
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}
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return len(buf), nil
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}
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// BenchmarkKeyGeneration benchmarks the given key generation algorithm using
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// a dummy reader.
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func BenchmarkKeyGeneration(b *testing.B, generateKey func(reader io.Reader) crypto.PrivKey) {
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var zero zeroReader
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for i := 0; i < b.N; i++ {
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generateKey(zero)
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}
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}
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// BenchmarkSigning benchmarks the given signing algorithm using
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// the provided privkey.
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func BenchmarkSigning(b *testing.B, priv crypto.PrivKey) {
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message := []byte("Hello, world!")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, err := priv.Sign(message)
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if err != nil {
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b.FailNow()
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}
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}
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}
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// BenchmarkVerification benchmarks the given verification algorithm using
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// the provided privkey on a constant message.
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func BenchmarkVerification(b *testing.B, priv crypto.PrivKey) {
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pub := priv.PubKey()
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// use a short message, so this time doesn't get dominated by hashing.
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message := []byte("Hello, world!")
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signature, err := priv.Sign(message)
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if err != nil {
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b.Fatal(err)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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pub.VerifySignature(message, signature)
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}
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}
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// Below is the aforementioned license.
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// Copyright (c) 2012 The Go Authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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