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