mirror of
https://github.com/libp2p/go-openssl.git
synced 2024-10-28 04:10:09 +08:00
110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
// Copyright (C) 2017. See AUTHORS.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package openssl
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import (
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"crypto/rand"
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"crypto/sha1"
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"io"
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"testing"
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)
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func TestSHA1(t *testing.T) {
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for i := 0; i < 100; i++ {
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buf := make([]byte, 10*1024-i)
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if _, err := io.ReadFull(rand.Reader, buf); err != nil {
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t.Fatal(err)
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}
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expected := sha1.Sum(buf)
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got, err := SHA1(buf)
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if err != nil {
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t.Fatal(err)
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}
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if expected != got {
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t.Fatalf("exp:%x got:%x", expected, got)
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}
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}
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}
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func TestSHA1Writer(t *testing.T) {
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ohash, err := NewSHA1Hash()
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if err != nil {
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t.Fatal(err)
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}
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hash := sha1.New()
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for i := 0; i < 100; i++ {
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if err := ohash.Reset(); err != nil {
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t.Fatal(err)
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}
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hash.Reset()
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buf := make([]byte, 10*1024-i)
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if _, err := io.ReadFull(rand.Reader, buf); err != nil {
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t.Fatal(err)
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}
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if _, err := ohash.Write(buf); err != nil {
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t.Fatal(err)
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}
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if _, err := hash.Write(buf); err != nil {
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t.Fatal(err)
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}
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var got, exp [20]byte
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hash.Sum(exp[:0])
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got, err := ohash.Sum()
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if err != nil {
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t.Fatal(err)
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}
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if got != exp {
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t.Fatalf("exp:%x got:%x", exp, got)
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}
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}
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}
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type shafunc func([]byte)
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func benchmarkSHA1(b *testing.B, length int64, fn shafunc) {
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buf := make([]byte, length)
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if _, err := io.ReadFull(rand.Reader, buf); err != nil {
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b.Fatal(err)
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}
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b.SetBytes(length)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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fn(buf)
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}
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}
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func BenchmarkSHA1Large_openssl(b *testing.B) {
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benchmarkSHA1(b, 1024*1024, func(buf []byte) { SHA1(buf) })
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}
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func BenchmarkSHA1Large_stdlib(b *testing.B) {
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benchmarkSHA1(b, 1024*1024, func(buf []byte) { sha1.Sum(buf) })
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}
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func BenchmarkSHA1Small_openssl(b *testing.B) {
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benchmarkSHA1(b, 1, func(buf []byte) { SHA1(buf) })
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}
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func BenchmarkSHA1Small_stdlib(b *testing.B) {
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benchmarkSHA1(b, 1, func(buf []byte) { sha1.Sum(buf) })
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}
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