md5与crc32性能对比

// main.go
package main
import (
    "crypto/md5"
    "fmt"
    "hash/crc32"
)
func main() {
    data := []byte("test")
    fmt.Printf("%x", md5.Sum(data))
}
func Crc32IEEE(data []byte) uint32 {
    return crc32.ChecksumIEEE(data)
}
func Md5(data []byte) [16]byte {
    return md5.Sum(data)
}
// main_test.go
package main
import "testing"
func BenchmarkCrc32(b *testing.B) {
    for i := 0; i < b.N; i++ {
        Crc32IEEE([]byte("test"))
    }
}
func BenchmarkMd5(b *testing.B) {
    for i := 0; i < b.N; i++ {
        Md5([]byte("test"))
    }
}
go test -bench=.