package cbcmac

import (
	"fmt"
	"testing"

	"xdx.jelly/xgcl/sm/sm4"
)

func TestCbcMac(t *testing.T) {
	key := make([]byte, 16)
	msg := make([]byte, 16)
	c, err := sm4.NewCipher(key)
	if err != nil {
		t.Fatal(err)
	}
	mac, err := New(c)
	if err != nil {
		t.Fatal(err)
	}
	mac.Write(msg)
	m := mac.Sum(nil)
	if len(m) == 0 {
		t.Fatal("compute mac error")
	}
	fmt.Printf("%x\n", m)
}