feat(QMCv2): Add mapCipher & mflac/mgg key discovery

algo/qmc/cipher_map_test.go

@@ -0,0 +1,40 @@
+package qmc
+
+import (
+	"os"
+	"reflect"
+	"testing"
+)
+
+func loadTestMapCipherData() ([]byte, []byte, []byte, error) {
+	key, err := os.ReadFile("./testdata/mflac_map_key.bin")
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	raw, err := os.ReadFile("./testdata/mflac_map_raw.bin")
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	target, err := os.ReadFile("./testdata/mflac_map_target.bin")
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	return key, raw, target, nil
+}
+func Test_mapCipher_Decrypt(t *testing.T) {
+	key, raw, target, err := loadTestMapCipherData()
+	if err != nil {
+		t.Fatalf("load testing data failed: %s", err)
+	}
+	t.Run("overall", func(t *testing.T) {
+		c, err := NewMapCipher(key)
+		if err != nil {
+			t.Errorf("init mapCipher failed: %s", err)
+			return
+		}
+		c.Decrypt(raw, 0)
+		if !reflect.DeepEqual(raw, target) {
+			t.Error("overall")
+		}
+	})
+}