1 files changed, 37 insertions, 0 deletions
diff --git a/modules/util/legacy_test.go b/modules/util/legacy_test.go
new file mode 100644
index 0000000000..cfda93d3ad
--- /dev/null
+++ b/modules/util/legacy_test.go
@@ -0,0 +1,37 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package util
+
+import (
+	"crypto/aes"
+	"crypto/rand"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/unknwon/com" //nolint:depguard
+)
+
+func TestAESGCM(t *testing.T) {
+	t.Parallel()
+
+	key := make([]byte, aes.BlockSize)
+	_, err := rand.Read(key)
+	assert.NoError(t, err)
+
+	plaintext := []byte("this will be encrypted")
+
+	ciphertext, err := AESGCMEncrypt(key, plaintext)
+	assert.NoError(t, err)
+
+	decrypted, err := AESGCMDecrypt(key, ciphertext)
+	assert.NoError(t, err)
+
+	assert.Equal(t, plaintext, decrypted)
+
+	// at the moment, we make sure the result is the same as the legacy package, this assertion can be removed in next round refactoring
+	legacy, err := com.AESGCMDecrypt(key, ciphertext)
+	assert.NoError(t, err)
+	assert.Equal(t, legacy, plaintext)
+}