rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/kms/dek_test.go

@@ -0,0 +1,72 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package kms
+
+import (
+	"bytes"
+	"encoding/base64"
+	"testing"
+)
+
+var dekEncodeDecodeTests = []struct {
+	Key DEK
+}{
+	{
+		Key: DEK{},
+	},
+	{
+		Key: DEK{
+			Plaintext:  nil,
+			Ciphertext: mustDecodeB64("eyJhZWFkIjoiQUVTLTI1Ni1HQ00tSE1BQy1TSEEtMjU2IiwiaXYiOiJ3NmhLUFVNZXVtejZ5UlVZL29pTFVBPT0iLCJub25jZSI6IktMSEU3UE1jRGo2N2UweHkiLCJieXRlcyI6Ik1wUkhjQWJaTzZ1Sm5lUGJGcnpKTkxZOG9pdkxwTmlUcTNLZ0hWdWNGYkR2Y0RlbEh1c1lYT29zblJWVTZoSXIifQ=="),
+		},
+	},
+	{
+		Key: DEK{
+			Plaintext:  mustDecodeB64("GM2UvLXp/X8lzqq0mibFC0LayDCGlmTHQhYLj7qAy7Q="),
+			Ciphertext: mustDecodeB64("eyJhZWFkIjoiQUVTLTI1Ni1HQ00tSE1BQy1TSEEtMjU2IiwiaXYiOiJ3NmhLUFVNZXVtejZ5UlVZL29pTFVBPT0iLCJub25jZSI6IktMSEU3UE1jRGo2N2UweHkiLCJieXRlcyI6Ik1wUkhjQWJaTzZ1Sm5lUGJGcnpKTkxZOG9pdkxwTmlUcTNLZ0hWdWNGYkR2Y0RlbEh1c1lYT29zblJWVTZoSXIifQ=="),
+		},
+	},
+}
+
+func TestEncodeDecodeDEK(t *testing.T) {
+	for i, test := range dekEncodeDecodeTests {
+		text, err := test.Key.MarshalText()
+		if err != nil {
+			t.Fatalf("Test %d: failed to marshal DEK: %v", i, err)
+		}
+
+		var key DEK
+		if err = key.UnmarshalText(text); err != nil {
+			t.Fatalf("Test %d: failed to unmarshal DEK: %v", i, err)
+		}
+		if key.Plaintext != nil {
+			t.Fatalf("Test %d: unmarshaled DEK contains non-nil plaintext", i)
+		}
+		if !bytes.Equal(key.Ciphertext, test.Key.Ciphertext) {
+			t.Fatalf("Test %d: ciphertext mismatch: got %x - want %x", i, key.Ciphertext, test.Key.Ciphertext)
+		}
+	}
+}
+
+func mustDecodeB64(s string) []byte {
+	b, err := base64.StdEncoding.DecodeString(s)
+	if err != nil {
+		panic(err)
+	}
+	return b
+}