xref: /aosp_15_r20/external/tink/go/keyset/binary_io_test.go (revision e7b1675dde1b92d52ec075b0a92829627f2c52a5) 
1// Copyright 2019 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14//
15////////////////////////////////////////////////////////////////////////////////
16
17package keyset_test
18
19import (
20	"bytes"
21	"strings"
22	"testing"
23
24	"google.golang.org/protobuf/proto"
25	"github.com/google/tink/go/keyset"
26	"github.com/google/tink/go/testkeyset"
27	"github.com/google/tink/go/testutil"
28
29	tinkpb "github.com/google/tink/go/proto/tink_go_proto"
30)
31
32func TestBinaryIOUnencrypted(t *testing.T) {
33	buf := new(bytes.Buffer)
34	w := keyset.NewBinaryWriter(buf)
35	r := keyset.NewBinaryReader(buf)
36
37	manager := testutil.NewHMACKeysetManager()
38	h, err := manager.Handle()
39	if h == nil || err != nil {
40		t.Fatalf("cannot get keyset handle: %v", err)
41	}
42
43	ks1 := testkeyset.KeysetMaterial(h)
44	if err := w.Write(ks1); err != nil {
45		t.Fatalf("cannot write keyset: %v", err)
46	}
47
48	ks2, err := r.Read()
49	if err != nil {
50		t.Fatalf("cannot read keyset: %v", err)
51	}
52
53	if !proto.Equal(ks1, ks2) {
54		t.Errorf("written keyset (%s) doesn't match read keyset (%s)", ks1, ks2)
55	}
56}
57
58func TestBinaryIOEncrypted(t *testing.T) {
59	buf := new(bytes.Buffer)
60	w := keyset.NewBinaryWriter(buf)
61	r := keyset.NewBinaryReader(buf)
62
63	kse1 := &tinkpb.EncryptedKeyset{EncryptedKeyset: []byte(strings.Repeat("A", 32))}
64
65	if err := w.WriteEncrypted(kse1); err != nil {
66		t.Fatalf("cannot write encrypted keyset: %v", err)
67	}
68
69	kse2, err := r.ReadEncrypted()
70	if err != nil {
71		t.Fatalf("cannot read encrypted keyset: %v", err)
72	}
73
74	if !proto.Equal(kse1, kse2) {
75		t.Errorf("written encrypted keyset (%s) doesn't match read encrypted keyset (%s)", kse1, kse2)
76	}
77}
78