1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package subtle_test
import (
"encoding/hex"
"hash"
"testing"
"github.com/tink-crypto/tink-go/v2/subtle"
)
func TestConvertHashName(t *testing.T) {
if subtle.ConvertHashName("SHA-256") != "SHA256" ||
subtle.ConvertHashName("SHA-1") != "SHA1" ||
subtle.ConvertHashName("SHA-512") != "SHA512" ||
subtle.ConvertHashName("UNKNOWN_HASH") != "" {
t.Errorf("incorrect hash name conversion")
}
}
func TestConvertCurveName(t *testing.T) {
if subtle.ConvertCurveName("secp256r1") != "NIST_P256" ||
subtle.ConvertCurveName("secp384r1") != "NIST_P384" ||
subtle.ConvertCurveName("secp521r1") != "NIST_P521" ||
subtle.ConvertCurveName("UNKNOWN_CURVE") != "" {
t.Errorf("incorrect curve name conversion")
}
}
func TestComputeHash(t *testing.T) {
data := []byte("Hello")
var tests = []struct {
hashFunc func() hash.Hash
expectedHash string
}{
{subtle.GetHashFunc("SHA1"), "f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0"},
{subtle.GetHashFunc("SHA256"), "185f8db32271fe25f561a6fc938b2e264306ec304eda518007d1764826381969"},
{subtle.GetHashFunc("SHA512"), "3615f80c9d293ed7402687f94b22d58e529b8cc7916f8fac7fddf7fbd5af4cf777d3d795a7a00a16bf7e7f3fb9561ee9baae480da9fe7a18769e71886b03f315"},
}
for _, tt := range tests {
hashFunc := tt.hashFunc
if hashFunc == nil {
t.Fatal("got nil hash func")
}
hashed, err := subtle.ComputeHash(hashFunc, data)
if err != nil {
t.Fatalf("got error: %q", err)
}
if gotHash := hex.EncodeToString(hashed); gotHash != tt.expectedHash {
t.Fatalf("Expected: %s. Got: %s", tt.expectedHash, gotHash)
}
}
// unknown
if subtle.GetHashFunc("UNKNOWN_HASH") != nil {
t.Errorf("unexpected result for invalid hash types")
}
}
func TestGetCurve(t *testing.T) {
if subtle.GetCurve("NIST_P256").Params().Name != "P-256" {
t.Errorf("incorrect result for NIST_P256")
}
if subtle.GetCurve("NIST_P384").Params().Name != "P-384" {
t.Errorf("incorrect result for NIST_P384")
}
if subtle.GetCurve("NIST_P521").Params().Name != "P-521" {
t.Errorf("incorrect result for NIST_P521")
}
if subtle.GetCurve("UNKNOWN_CURVE") != nil {
t.Errorf("expect nil when curve is unknown")
}
}
|
