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
88
|
"use strict";
var ScriptableUnicodeConverter =
Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
"nsIScriptableUnicodeConverter");
function getHMAC(data, key, alg) {
let converter = new ScriptableUnicodeConverter();
converter.charset = "utf8";
let dataArray = converter.convertToByteArray(data);
let keyObject = Cc["@mozilla.org/security/keyobjectfactory;1"]
.getService(Ci.nsIKeyObjectFactory)
.keyFromString(Ci.nsIKeyObject.HMAC, key);
let cryptoHMAC = Cc["@mozilla.org/security/hmac;1"]
.createInstance(Ci.nsICryptoHMAC);
cryptoHMAC.init(alg, keyObject);
cryptoHMAC.update(dataArray, dataArray.length);
let digest1 = cryptoHMAC.finish(false);
cryptoHMAC.reset();
cryptoHMAC.update(dataArray, dataArray.length);
let digest2 = cryptoHMAC.finish(false);
equal(digest1, digest2,
"Initial digest and digest after calling reset() should match");
return digest1;
}
function testHMAC(alg) {
const key1 = 'MyKey_ABCDEFGHIJKLMN';
const key2 = 'MyKey_01234567890123';
const dataA = "Secret message";
const dataB = "Secres message";
let digest1a = getHMAC(key1, dataA, alg);
let digest2 = getHMAC(key2, dataA, alg);
let digest1b = getHMAC(key1, dataA, alg);
equal(digest1a, digest1b,
"The digests for the same key, data and algorithm should match");
notEqual(digest1a, digest2, "The digests for different keys should not match");
let digest1 = getHMAC(key1, dataA, alg);
digest2 = getHMAC(key1, dataB, alg);
notEqual(digest1, digest2, "The digests for different data should not match");
}
function hexdigest(data) {
return Array.from(data, (c, i) => ("0" + data.charCodeAt(i).toString(16)).slice(-2)).join("");
}
function testVectors() {
// These are test vectors taken from RFC 4231, section 4.3. (Test Case 2)
const keyTestVector = "Jefe";
const dataTestVector = "what do ya want for nothing?";
let digest = hexdigest(getHMAC(dataTestVector, keyTestVector,
Ci.nsICryptoHMAC.SHA256));
equal(digest,
"5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843",
"Actual and expected SHA-256 digests should match");
digest = hexdigest(getHMAC(dataTestVector, keyTestVector,
Ci.nsICryptoHMAC.SHA384));
equal(digest,
"af45d2e376484031617f78d2b58a6b1b9c7ef464f5a01b47e42ec3736322445e8e2240ca5e69e2c78b3239ecfab21649",
"Actual and expected SHA-384 digests should match");
digest = hexdigest(getHMAC(dataTestVector, keyTestVector,
Ci.nsICryptoHMAC.SHA512));
equal(digest,
"164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7ea2505549758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b636e070a38bce737",
"Actual and expected SHA-512 digests should match");
}
function run_test() {
testVectors();
testHMAC(Ci.nsICryptoHMAC.SHA1);
testHMAC(Ci.nsICryptoHMAC.SHA512);
testHMAC(Ci.nsICryptoHMAC.MD5);
}
|
