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services/crypto/tests/unit/test_crypto_deriveKey.js@4ab42b5ab56c (annotated)

services/crypto/tests/unit/test_crypto_deriveKey.js

Wed, 31 Dec 2014 07:53:36 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:53:36 +0100

branch

TOR_BUG_3246

changeset 5

4ab42b5ab56c

permissions

-rw-r--r--

Correct small whitespace inconsistency, lost while renaming variables.

michael@0	1	var btoa;
michael@0	2
michael@0	3	function test_derive(cryptoSvc) {
michael@0	4	// Extracted from test_utils_deriveKey.
michael@0	5	let pp = "secret phrase";
michael@0	6	let salt = "RE5YUHpQcGl3bg=="; // btoa("DNXPzPpiwn")
michael@0	7
michael@0	8	// 16-byte, extract key data.
michael@0	9	let k = cryptoSvc.deriveKeyFromPassphrase(pp, salt, 16);
michael@0	10	do_check_eq(16, k.length);
michael@0	11	do_check_eq(btoa(k), "d2zG0d2cBfXnRwMUGyMwyg==");
michael@0	12
michael@0	13	// Test different key lengths.
michael@0	14	k = cryptoSvc.deriveKeyFromPassphrase(pp, salt, 32);
michael@0	15	do_check_eq(32, k.length);
michael@0	16	let encKey = btoa(k);
michael@0	17
michael@0	18	// Test via encryption.
michael@0	19	let iv = cryptoSvc.generateRandomIV();
michael@0	20	do_check_eq(cryptoSvc.decrypt(cryptoSvc.encrypt("bacon", encKey, iv), encKey, iv), "bacon");
michael@0	21
michael@0	22	// Test default length (32).
michael@0	23	k = cryptoSvc.deriveKeyFromPassphrase(pp, salt, null);
michael@0	24	do_check_eq(32, k.length);
michael@0	25	do_check_eq(encKey, btoa(k));
michael@0	26	}
michael@0	27
michael@0	28	function run_test() {
michael@0	29	let cryptoSvc;
michael@0	30	try {
michael@0	31	let backstagePass = Components.utils.import("resource://services-crypto/WeaveCrypto.js");
michael@0	32	btoa = backstagePass.btoa;
michael@0	33	} catch (ex) {
michael@0	34	_("Aborting test: no WeaveCrypto.js.");
michael@0	35	return;
michael@0	36	}
michael@0	37	test_derive(new WeaveCrypto());
michael@0	38	}