gecko/services/sync/tests/unit/test_crypto_random.js

66 lines
2.1 KiB
JavaScript

function run_test() {
var cryptoSvc = Cc["@labs.mozilla.com/Weave/Crypto;1"].
getService(Ci.IWeaveCrypto);
// Test salt generation.
var salt;
salt = cryptoSvc.generateRandomBytes(0);
do_check_eq(salt.length, 0);
salt = cryptoSvc.generateRandomBytes(1);
do_check_eq(salt.length, 4);
salt = cryptoSvc.generateRandomBytes(2);
do_check_eq(salt.length, 4);
salt = cryptoSvc.generateRandomBytes(3);
do_check_eq(salt.length, 4);
salt = cryptoSvc.generateRandomBytes(4);
do_check_eq(salt.length, 8);
salt = cryptoSvc.generateRandomBytes(8);
do_check_eq(salt.length, 12);
// sanity check to make sure salts seem random
var salt2 = cryptoSvc.generateRandomBytes(8);
do_check_eq(salt2.length, 12);
do_check_neq(salt, salt2);
salt = cryptoSvc.generateRandomBytes(16);
do_check_eq(salt.length, 24);
salt = cryptoSvc.generateRandomBytes(1024);
do_check_eq(salt.length, 1368);
// Test random key generation
var keydata, keydata2, iv;
keydata = cryptoSvc.generateRandomKey();
do_check_eq(keydata.length, 44);
keydata2 = cryptoSvc.generateRandomKey();
do_check_neq(keydata, keydata2); // sanity check for randomness
iv = cryptoSvc.generateRandomIV();
do_check_eq(iv.length, 24);
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_256_CBC;
keydata = cryptoSvc.generateRandomKey();
do_check_eq(keydata.length, 44);
keydata2 = cryptoSvc.generateRandomKey();
do_check_neq(keydata, keydata2); // sanity check for randomness
iv = cryptoSvc.generateRandomIV();
do_check_eq(iv.length, 24);
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_192_CBC;
keydata = cryptoSvc.generateRandomKey();
do_check_eq(keydata.length, 32);
keydata2 = cryptoSvc.generateRandomKey();
do_check_neq(keydata, keydata2); // sanity check for randomness
iv = cryptoSvc.generateRandomIV();
do_check_eq(iv.length, 24);
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_128_CBC;
keydata = cryptoSvc.generateRandomKey();
do_check_eq(keydata.length, 24);
keydata2 = cryptoSvc.generateRandomKey();
do_check_neq(keydata, keydata2); // sanity check for randomness
iv = cryptoSvc.generateRandomIV();
do_check_eq(iv.length, 24);
}