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

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Cu.import("resource://services-sync/util.js");
function run_test() {
let cryptoSvc = Svc.Crypto;
// First, do a normal run with expected usage... Generate a random key and
// iv, encrypt and decrypt a string.
var iv = cryptoSvc.generateRandomIV();
do_check_eq(iv.length, 24);
var key = cryptoSvc.generateRandomKey();
do_check_eq(key.length, 44);
var mySecret = "bacon is a vegetable";
var cipherText = cryptoSvc.encrypt(mySecret, key, iv);
do_check_eq(cipherText.length, 44);
var clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(clearText.length, 20);
// Did the text survive the encryption round-trip?
do_check_eq(clearText, mySecret);
do_check_neq(cipherText, mySecret); // just to be explicit
// Do some more tests with a fixed key/iv, to check for reproducable results.
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_128_CBC;
key = "St1tFCor7vQEJNug/465dQ==";
iv = "oLjkfrLIOnK2bDRvW4kXYA==";
// Test small input sizes
mySecret = "";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "OGQjp6mK1a3fs9k9Ml4L3w==");
do_check_eq(clearText, mySecret);
mySecret = "x";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "96iMl4vhOxFUW/lVHHzVqg==");
do_check_eq(clearText, mySecret);
mySecret = "xx";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "olpPbETRYROCSqFWcH2SWg==");
do_check_eq(clearText, mySecret);
mySecret = "xxx";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "rRbpHGyVSZizLX/x43Wm+Q==");
do_check_eq(clearText, mySecret);
mySecret = "xxxx";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "HeC7miVGDcpxae9RmiIKAw==");
do_check_eq(clearText, mySecret);
// Test non-ascii input
// ("testuser1" using similar-looking glyphs)
mySecret = String.fromCharCode(355, 277, 349, 357, 533, 537, 101, 345, 185);
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "Pj4ixByXoH3SU3JkOXaEKPgwRAWplAWFLQZkpJd5Kr4=");
do_check_eq(clearText, mySecret);
// Tests input spanning a block boundary (AES block size is 16 bytes)
mySecret = "123456789012345";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "e6c5hwphe45/3VN/M0bMUA==");
do_check_eq(clearText, mySecret);
mySecret = "1234567890123456";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "V6aaOZw8pWlYkoIHNkhsP1JOIQF87E2vTUvBUQnyV04=");
do_check_eq(clearText, mySecret);
mySecret = "12345678901234567";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "V6aaOZw8pWlYkoIHNkhsP5GvxWJ9+GIAS6lXw+5fHTI=");
do_check_eq(clearText, mySecret);
// Test with 192 bit key.
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_192_CBC;
key = "iz35tuIMq4/H+IYw2KTgow==";
iv = "TJYrvva2KxvkM8hvOIvWp3xgjTXgq5Ss";
mySecret = "i like pie";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "DLGx8BWqSCLGG7i/xwvvxg==");
do_check_eq(clearText, mySecret);
// Test with 256 bit key.
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_256_CBC;
key = "c5hG3YG+NC61FFy8NOHQak1ZhMEWO79bwiAfar2euzI=";
iv = "gsgLRDaxWvIfKt75RjuvFWERt83FFsY2A0TW+0b2iVk=";
mySecret = "i like pie";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
clearText = cryptoSvc.decrypt(cipherText, key, iv);
do_check_eq(cipherText, "o+ADtdMd8ubzNWurS6jt0Q==");
do_check_eq(clearText, mySecret);
// Test with bogus inputs
cryptoSvc.algorithm = Ci.IWeaveCrypto.AES_128_CBC;
key = "St1tFCor7vQEJNug/465dQ==";
iv = "oLjkfrLIOnK2bDRvW4kXYA==";
mySecret = "does thunder read testcases?";
cipherText = cryptoSvc.encrypt(mySecret, key, iv);
do_check_eq(cipherText, "T6fik9Ros+DB2ablH9zZ8FWZ0xm/szSwJjIHZu7sjPs=");
var badkey = "badkeybadkeybadkeybadk==";
var badiv = "badivbadivbadivbadivbad==";
var badcipher = "crapinputcrapinputcrapinputcrapinputcrapinp=";
var failure;
try {
failure = false;
clearText = cryptoSvc.decrypt(cipherText, badkey, iv);
} catch (e) {
failure = true;
}
do_check_true(failure);
try {
failure = false;
clearText = cryptoSvc.decrypt(cipherText, key, badiv);
} catch (e) {
failure = true;
}
do_check_true(failure);
try {
failure = false;
clearText = cryptoSvc.decrypt(cipherText, badkey, badiv);
} catch (e) {
failure = true;
}
do_check_true(failure);
try {
failure = false;
clearText = cryptoSvc.decrypt(badcipher, key, iv);
} catch (e) {
failure = true;
}
do_check_true(failure);
}