/services/sync/tests/unit/test_utils_hkdfExpand.js
http://github.com/zpao/v8monkey · JavaScript · 104 lines · 85 code · 15 blank · 4 comment · 3 complexity · c345c543e36bf53d132a635a13869129 MD5 · raw file
- Cu.import("resource://services-sync/util.js");
- // Test vectors from RFC 5869
- // Test case 1
- let tc1 = {
- IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
- salt: "000102030405060708090a0b0c",
- info: "f0f1f2f3f4f5f6f7f8f9",
- L: 42,
- PRK: "077709362c2e32df0ddc3f0dc47bba63" +
- "90b6c73bb50f9c3122ec844ad7c2b3e5",
- OKM: "3cb25f25faacd57a90434f64d0362f2a" +
- "2d2d0a90cf1a5a4c5db02d56ecc4c5bf" +
- "34007208d5b887185865"
- };
- // Test case 2
- let tc2 = {
- IKM: "000102030405060708090a0b0c0d0e0f" +
- "101112131415161718191a1b1c1d1e1f" +
- "202122232425262728292a2b2c2d2e2f" +
- "303132333435363738393a3b3c3d3e3f" +
- "404142434445464748494a4b4c4d4e4f",
- salt: "606162636465666768696a6b6c6d6e6f" +
- "707172737475767778797a7b7c7d7e7f" +
- "808182838485868788898a8b8c8d8e8f" +
- "909192939495969798999a9b9c9d9e9f" +
- "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf",
- info: "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf" +
- "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" +
- "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" +
- "e0e1e2e3e4e5e6e7e8e9eaebecedeeef" +
- "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
- L: 82,
- PRK: "06a6b88c5853361a06104c9ceb35b45c" +
- "ef760014904671014a193f40c15fc244",
- OKM: "b11e398dc80327a1c8e7f78c596a4934" +
- "4f012eda2d4efad8a050cc4c19afa97c" +
- "59045a99cac7827271cb41c65e590e09" +
- "da3275600c2f09b8367793a9aca3db71" +
- "cc30c58179ec3e87c14c01d5c1f3434f" +
- "1d87"
- };
- // Test case 3
- let tc3 = {
- IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
- salt: "",
- info: "",
- L: 42,
- PRK: "19ef24a32c717b167f33a91d6f648bdf" +
- "96596776afdb6377ac434c1c293ccb04",
- OKM: "8da4e775a563c18f715f802a063c5a31" +
- "b8a11f5c5ee1879ec3454e5f3c738d2d" +
- "9d201395faa4b61a96c8"
- };
- function sha256HMAC(message, key) {
- let h = Utils.makeHMACHasher(Ci.nsICryptoHMAC.SHA256, key);
- return Utils.digestBytes(message, h);
- }
- function _hexToString(hex) {
- let ret = "";
- if (hex.length % 2 != 0) {
- return false;
- }
- for (let i = 0; i < hex.length; i += 2) {
- let cur = hex[i] + hex[i + 1];
- ret += String.fromCharCode(parseInt(cur, 16));
- }
- return ret;
- }
- function extract_hex(salt, ikm) {
- salt = _hexToString(salt);
- ikm = _hexToString(ikm);
- return Utils.bytesAsHex(sha256HMAC(ikm, Utils.makeHMACKey(salt)));
- }
- function expand_hex(prk, info, len) {
- prk = _hexToString(prk);
- info = _hexToString(info);
- return Utils.bytesAsHex(Utils.hkdfExpand(prk, info, len));
- }
- function run_test() {
- _("Verifying Test Case 1");
- do_check_eq(extract_hex(tc1.salt, tc1.IKM), tc1.PRK);
- do_check_eq(expand_hex(tc1.PRK, tc1.info, tc1.L), tc1.OKM);
- _("Verifying Test Case 2");
- do_check_eq(extract_hex(tc2.salt, tc2.IKM), tc2.PRK);
- do_check_eq(expand_hex(tc2.PRK, tc2.info, tc2.L), tc2.OKM);
- _("Verifying Test Case 3");
- do_check_eq(extract_hex(tc3.salt, tc3.IKM), tc3.PRK);
- do_check_eq(expand_hex(tc3.PRK, tc3.info, tc3.L), tc3.OKM);
- }