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 _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( Utils.sha256HMACBytes(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); }