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121 lines
3.7 KiB
JavaScript
121 lines
3.7 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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Cu.import("resource://services-common/utils.js");
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Cu.import("resource://services-crypto/utils.js");
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// Test vectors from RFC 5869
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// Test case 1
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var tc1 = {
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IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
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salt: "000102030405060708090a0b0c",
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info: "f0f1f2f3f4f5f6f7f8f9",
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L: 42,
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PRK: "077709362c2e32df0ddc3f0dc47bba63" +
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"90b6c73bb50f9c3122ec844ad7c2b3e5",
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OKM: "3cb25f25faacd57a90434f64d0362f2a" +
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"2d2d0a90cf1a5a4c5db02d56ecc4c5bf" +
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"34007208d5b887185865"
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};
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// Test case 2
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var tc2 = {
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IKM: "000102030405060708090a0b0c0d0e0f" +
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"101112131415161718191a1b1c1d1e1f" +
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"202122232425262728292a2b2c2d2e2f" +
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"303132333435363738393a3b3c3d3e3f" +
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"404142434445464748494a4b4c4d4e4f",
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salt: "606162636465666768696a6b6c6d6e6f" +
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"707172737475767778797a7b7c7d7e7f" +
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"808182838485868788898a8b8c8d8e8f" +
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"909192939495969798999a9b9c9d9e9f" +
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"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf",
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info: "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf" +
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"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" +
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"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" +
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"e0e1e2e3e4e5e6e7e8e9eaebecedeeef" +
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"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
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L: 82,
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PRK: "06a6b88c5853361a06104c9ceb35b45c" +
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"ef760014904671014a193f40c15fc244",
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OKM: "b11e398dc80327a1c8e7f78c596a4934" +
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"4f012eda2d4efad8a050cc4c19afa97c" +
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"59045a99cac7827271cb41c65e590e09" +
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"da3275600c2f09b8367793a9aca3db71" +
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"cc30c58179ec3e87c14c01d5c1f3434f" +
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"1d87"
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};
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// Test case 3
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var tc3 = {
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IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
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salt: "",
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info: "",
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L: 42,
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PRK: "19ef24a32c717b167f33a91d6f648bdf" +
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"96596776afdb6377ac434c1c293ccb04",
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OKM: "8da4e775a563c18f715f802a063c5a31" +
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"b8a11f5c5ee1879ec3454e5f3c738d2d" +
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"9d201395faa4b61a96c8"
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};
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function sha256HMAC(message, key) {
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let h = CryptoUtils.makeHMACHasher(Ci.nsICryptoHMAC.SHA256, key);
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return CryptoUtils.digestBytes(message, h);
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}
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function _hexToString(hex) {
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let ret = "";
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if (hex.length % 2 != 0) {
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return false;
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}
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for (let i = 0; i < hex.length; i += 2) {
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let cur = hex[i] + hex[i + 1];
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ret += String.fromCharCode(parseInt(cur, 16));
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}
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return ret;
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}
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function extract_hex(salt, ikm) {
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salt = _hexToString(salt);
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ikm = _hexToString(ikm);
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return CommonUtils.bytesAsHex(sha256HMAC(ikm, CryptoUtils.makeHMACKey(salt)));
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}
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function expand_hex(prk, info, len) {
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prk = _hexToString(prk);
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info = _hexToString(info);
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return CommonUtils.bytesAsHex(CryptoUtils.hkdfExpand(prk, info, len));
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}
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function hkdf_hex(ikm, salt, info, len) {
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ikm = _hexToString(ikm);
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if (salt)
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salt = _hexToString(salt);
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info = _hexToString(info);
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return CommonUtils.bytesAsHex(CryptoUtils.hkdf(ikm, salt, info, len));
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}
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function run_test() {
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_("Verifying Test Case 1");
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do_check_eq(extract_hex(tc1.salt, tc1.IKM), tc1.PRK);
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do_check_eq(expand_hex(tc1.PRK, tc1.info, tc1.L), tc1.OKM);
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do_check_eq(hkdf_hex(tc1.IKM, tc1.salt, tc1.info, tc1.L), tc1.OKM);
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_("Verifying Test Case 2");
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do_check_eq(extract_hex(tc2.salt, tc2.IKM), tc2.PRK);
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do_check_eq(expand_hex(tc2.PRK, tc2.info, tc2.L), tc2.OKM);
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do_check_eq(hkdf_hex(tc2.IKM, tc2.salt, tc2.info, tc2.L), tc2.OKM);
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_("Verifying Test Case 3");
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do_check_eq(extract_hex(tc3.salt, tc3.IKM), tc3.PRK);
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do_check_eq(expand_hex(tc3.PRK, tc3.info, tc3.L), tc3.OKM);
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do_check_eq(hkdf_hex(tc3.IKM, tc3.salt, tc3.info, tc3.L), tc3.OKM);
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do_check_eq(hkdf_hex(tc3.IKM, undefined, tc3.info, tc3.L), tc3.OKM);
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}
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