The Tor Browser / file comparison
comparison: services/crypto/tests/unit/test_utils_hkdfExpand.js
services/crypto/tests/unit/test_utils_hkdfExpand.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f42cb3b39c74 |
|---|---|
| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 Cu.import("resource://services-common/utils.js"); | |
| 5 Cu.import("resource://services-crypto/utils.js"); | |
| 6 | |
| 7 // Test vectors from RFC 5869 | |
| 8 | |
| 9 // Test case 1 | |
| 10 | |
| 11 let tc1 = { | |
| 12 IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", | |
| 13 salt: "000102030405060708090a0b0c", | |
| 14 info: "f0f1f2f3f4f5f6f7f8f9", | |
| 15 L: 42, | |
| 16 PRK: "077709362c2e32df0ddc3f0dc47bba63" + | |
| 17 "90b6c73bb50f9c3122ec844ad7c2b3e5", | |
| 18 OKM: "3cb25f25faacd57a90434f64d0362f2a" + | |
| 19 "2d2d0a90cf1a5a4c5db02d56ecc4c5bf" + | |
| 20 "34007208d5b887185865" | |
| 21 }; | |
| 22 | |
| 23 // Test case 2 | |
| 24 | |
| 25 let tc2 = { | |
| 26 IKM: "000102030405060708090a0b0c0d0e0f" + | |
| 27 "101112131415161718191a1b1c1d1e1f" + | |
| 28 "202122232425262728292a2b2c2d2e2f" + | |
| 29 "303132333435363738393a3b3c3d3e3f" + | |
| 30 "404142434445464748494a4b4c4d4e4f", | |
| 31 salt: "606162636465666768696a6b6c6d6e6f" + | |
| 32 "707172737475767778797a7b7c7d7e7f" + | |
| 33 "808182838485868788898a8b8c8d8e8f" + | |
| 34 "909192939495969798999a9b9c9d9e9f" + | |
| 35 "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf", | |
| 36 info: "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf" + | |
| 37 "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" + | |
| 38 "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" + | |
| 39 "e0e1e2e3e4e5e6e7e8e9eaebecedeeef" + | |
| 40 "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", | |
| 41 L: 82, | |
| 42 PRK: "06a6b88c5853361a06104c9ceb35b45c" + | |
| 43 "ef760014904671014a193f40c15fc244", | |
| 44 OKM: "b11e398dc80327a1c8e7f78c596a4934" + | |
| 45 "4f012eda2d4efad8a050cc4c19afa97c" + | |
| 46 "59045a99cac7827271cb41c65e590e09" + | |
| 47 "da3275600c2f09b8367793a9aca3db71" + | |
| 48 "cc30c58179ec3e87c14c01d5c1f3434f" + | |
| 49 "1d87" | |
| 50 }; | |
| 51 | |
| 52 // Test case 3 | |
| 53 | |
| 54 let tc3 = { | |
| 55 IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", | |
| 56 salt: "", | |
| 57 info: "", | |
| 58 L: 42, | |
| 59 PRK: "19ef24a32c717b167f33a91d6f648bdf" + | |
| 60 "96596776afdb6377ac434c1c293ccb04", | |
| 61 OKM: "8da4e775a563c18f715f802a063c5a31" + | |
| 62 "b8a11f5c5ee1879ec3454e5f3c738d2d" + | |
| 63 "9d201395faa4b61a96c8" | |
| 64 }; | |
| 65 | |
| 66 function sha256HMAC(message, key) { | |
| 67 let h = CryptoUtils.makeHMACHasher(Ci.nsICryptoHMAC.SHA256, key); | |
| 68 return CryptoUtils.digestBytes(message, h); | |
| 69 } | |
| 70 | |
| 71 function _hexToString(hex) { | |
| 72 let ret = ""; | |
| 73 if (hex.length % 2 != 0) { | |
| 74 return false; | |
| 75 } | |
| 76 | |
| 77 for (let i = 0; i < hex.length; i += 2) { | |
| 78 let cur = hex[i] + hex[i + 1]; | |
| 79 ret += String.fromCharCode(parseInt(cur, 16)); | |
| 80 } | |
| 81 return ret; | |
| 82 } | |
| 83 | |
| 84 function extract_hex(salt, ikm) { | |
| 85 salt = _hexToString(salt); | |
| 86 ikm = _hexToString(ikm); | |
| 87 return CommonUtils.bytesAsHex(sha256HMAC(ikm, CryptoUtils.makeHMACKey(salt))); | |
| 88 } | |
| 89 | |
| 90 function expand_hex(prk, info, len) { | |
| 91 prk = _hexToString(prk); | |
| 92 info = _hexToString(info); | |
| 93 return CommonUtils.bytesAsHex(CryptoUtils.hkdfExpand(prk, info, len)); | |
| 94 } | |
| 95 | |
| 96 function hkdf_hex(ikm, salt, info, len) { | |
| 97 ikm = _hexToString(ikm); | |
| 98 if (salt) | |
| 99 salt = _hexToString(salt); | |
| 100 info = _hexToString(info); | |
| 101 return CommonUtils.bytesAsHex(CryptoUtils.hkdf(ikm, salt, info, len)); | |
| 102 } | |
| 103 | |
| 104 function run_test() { | |
| 105 _("Verifying Test Case 1"); | |
| 106 do_check_eq(extract_hex(tc1.salt, tc1.IKM), tc1.PRK); | |
| 107 do_check_eq(expand_hex(tc1.PRK, tc1.info, tc1.L), tc1.OKM); | |
| 108 do_check_eq(hkdf_hex(tc1.IKM, tc1.salt, tc1.info, tc1.L), tc1.OKM); | |
| 109 | |
| 110 _("Verifying Test Case 2"); | |
| 111 do_check_eq(extract_hex(tc2.salt, tc2.IKM), tc2.PRK); | |
| 112 do_check_eq(expand_hex(tc2.PRK, tc2.info, tc2.L), tc2.OKM); | |
| 113 do_check_eq(hkdf_hex(tc2.IKM, tc2.salt, tc2.info, tc2.L), tc2.OKM); | |
| 114 | |
| 115 _("Verifying Test Case 3"); | |
| 116 do_check_eq(extract_hex(tc3.salt, tc3.IKM), tc3.PRK); | |
| 117 do_check_eq(expand_hex(tc3.PRK, tc3.info, tc3.L), tc3.OKM); | |
| 118 do_check_eq(hkdf_hex(tc3.IKM, tc3.salt, tc3.info, tc3.L), tc3.OKM); | |
| 119 do_check_eq(hkdf_hex(tc3.IKM, undefined, tc3.info, tc3.L), tc3.OKM); | |
| 120 } |
