/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

  1. Cu.import("resource://services-sync/util.js");
  2. // Test vectors from RFC 5869
  3. // Test case 1
  4. let tc1 = {
  5. IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
  6. salt: "000102030405060708090a0b0c",
  7. info: "f0f1f2f3f4f5f6f7f8f9",
  8. L: 42,
  9. PRK: "077709362c2e32df0ddc3f0dc47bba63" +
  10. "90b6c73bb50f9c3122ec844ad7c2b3e5",
  11. OKM: "3cb25f25faacd57a90434f64d0362f2a" +
  12. "2d2d0a90cf1a5a4c5db02d56ecc4c5bf" +
  13. "34007208d5b887185865"
  14. };
  15. // Test case 2
  16. let tc2 = {
  17. IKM: "000102030405060708090a0b0c0d0e0f" +
  18. "101112131415161718191a1b1c1d1e1f" +
  19. "202122232425262728292a2b2c2d2e2f" +
  20. "303132333435363738393a3b3c3d3e3f" +
  21. "404142434445464748494a4b4c4d4e4f",
  22. salt: "606162636465666768696a6b6c6d6e6f" +
  23. "707172737475767778797a7b7c7d7e7f" +
  24. "808182838485868788898a8b8c8d8e8f" +
  25. "909192939495969798999a9b9c9d9e9f" +
  26. "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf",
  27. info: "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf" +
  28. "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" +
  29. "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" +
  30. "e0e1e2e3e4e5e6e7e8e9eaebecedeeef" +
  31. "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
  32. L: 82,
  33. PRK: "06a6b88c5853361a06104c9ceb35b45c" +
  34. "ef760014904671014a193f40c15fc244",
  35. OKM: "b11e398dc80327a1c8e7f78c596a4934" +
  36. "4f012eda2d4efad8a050cc4c19afa97c" +
  37. "59045a99cac7827271cb41c65e590e09" +
  38. "da3275600c2f09b8367793a9aca3db71" +
  39. "cc30c58179ec3e87c14c01d5c1f3434f" +
  40. "1d87"
  41. };
  42. // Test case 3
  43. let tc3 = {
  44. IKM: "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
  45. salt: "",
  46. info: "",
  47. L: 42,
  48. PRK: "19ef24a32c717b167f33a91d6f648bdf" +
  49. "96596776afdb6377ac434c1c293ccb04",
  50. OKM: "8da4e775a563c18f715f802a063c5a31" +
  51. "b8a11f5c5ee1879ec3454e5f3c738d2d" +
  52. "9d201395faa4b61a96c8"
  53. };
  54. function sha256HMAC(message, key) {
  55. let h = Utils.makeHMACHasher(Ci.nsICryptoHMAC.SHA256, key);
  56. return Utils.digestBytes(message, h);
  57. }
  58. function _hexToString(hex) {
  59. let ret = "";
  60. if (hex.length % 2 != 0) {
  61. return false;
  62. }
  63. for (let i = 0; i < hex.length; i += 2) {
  64. let cur = hex[i] + hex[i + 1];
  65. ret += String.fromCharCode(parseInt(cur, 16));
  66. }
  67. return ret;
  68. }
  69. function extract_hex(salt, ikm) {
  70. salt = _hexToString(salt);
  71. ikm = _hexToString(ikm);
  72. return Utils.bytesAsHex(sha256HMAC(ikm, Utils.makeHMACKey(salt)));
  73. }
  74. function expand_hex(prk, info, len) {
  75. prk = _hexToString(prk);
  76. info = _hexToString(info);
  77. return Utils.bytesAsHex(Utils.hkdfExpand(prk, info, len));
  78. }
  79. function run_test() {
  80. _("Verifying Test Case 1");
  81. do_check_eq(extract_hex(tc1.salt, tc1.IKM), tc1.PRK);
  82. do_check_eq(expand_hex(tc1.PRK, tc1.info, tc1.L), tc1.OKM);
  83. _("Verifying Test Case 2");
  84. do_check_eq(extract_hex(tc2.salt, tc2.IKM), tc2.PRK);
  85. do_check_eq(expand_hex(tc2.PRK, tc2.info, tc2.L), tc2.OKM);
  86. _("Verifying Test Case 3");
  87. do_check_eq(extract_hex(tc3.salt, tc3.IKM), tc3.PRK);
  88. do_check_eq(expand_hex(tc3.PRK, tc3.info, tc3.L), tc3.OKM);
  89. }