third_party/WebKit/LayoutTests/crypto/subtle/hkdf/deriveKey.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../../resources/js-test.js"></script>
   5 <script src="../resources/common.js"></script>
   6 </head>
   7 <body>
   8 <p id="description"></p>
   9 <div id="console"></div>
  10
  11 <script>
  12 description("Test that keys can be derived from an HKDF key");
  13
  14 jsTestIsAsync = true;
  15
  16 kHkdfKey = "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b";
  17
  18 var extractable = true;
  19 var derivingKeyAlgorithm = {
  20     name: "HKDF",
  21     hash: "SHA-256",
  22     salt: new Uint8Array(),
  23     info: new Uint8Array()
  24 };
  25
  26 Promise.resolve(null).then(function(result) {
  27     return crypto.subtle.importKey("raw", hexStringToUint8Array(kHkdfKey), "HKDF", extractable, ['deriveKey']);
  28 }).then(function(result) {
  29     baseKey = result;
  30
  31     return crypto.subtle.deriveKey(derivingKeyAlgorithm, baseKey, {name: "AES-GCM", length: 256}, extractable, ['encrypt']);
  32 }).then(function(result) {
  33     derivedKey = result;
  34
  35     shouldEvaluateAs("derivedKey.type", "secret");
  36     shouldEvaluateAs("derivedKey.extractable", extractable);
  37     shouldEvaluateAs("derivedKey.algorithm.name", "AES-GCM");
  38     shouldEvaluateAs("derivedKey.usages.join(',')", "encrypt");
  39
  40     debug("\nTry to derive an HKDF key...");
  41     return crypto.subtle.deriveKey(derivingKeyAlgorithm, baseKey, "HKDF", extractable, ['deriveKey']);
  42 }).then(failAndFinishJSTest, function(result) {
  43     logError(result);
  44
  45     // Create an empty key and test deriving a key with it.
  46     return crypto.subtle.importKey("raw", new Uint8Array(), "HKDF", extractable, ['deriveKey']);
  47 }).then(function(result) {
  48     emptyKey = result;
  49
  50     shouldEvaluateAs("emptyKey.type", "secret");
  51     shouldEvaluateAs("emptyKey.extractable", extractable);
  52     shouldEvaluateAs("emptyKey.algorithm.name", "HKDF");
  53     shouldEvaluateAs("emptyKey.usages.join(',')", "deriveKey");
  54
  55     return crypto.subtle.deriveKey(derivingKeyAlgorithm, emptyKey, {name: "AES-GCM", length: 256}, extractable, ['encrypt']);
  56 }).then(function(result) {
  57     derivedKey = result;
  58
  59     shouldEvaluateAs("derivedKey.type", "secret");
  60     shouldEvaluateAs("derivedKey.extractable", extractable);
  61     shouldEvaluateAs("derivedKey.algorithm.name", "AES-GCM");
  62     shouldEvaluateAs("derivedKey.usages.join(',')", "encrypt");
  63 }).then(finishJSTest, failAndFinishJSTest);
  64
  65 </script>
  66
  67 </body>
  68 </html>