Chromium Code Reviews| OLD | NEW |
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| 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 unwrapping an HKDF key"); | |
| 13 | |
| 14 jsTestIsAsync = true; | |
| 15 | |
| 16 kHkdfKey = hexStringToUint8Array("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b") ; | |
| 17 kIv = new Uint8Array(16); | |
| 18 | |
| 19 var extractable = true; | |
| 20 var derivingKeyAlgorithm = { | |
| 21 name: "HKDF", | |
| 22 hash: "SHA-256", | |
| 23 salt: new Uint8Array(), | |
| 24 info: new Uint8Array() | |
| 25 }; | |
| 26 | |
| 27 Promise.resolve(null).then(function(result) { | |
| 28 // Create a key to use for wrapping/unwrapping | |
| 29 return crypto.subtle.generateKey({name: "AES-GCM", length: 256}, false, ['en crypt', 'unwrapKey']); | |
| 30 }).then(function(result) { | |
| 31 wrappingKey = result; | |
| 32 | |
| 33 shouldEvaluateAs("wrappingKey.algorithm.name", "AES-GCM"); | |
| 34 shouldEvaluateAs("wrappingKey.extractable", false); | |
| 35 shouldEvaluateAs("wrappingKey.usages.join(',')", "encrypt,unwrapKey"); | |
| 36 | |
| 37 // Wrap the HKDF key. Since the HKDF algorithm does not support the export | |
| 38 // key operation, I wrap it by calling encrypt. | |
|
eroman
2015/01/07 01:18:44
Same comment as in another review: Avoid the use o
nharper
2015/01/09 22:41:47
Done.
| |
| 39 return crypto.subtle.encrypt({name: "AES-GCM", length: 256, iv: kIv}, wrappi ngKey, kHkdfKey); | |
| 40 }).then(function(result) { | |
| 41 wrappedKey = result; | |
| 42 | |
| 43 // Unwrap it as a raw key. | |
| 44 return crypto.subtle.unwrapKey("raw", wrappedKey, wrappingKey, {name: "AES-G CM", length: 256, iv: kIv}, "HKDF", false, ['deriveBits']); | |
| 45 }).then(function(result) { | |
| 46 unwrappedHkdfKey = result; | |
| 47 | |
| 48 shouldEvaluateAs("unwrappedHkdfKey.algorithm.name", "HKDF"); | |
| 49 shouldEvaluateAs("unwrappedHkdfKey.extractable", false); | |
| 50 shouldEvaluateAs("unwrappedHkdfKey.usages.join(',')", "deriveBits"); | |
| 51 | |
| 52 debug("\nUnwrapping an HKDF key from a format other than raw should fail."); | |
| 53 return crypto.subtle.unwrapKey("pkcs8", wrappedKey, wrappingKey, {name: "AES -GCM", length: 256, iv: kIv}, "HKDF", false, ['deriveBits']); | |
| 54 }).then(failAndFinishJSTest, function(result) { | |
| 55 logError(result); | |
| 56 }).then(finishJSTest, failAndFinishJSTest); | |
| 57 | |
| 58 </script> | |
| 59 | |
| 60 </body> | |
| 61 </html> | |
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