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| (Empty) |
| 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 bad inputs to HKDF deriveBits()"); | |
| 13 | |
| 14 jsTestIsAsync = true; | |
| 15 | |
| 16 kHkdfKey = "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"; | |
| 17 | |
| 18 var extractable = true; | |
| 19 Promise.resolve(null).then(function(result) { | |
| 20 // Set up the test by creating an HKDF key... | |
| 21 return crypto.subtle.importKey("raw", hexStringToUint8Array(kHkdfKey), {name
: "HKDF"}, extractable, ['deriveKey', 'deriveBits']); | |
| 22 }).then(function(result) { | |
| 23 hkdfKey = result; | |
| 24 | |
| 25 // ... and an ECDH key. | |
| 26 return crypto.subtle.generateKey({name: "ECDH", namedCurve: "P-256"}, true,
['deriveBits']); | |
| 27 }).then(function(result) { | |
| 28 ecdhKey = result; | |
| 29 | |
| 30 // Should throw a NotSupportedError if hash does not describe a recognized | |
| 31 // algorithm that supports the digest operation. | |
| 32 debug("\nderiveBits() with an unsupported hash..."); | |
| 33 return crypto.subtle.deriveBits({name: "HKDF", hash: "HMAC", salt: new Uint8
Array(), info: new Uint8Array()}, hkdfKey, 8); | |
| 34 }).then(failAndFinishJSTest, function(result) { | |
| 35 logError(result); | |
| 36 | |
| 37 // Should throw an InvalidAccessError if key doesn't match the algorithm | |
| 38 debug("\nderiveBits() with an ECDH key..."); | |
| 39 return crypto.subtle.deriveBits({name: "HKDF", hash: "SHA-256", salt: new Ui
nt8Array(), info: new Uint8Array()}, ecdhKey.privateKey, 8); | |
| 40 }).then(failAndFinishJSTest, function(result) { | |
| 41 logError(result); | |
| 42 | |
| 43 // Should throw an OperationError if the key derivation operation | |
| 44 // fails. The key derivation operation will fail here because the length | |
| 45 // is too long. | |
| 46 // | |
| 47 // The maximum length (in bytes) of output material for HKDF is 255 times | |
| 48 // the digest length. In this case, the digest length (in bytes) of | |
| 49 // SHA-256 is 32; 32*255 = 8160. deriveBits expects the length to be in | |
| 50 // bits, so 8160*8=65280 and add 1 to exceed the maximum length. | |
| 51 debug("\nderiveBits() with length of 65281..."); | |
| 52 return crypto.subtle.deriveBits({name: "HKDF", hash: "SHA-256", salt: new Ui
nt8Array(), info: new Uint8Array()}, hkdfKey, 65281); | |
| 53 }).then(failAndFinishJSTest, function(result) { | |
| 54 logError(result); | |
| 55 }).then(finishJSTest, failAndFinishJSTest); | |
| 56 | |
| 57 </script> | |
| 58 | |
| 59 </body> | |
| 60 </html> | |
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Chromium Code Reviews
Issue 957713004:
[WebCrypto] Split LayoutTests/crypto/subtle into per-algorithm directories (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master