| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script src="resources/common.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| |
| <script> |
| description("Tests crypto.subtle.encrypt() using a BufferSource that is modified during algorithm normalization"); |
| |
| jsTestIsAsync = true; |
| |
| data = null; |
| key = null; |
| |
| var keyData = hexStringToUint8Array("2b7e151628aed2a6abf7158809cf4f3c"); |
| var iv = hexStringToUint8Array("000102030405060708090a0b0c0d0e0f"); |
| var kPlainText = "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"; |
| var kExpectedCipherTextHex = "7649abac8119b246cee98e9b12e9197d5086cb9b507219ee95db113a917678b273bed6b8e3c1743b7116e69e222295163ff1caa1681fac09120eca307586e1a78cb82807230e1321d3fae00d18cc2012"; |
| var plainText = hexStringToUint8Array(kPlainText); |
| // This is the plaintext resulting from corruptPlainText. |
| var kModifiedPlainText = ""; |
| |
| function corruptPlainText() |
| { |
| debug("Corrupted plainText"); |
| |
| debug("Neutering plainText..."); |
| try { postMessage(plainText, "xxx", [plainText.buffer]); } catch (e) { } |
| shouldBe("plainText.byteLength", "0"); |
| } |
| |
| var extractable = true; |
| var usages = ['encrypt', 'decrypt']; |
| |
| debug("Importing key..."); |
| crypto.subtle.importKey('raw', keyData, "aes-cbc", extractable, usages).then(function(result) { |
| key = result; |
| |
| debug("\nEncrypting (as a control group)..."); |
| return crypto.subtle.encrypt({name: "aes-cbc", iv: iv}, key, plainText); |
| }).then(function(result) { |
| bytesShouldMatchHexString("Encryption", kExpectedCipherTextHex, result); |
| |
| // This algorithm has custom getters that modifies plainText. |
| var algorithm = { |
| get name() { |
| debug("Accessed name property"); |
| corruptPlainText(); |
| return 'aes-cbc'; |
| }, |
| |
| iv: iv, |
| }; |
| |
| debug("\nEncrypting again, using an algorithm that mutates the array buffer..."); |
| return crypto.subtle.encrypt(algorithm, key, plainText); |
| }).then(function(result) { |
| bytesShouldMatchHexString("plainText", kModifiedPlainText, plainText); |
| bytesShouldMatchHexString("Encryption", kExpectedCipherTextHex, result); |
| }).then(finishJSTest, failAndFinishJSTest); |
| </script> |
| |
| </body> |
| </html> |
