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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("Tests encrypt/decrypt for AES-CBC"); | |
| 13 | |
| 14 jsTestIsAsync = true; | |
| 15 | |
| 16 // ------------------------------------------------- | |
| 17 // Successful encryption/decryption | |
| 18 // ------------------------------------------------- | |
| 19 | |
| 20 // Test vectors marked with [1] were copied from: | |
| 21 // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf | |
| 22 // | |
| 23 // The NIST tests do not have a padding block. To match the WebCrypto | |
| 24 // expectations, a PKCS#5 padding block has been added. | |
| 25 | |
| 26 var kAesCbcSuccessVectors = [ | |
| 27 // 128-bit key with plaintext that is an exact multiple of block size. | |
| 28 // Derived from [1] F.2.1 (CBC-AES128.Encrypt), by adding padding block. | |
| 29 { | |
| 30 key: "2b7e151628aed2a6abf7158809cf4f3c", | |
| 31 iv: "000102030405060708090a0b0c0d0e0f", | |
| 32 plainText: "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51
30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", | |
| 33 cipherText: "7649abac8119b246cee98e9b12e9197d5086cb9b507219ee95db113a917678b
273bed6b8e3c1743b7116e69e222295163ff1caa1681fac09120eca307586e1a7" + | |
| 34 // Padding block. | |
| 35 "8cb82807230e1321d3fae00d18cc2012" | |
| 36 }, | |
| 37 | |
| 38 // 256-bit key, where final block of plaintext has to pad by 3. | |
| 39 // Derived from [1] F.2.6 CBC-AES256.Decrypt, by stripping 3 bytes off | |
| 40 // plaintext and adding padding block. | |
| 41 { | |
| 42 key: "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4", | |
| 43 iv: "000102030405060708090a0b0c0d0e0f", | |
| 44 plainText: "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51
30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be6", | |
| 45 cipherText: "f58c4c04d6e5f1ba779eabfb5f7bfbd69cfc4e967edb808d679f777bc6702c7
d39f23369a9d9bacfa530e26304231461c9aaf02a6a54e9e242ccbf48c59daca6" | |
| 46 }, | |
| 47 | |
| 48 // 128-bit key, with empty plaintext. | |
| 49 // Derived from Chromium's EncryptorTest.EmptyEncrypt() (encryptor_unittest.cc
) | |
| 50 { | |
| 51 key: "3132383d5369787465656e4279746573", | |
| 52 iv: "5377656574205369787465656e204956", | |
| 53 plainText: "", | |
| 54 cipherText: "8518b8878d34e7185e300d0fcc426396" | |
| 55 }, | |
| 56 ]; | |
| 57 | |
| 58 function runAesCbcSuccessTestCase(testCase) | |
| 59 { | |
| 60 var algorithm = {name: 'aes-cbc', iv: hexStringToUint8Array(testCase.iv)}; | |
| 61 | |
| 62 var key = null; | |
| 63 var keyData = hexStringToUint8Array(testCase.key); | |
| 64 var usages = ['encrypt', 'decrypt']; | |
| 65 var extractable = false; | |
| 66 | |
| 67 // (1) Import the key | |
| 68 return crypto.subtle.importKey('raw', keyData, algorithm, extractable, usage
s).then(function(result) { | |
| 69 key = result; | |
| 70 | |
| 71 // shouldBe() can only resolve variables in global context. | |
| 72 tmpKey = key; | |
| 73 shouldEvaluateAs("tmpKey.type", "secret"); | |
| 74 shouldEvaluateAs("tmpKey.extractable", false); | |
| 75 shouldEvaluateAs("tmpKey.algorithm.name", "AES-CBC"); | |
| 76 shouldEvaluateAs("tmpKey.algorithm.length", keyData.byteLength * 8); | |
| 77 shouldEvaluateAs("tmpKey.usages.join(',')", "encrypt,decrypt"); | |
| 78 | |
| 79 // (2) Encrypt. | |
| 80 return crypto.subtle.encrypt(algorithm, key, hexStringToUint8Array(testC
ase.plainText)); | |
| 81 }).then(function(result) { | |
| 82 bytesShouldMatchHexString("Encryption", testCase.cipherText, result); | |
| 83 | |
| 84 // (3) Decrypt | |
| 85 return crypto.subtle.decrypt(algorithm, key, hexStringToUint8Array(testC
ase.cipherText)); | |
| 86 }).then(function(result) { | |
| 87 bytesShouldMatchHexString("Decryption", testCase.plainText, result); | |
| 88 }); | |
| 89 } | |
| 90 | |
| 91 var lastPromise = Promise.resolve(null); | |
| 92 | |
| 93 kAesCbcSuccessVectors.forEach(function(test) { | |
| 94 lastPromise = lastPromise.then(runAesCbcSuccessTestCase.bind(null, test)); | |
| 95 }); | |
| 96 | |
| 97 lastPromise.then(finishJSTest, failAndFinishJSTest); | |
| 98 | |
| 99 </script> | |
| 100 | |
| 101 </body> | |
| 102 </html> | |
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