| <!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 encrypt/decrypt for AES-CBC"); |
| |
| jsTestIsAsync = true; |
| |
| // ------------------------------------------------- |
| // Successful encryption/decryption |
| // ------------------------------------------------- |
| |
| // Test vectors marked with [1] were copied from: |
| // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf |
| // |
| // The NIST tests do not have a padding block. To match the WebCrypto |
| // expectations, a PKCS#5 padding block has been added. |
| |
| var kAesCbcSuccessVectors = [ |
| // 128-bit key with plaintext that is an exact multiple of block size. |
| // Derived from [1] F.2.1 (CBC-AES128.Encrypt), by adding padding block. |
| { |
| key: "2b7e151628aed2a6abf7158809cf4f3c", |
| iv: "000102030405060708090a0b0c0d0e0f", |
| plainText: "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", |
| cipherText: "7649abac8119b246cee98e9b12e9197d5086cb9b507219ee95db113a917678b273bed6b8e3c1743b7116e69e222295163ff1caa1681fac09120eca307586e1a7" + |
| // Padding block. |
| "8cb82807230e1321d3fae00d18cc2012" |
| }, |
| |
| // 256-bit key, where final block of plaintext has to pad by 3. |
| // Derived from [1] F.2.6 CBC-AES256.Decrypt, by stripping 3 bytes off |
| // plaintext and adding padding block. |
| { |
| key: "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4", |
| iv: "000102030405060708090a0b0c0d0e0f", |
| plainText: "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be6", |
| cipherText: "f58c4c04d6e5f1ba779eabfb5f7bfbd69cfc4e967edb808d679f777bc6702c7d39f23369a9d9bacfa530e26304231461c9aaf02a6a54e9e242ccbf48c59daca6" |
| }, |
| |
| // 128-bit key, with empty plaintext. |
| // Derived from Chromium's EncryptorTest.EmptyEncrypt() (encryptor_unittest.cc) |
| { |
| key: "3132383d5369787465656e4279746573", |
| iv: "5377656574205369787465656e204956", |
| plainText: "", |
| cipherText: "8518b8878d34e7185e300d0fcc426396" |
| }, |
| ]; |
| |
| function runAesCbcSuccessTestCase(testCase) |
| { |
| var algorithm = {name: 'aes-cbc', iv: hexStringToUint8Array(testCase.iv)}; |
| |
| var key = null; |
| var keyData = hexStringToUint8Array(testCase.key); |
| var usages = ['encrypt', 'decrypt']; |
| var extractable = false; |
| |
| // (1) Import the key |
| return crypto.subtle.importKey('raw', keyData, algorithm, extractable, usages).then(function(result) { |
| key = result; |
| |
| // shouldBe() can only resolve variables in global context. |
| tmpKey = key; |
| shouldEvaluateAs("tmpKey.type", "secret"); |
| shouldEvaluateAs("tmpKey.extractable", false); |
| shouldEvaluateAs("tmpKey.algorithm.name", "AES-CBC"); |
| shouldEvaluateAs("tmpKey.algorithm.length", keyData.byteLength * 8); |
| shouldEvaluateAs("tmpKey.usages.join(',')", "encrypt,decrypt"); |
| |
| // (2) Encrypt. |
| return crypto.subtle.encrypt(algorithm, key, hexStringToUint8Array(testCase.plainText)); |
| }).then(function(result) { |
| bytesShouldMatchHexString("Encryption", testCase.cipherText, result); |
| |
| // (3) Decrypt |
| return crypto.subtle.decrypt(algorithm, key, hexStringToUint8Array(testCase.cipherText)); |
| }).then(function(result) { |
| bytesShouldMatchHexString("Decryption", testCase.plainText, result); |
| }); |
| } |
| |
| var lastPromise = Promise.resolve(null); |
| |
| kAesCbcSuccessVectors.forEach(function(test) { |
| lastPromise = lastPromise.then(runAesCbcSuccessTestCase.bind(null, test)); |
| }); |
| |
| lastPromise.then(finishJSTest, failAndFinishJSTest); |
| |
| </script> |
| |
| </body> |
| </html> |
