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How to use the mode function from crypto-js

Find comprehensive JavaScript crypto-js.mode code examples handpicked from public code repositorys.

crypto-js.mode is a property in the CryptoJS library for JavaScript that specifies the block cipher mode used for encryption or decryption.

wenshu_zhuce.js

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},
encrypt: function(b, c, a) {
    if (c) {
        return (CryptoJS.TripleDES.encrypt(b, CryptoJS.enc.Utf8.parse(c), {
            iv: CryptoJS.enc.Utf8.parse(a || DES3.iv()),
            mode: CryptoJS.mode.CBC,
            padding: CryptoJS.pad.Pkcs7
        })).toString()
    }
    return ""

+ 3 other calls in file

wallet-crypto.js

GitHub: Ethereumwallet/online-wallet-hd

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}

// v1: OFB, nopad, 1 iteration
try {
  decrypted = decryptAes(data, password, 1, {
    mode: CryptoJS.mode.OFB,
    padding: CryptoJS.pad.NoPadding});

  if (decrypted !== null && decrypted.length > 0) {
    return decrypted;

+ 9 other calls in file

How does crypto-js.mode work?

The crypto-js.mode property in the CryptoJS library for JavaScript is used to specify the block cipher mode used for encryption or decryption. Block cipher modes are a way of applying a block cipher, like AES or DES, to data that is larger than the cipher's block size. They specify how the input data is divided into blocks, how those blocks are processed, and how they are combined to produce the output. The crypto-js.mode property is set on the CipherParams object that is returned by the CryptoJS.AES.encrypt and CryptoJS.AES.decrypt functions, and determines how the cipher is applied to the input data. The default mode is ECB (Electronic Codebook) mode, but other modes like CBC (Cipher Block Chaining) or CFB (Cipher Feedback) can be specified by setting the mode property on the CipherParams object. For example, you could use crypto-js.mode to specify CBC mode for AES encryption like this: javascript Copy code {{{{{{{ import { AES } from 'crypto-js'; const message = 'Hello, world!'; const key = 'mySecretKey'; const iv = 'myInitializationVector'; const ciphertext = AES.encrypt(message, key, { iv: iv, mode: AES.mode.CBC }); console.log(ciphertext.toString()); In this example, we first import the AES function from the CryptoJS library using the ES6 import statement. We then define a message string that we want to encrypt, a key string to use as the encryption key, and an iv string to use as the initialization vector. We call AES.encrypt with the message string, key, and an object that specifies the iv and mode properties. The mode property is set to AES.mode.CBC to use CBC mode for the encryption. We store the resulting CipherParams object as ciphertext, which includes the encrypted message and the initialization vector. Finally, we log the ciphertext to the console using console.log. In summary, crypto-js.mode is a property in the CryptoJS library for JavaScript that specifies the block cipher mode used for encryption or decryption. Block cipher modes are a way of applying a block cipher to data that is larger than the cipher's block size, and they determine how the input data is divided into blocks, how those blocks are processed, and how they are combined to produce the output. The crypto-js.mode property is set on the CipherParams object returned by the CryptoJS.AES.encrypt and CryptoJS.AES.decrypt functions, and can be used to specify different block cipher modes like CBC or CFB.

demo.js

GitHub: liyf-code/reverse_practice

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function I(X, l) {
    var C = X
        , q = CryptoJS.enc.Utf8.parse(C)
        , v = CryptoJS.TripleDES.decrypt(l, q, {
            'mode': CryptoJS.mode.ECB,
            'padding': CryptoJS.pad.Pkcs7
        });
    return v.toString(CryptoJS.enc.Utf8);
}

qidian.js

GitHub: zt6/github_Wenmoux_checkbox

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    let algorithm = 'des-128-cbc'
    let passwd = '{1dYgqE)h9,R)hKqEcv4]k[h'
    let iv = '01234567'
    str = cryptojs.TripleDES.encrypt("" + data, cryptojs.enc.Utf8.parse(passwd), {
        iv: cryptojs.enc.Utf8.parse(iv),
        mode: cryptojs.mode.CBC,
        padding: cryptojs.pad.Pkcs7
    })
    return str.toString()
}

Ai Example

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import { AES } from "crypto-js";

const message = "Hello, world!";
const key = "mySecretKey";
const iv = "myInitializationVector";

const ciphertext = AES.encrypt(message, key, { iv: iv, mode: AES.mode.CBC });
console.log(ciphertext.toString());

In this example, we first import the AES function from the CryptoJS library using the ES6 import statement. We then define a message string that we want to encrypt, a key string to use as the encryption key, and an iv string to use as the initialization vector. We call AES.encrypt with the message string, key, and an object that specifies the iv and mode properties. The mode property is set to AES.mode.CBC to use CBC mode for the encryption. We store the resulting CipherParams object as ciphertext, which includes the encrypted message and the initialization vector. Finally, we log the ciphertext to the console using console.log. When you run this example in a JavaScript environment like a web browser or Node.js, you should see a ciphertext string logged to the console, representing the encrypted message using AES encryption in CBC mode with the specified key and initialization vector.

%E5%9B%BD%E9%91%AB%E6%89%80.js

GitHub: maxnoodles/js_decrypt

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//<script src="../js/rollups/tripledes.js"></script>
//<script src="../js/components/mode-ecb-min.js"></script>
var key = 'Pog4iu6OqIkKRpDT';
var keyHex = CryptoJS.enc.Utf8.parse(key);
var encrypted = CryptoJS.DES.encrypt(message, keyHex, {
    mode: CryptoJS.mode.ECB,
    padding: CryptoJS.pad.Pkcs7
});
// console.log('直接 toString' + encrypted.toString()) // 对加密结果直接 toString 就是 base64
// var enstr = CryptoJS.enc.Base64.parse(encrypted.toString());

utils.js

GitHub: netease-lcap/lcap

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aesEcbEncrypt(message, key = ';Z#^$;8+yhO!AhGo') {
    // utf8字符串—>WordArray对象，WordArray是一个保存32位整数的数组，相当于转成了二进制
    const keyHex = cryptoJS.enc.Utf8.parse(key);
    const messageHex = cryptoJS.enc.Utf8.parse(message);
    const encrypted = cryptoJS.AES.encrypt(messageHex, keyHex, {
        mode: cryptoJS.mode.ECB,
        padding: cryptoJS.pad.Pkcs7,
    });
    return encrypted.toString(); // base64结果
},

helper.js

GitHub: smdpro/IPG-node

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};
// const signingData = (str, key) => {
//   let keyHex = CryptoJS.enc.Base64.parse(key);
//   return CryptoJS.TripleDES.encrypt(str, keyHex, {
//     iv: keyHex,
//     mode: CryptoJS.mode.ECB,
//     padding: CryptoJS.pad.Pkcs7,
//   }).toString();
// };

zqkd_timerBox.js

GitHub: Jhon-Tobey/Qlself

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    var ivHex = CryptoJS.enc.Utf8.parse(key);
    // direct decrypt ciphertext
    var decrypted = CryptoJS.DES.decrypt(
        {ciphertext: CryptoJS.enc.Base64.parse(message)}, 
        keyHex, 
        {iv:ivHex, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7}
    );
    return decrypted.toString(CryptoJS.enc.Utf8);
}

+ 4 other calls in file

sw-0.js

GitHub: fn-share/account

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  iv = wrapCryptoBuf(iv);
  msg = wrapCryptoBuf(msg);
  
  let encrypted = CryptoJS.AES.encrypt(msg, prv, {
    iv: iv,
    mode: CryptoJS.mode.CTR,
    padding: CryptoJS.pad.ZeroPadding
  });
  return encrypted.ciphertext;  // return CryptoJS.lib.WordArray
}

+ 15 other calls in file

%E7%AC%AC%E4%BA%8C%E4%B8%AAw.js

GitHub: lvjinxinmm/python

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iv = CryptoJS.enc.Utf8.parse(iv);

// var data = '{"gt":"019924a82c70bb123aae90d483087f94","challenge":"f3f54acc6c2de81517344f8fc25c88bd","offline":false,"new_captcha":true,"product":"popup","width":"300px","https":true,"api_server":"apiv6.geetest.com","protocol":"https://","type":"fullpage","static_servers":["static.geetest.com/","dn-staticdown.qbox.me/"],"beeline":"/static/js/beeline.1.0.1.js","voice":"/static/js/voice.1.2.2.js","click":"/static/js/click.3.0.7.js","fullpage":"/static/js/fullpage.9.1.0.js","slide":"/static/js/slide.7.8.9.js","geetest":"/static/js/geetest.6.0.9.js","aspect_radio":{"slide":103,"click":128,"voice":128,"beeline":50},"cc":20,"ww":true,"i":"6148!!7436!!CSS1Compat!!1!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!2!!3!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!-1!!1!!-1!!-1!!-1!!0!!0!!0!!0!!230!!849!!1707!!920!!zh-CN!!zh-CN,zh,en!!-1!!2.25!!24!!Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36!!1!!1!!1707!!960!!1707!!920!!1!!1!!1!!-1!!Win32!!1!!-8!!bc665dae3a1ad081f784803fc723309c!!0!!internal-pdf-viewer,internal-pdf-viewer,internal-pdf-viewer,internal-pdf-viewer,internal-pdf-viewer!!0!!-1!!0!!20!!Arial,ArialBlack,ArialNarrow,Calibri,Cambria,CambriaMath,ComicSansMS,Consolas,Courier,CourierNew,Georgia,Helvetica,Impact,LucidaConsole,LucidaSansUnicode,MicrosoftSansSerif,MSGothic,MSPGothic,MSSansSerif,MSSerif,PalatinoLinotype,SegoePrint,SegoeScript,SegoeUI,SegoeUILight,SegoeUISemibold,SegoeUISymbol,Tahoma,Times,TimesNewRoman,TrebuchetMS,Verdana,Wingdings!!1670253944185!!-1!!-1!!-1!!12!!-1!!-1!!-1!!5!!-1!!-1"}'
var r = CryptoJS.AES.encrypt(e, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC
});

var o = r['ciphertext']['words'];
var i = r['ciphertext']['sigBytes'];

index.js

GitHub: everygit/xiaoer

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 */
function aes(pwd, options) {
    var key = pwd;
    // get options
    var opt = options || {};
    opt.mode = opt.mode || CryptoJS.mode.CBC;
    opt.padding = opt.padding || CryptoJS.pad.Pkcs7;
    
    // 
    if(opt.iv) {

+ 3 other calls in file

Other functions in crypto-js

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crypto-js.AES is the most popular function in crypto-js (907 examples)

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