How to use the pseudoRandomBytes function from crypto

app.js

GitHub: joeferner/redis-commander

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function comparePasswords(a, b) {
  // make shure booth buffers have same length and make time comparision attacks to
  // guess pw length harder by calculation fixed length hmacs first
  let key = crypto.pseudoRandomBytes(32);
  let bufA = crypto.createHmac('sha256', key).update(a).digest();
  let bufB = crypto.createHmac('sha256', key).update(b).digest();

  let ret = true;

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processbuilder.js

GitHub: TGS-Network/TGSLauncher

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/**
 * Convienence method to run the functions typically used to build a process.
 */
build(){
    fs.ensureDirSync(this.gameDir)
    const tempNativePath = path.join(os.tmpdir(), ConfigManager.getTempNativeFolder(), crypto.pseudoRandomBytes(16).toString('hex'))
    process.throwDeprecation = true
    this.setupLiteLoader()
    logger.info('Using liteloader:', this.usingLiteLoader)
    const modObj = this.resolveModConfiguration(ConfigManager.getModConfiguration(this.server.getID()).mods, this.server.getModules())

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tmp.js

GitHub: ds-sampaio/ClicouChegouApp

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// make sure that we do not fail because we ran out of entropy
try {
  rnd = crypto.randomBytes(howMany);
} catch (e) {
  rnd = crypto.pseudoRandomBytes(howMany);
}

for (var i = 0; i < howMany; i++) {
  value.push(RANDOM_CHARS[rnd[i] % RANDOM_CHARS.length]);

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+ 3 other calls in file

crypto.js

GitHub: GaborSzaboHUN/weather-app-react.github.io

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pbkdf2Sync: { enumerable: true, value: bind(crypto, crypto.pbkdf2Sync) },
privateDecrypt: { enumerable: true, value: bind(crypto, crypto.privateDecrypt) },
privateEncrypt: { enumerable: true, value: bind(crypto, crypto.privateEncrypt) },
prng: { enumerable: true, value: bind(crypto, crypto.prng) },
pseudoRandomBytes: { enumerable: true, value: promisify(crypto, crypto.pseudoRandomBytes, 1) },
pseudoRandomBytesSync: { enumerable: true, value: crypto.pseudoRandomBytes.bind(crypto) },
publicDecrypt: { enumerable: true, value: bind(crypto, crypto.publicDecrypt) },
publicEncrypt: { enumerable: true, value: bind(crypto, crypto.publicEncrypt) },
randomBytes: { enumerable: true, value: promisify(crypto, crypto.randomBytes, 1) },
randomBytesSync: { enumerable: true, value: crypto.randomBytes.bind(crypto) },

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faviconUpload.js

GitHub: omar-101/devo-admin

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const uploadDir = '.' + faviconUploadDir;
const faviconUpload = app => {
    var storage = multer.diskStorage({
        destination: uploadDir,
        filename: function (req, file, cb) {
            crypto.pseudoRandomBytes(16, function (err, raw) {console.log('errerr',err)
                if (err) return cb(err);


                let ext;

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test-crypto-domains.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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      throw new Error('randomBytes');
    });
  }


  function three() {
    crypto.pseudoRandomBytes(4, function() {
      throw new Error('pseudoRandomBytes');
    });
  }
});

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index.js

GitHub: NJUyd2001/2023_NJUspringE-

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    // without enough entropy).
    //
    // However, due to a change in Node 0.10.27+, pseudoRandomBytes is now the
    // same as randomBytes, and may in fact block in situations where
    // insufficent entropy is available.
    return crypto.pseudoRandomBytes(4).toString('hex')
  }
}

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peer.js

GitHub: Zuz99/stratum-pool

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    util.packUInt32LE(options.protocolVersion),
    networkServices,
    util.packInt64LE(Date.now() / 1000 | 0),
    emptyNetAddress, //addr_recv, can be empty
    emptyNetAddress, //addr_from, can be empty
    crypto.pseudoRandomBytes(8), //nonce, random unique ID
    userAgent,
    blockStartHeight,
    relayTransactions
]);

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