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Node.js operates audio and video files to encrypt them

php中世界最好的语言
php中世界最好的语言Original
2018-04-18 15:19:501847browse

This time I will bring you node.jsOperation soundVideo file encryption, node.js operation audio and video file encryptionNotesWhat are they? The following is a practical case. Let’s take a look.

fs.readFile('./downsuccess/'+name+'', {flag: 'r+', encoding: ''}, function (err, data) {
          console.log('读取中')
          if(err) {
            return;
          }
          let b = new Buffer(data);
          let c = b.toString('hex');
          let cipherBuffer = _this.cipher(data);
          fs.writeFile('./downsuccess/'+name+'',cipherBuffer,[],function(){
            console.log(`${name}加密完成`);
            _this.downAll(_this.downList,_this.downCall)
          })
        });
export function cipher (buf) {
  var encrypted = "";
  var cip = crypto.createCipher('rc4', '密匙');
  encrypted += cip.update(buf, 'hex', 'hex');
  encrypted += cip.final('hex');
  return encrypted
};

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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