Nodejs String to Byte Convert getBytes()

Method Source Code

var crypto = require('crypto')

String.prototype.getBytes = function () {
  var bytes = [];
  for (var i = 0; i < this.length; ++i) {
    bytes.push(this.charCodeAt(i));//from   w w w . j a va  2 s  . com
  }
  return bytes;
};

module.exports = function convert(secretKey) {
  var message = 'SendRawEmail'
  var version = new Buffer([0x02])
  var signature = crypto.createHmac('sha256', new Buffer(secretKey.getBytes())).update(message).digest()
  var sigAndVer = Buffer.concat([version, signature])
  
  return sigAndVer.toString('base64')
}

Related

1. getBytes()

   String.prototype.getBytes = function() {   
         var cArr = this.match(/[^\x00-\xff]/ig);   
         return this.length + (cArr == null ? 0 : cArr.length*2);   
   

2. getBytes()

   String.prototype.getBytes = function () {
       var bytes = [];
       for (var i = 0; i < this.length; i++) {
           bytes.push(this.charCodeAt(i));
       return bytes;
   };
   

3. getBytes()

   function addAll(arr1, arr2) {
     var i=0;
     for(i=0;i<arr2.length;i++) {
       arr1.push(arr2[i]);
   String.prototype.getBytes = function() {
       return encodeURIComponent(this).replace(/%../g, 'x').length;
   };
   ...
   

4. toByteString()

   String.prototype.toByteString = function()
      var ar = this.split(' '),
        res = "";
      for(var i = 0; i < ar.length; ++i)
       res += String.fromCharCode( parseInt(ar[i], 16) );
      return res;
   ...
   

5. toBytes()

   String.prototype.toBytes = function () {
     var bytes = [];
     for (var i = 0; i < this.length; ++i) {
         bytes.push(this.charCodeAt(i));
     return bytes;
   };
   

6. toBytes()

   String.prototype.toBytes = function () {
     var i, ii, bytes = [];
     for (i = 0, ii = this.length; i < ii; i += 1) {
       bytes.push(this.charCodeAt(i));
     return bytes;
   };
   

7. toBytes()

   String.prototype.toBytes = String.prototype.toBytes || function () {
       var BYTE = 8,
           BYTES = 2,
           MAX = Math.pow(2,BYTE)-1,
           c = '',
           buf,
           len = this.length,
           bytes = [];
       for (var i = 0; i < len; i++) {
   ...