Refactor src/crypto/hash/*.js to use import & export

src/crypto/hash/index.js

@@ -8,13 +8,14 @@
 
 'use strict';
 
-var sha = require('./sha.js'),
+import sha from './sha.js';
-  asmCrypto = require('asmcrypto-lite'),
+import asmCrypto from 'asmcrypto-lite';
-  Rusha = require('rusha'),
+import Rusha from 'rusha';
-  rusha = new Rusha(),
+import md5 from './md5.js';
-  md5 = require('./md5.js'),
+import ripemd from './ripe-md.js';
-  ripemd = require('./ripe-md.js'),
+import util from '../../util.js';
-  util = require('../../util.js'),
+
+const rusha = new Rusha(),
   nodeCrypto = util.getNodeCrypto(),
   Buffer = util.getNodeBuffer();
 

src/crypto/hash/md5.js

@@ -19,17 +19,17 @@
 
 'use strict';
 
-var util = require('../../util.js');
+import util from '../../util.js';
 
 /**
  * MD5 hash
  * @param {String} entree string to hash
  */
-module.exports = function (entree) {
+export default function(entree) {
   var hex = md5(util.Uint8Array2str(entree));
   var bin = util.str2Uint8Array(util.hex2bin(hex));
   return bin;
-};
+}
 
 function md5cycle(x, k) {
   var a = x[0],

src/crypto/hash/ripe-md.js

@@ -28,7 +28,7 @@
  * @module crypto/hash/ripe-md
  */
 
-var util = require('../../util.js');
+import util from '../../util.js';
 
 var RMDsize = 160;
 var X = [];
@@ -289,7 +289,7 @@ function RMD(message) {
 }
 
 
-function RMDstring(message) {
+export default function RMDstring(message) {
   var hashcode = RMD(util.Uint8Array2str(message));
   var retString = "";
 
@@ -299,5 +299,3 @@ function RMDstring(message) {
 
   return util.str2Uint8Array(retString);
 }
-
-module.exports = RMDstring;