Merge pull request #9 from crypto-browserify/cleanup

clean up/rename the md5 stuff

make-hash.js

@@ -0,0 +1,30 @@
+'use strict'
+var intSize = 4
+var zeroBuffer = new Buffer(intSize)
+zeroBuffer.fill(0)
+
+var charSize = 8
+var hashSize = 16
+
+function toArray (buf) {
+  if ((buf.length % intSize) !== 0) {
+    var len = buf.length + (intSize - (buf.length % intSize))
+    buf = Buffer.concat([buf, zeroBuffer], len)
+  }
+
+  var arr = new Array(buf.length >>> 2)
+  for (var i = 0, j = 0; i < buf.length; i += intSize, j++) {
+    arr[j] = buf.readInt32LE(i)
+  }
+
+  return arr
+}
+
+module.exports = function hash (buf, fn) {
+  var arr = fn(toArray(buf), buf.length * charSize)
+  buf = new Buffer(hashSize)
+  for (var i = 0; i < arr.length; i++) {
+    buf.writeInt32LE(arr[i], i << 2, true)
+  }
+  return buf
+}

md5.js

@@ -8,7 +8,7 @@
  * See http://pajhome.org.uk/crypt/md5 for more info.
  */
 
-var helpers = require('./helpers')
+var makeHash = require('./make-hash')
 
 /*
  * Calculate the MD5 of an array of little-endian words, and a bit length
@@ -147,5 +147,5 @@ function bit_rol (num, cnt) {
 }
 
 module.exports = function md5 (buf) {
-  return helpers.hash(buf, core_md5, 16)
+  return makeHash(buf, core_md5)
 }