initial commit with working implementation, readme and license

spec/md5_spec.lua

@@ -0,0 +1,28 @@
+local md5 = require('md5')
+
+local function hex2bin(hex)
+  local result, _ = hex:gsub('..', function(hexval)
+    return string.char(tonumber(hexval, 16))
+  end)
+  return result
+end
+
+describe('md5', function()
+  describe('md5.sumhexa', function()
+    it('works', function()
+      assert.equal(md5.sumhexa("asdf"), '912ec803b2ce49e4a541068d495ab570')
+      assert.equal(md5.sumhexa('The quick brown fox jumps over the lazy dog'), '9e107d9d372bb6826bd81d3542a419d6')
+      assert.equal(md5.sumhexa('The quick brown fox jumps over the lazy dog.'), 'e4d909c290d0fb1ca068ffaddf22cbd0')
+      assert.equal(md5.sumhexa(''), 'd41d8cd98f00b204e9800998ecf8427e')
+    end)
+  end)
+
+  describe('md5.sum', function()
+    it('works', function()
+      assert.equal(md5.sum("asdf"), hex2bin '912ec803b2ce49e4a541068d495ab570')
+      assert.equal(md5.sum('The quick brown fox jumps over the lazy dog'), hex2bin'9e107d9d372bb6826bd81d3542a419d6')
+      assert.equal(md5.sum('The quick brown fox jumps over the lazy dog.'), hex2bin'e4d909c290d0fb1ca068ffaddf22cbd0')
+      assert.equal(md5.sum(''), hex2bin'd41d8cd98f00b204e9800998ecf8427e')
+    end)
+  end)
+end)