Better README

README.md

@@ -7,15 +7,34 @@ are implemented for your education or for testing purposes and should not be use
 Installation
 -------------
 
-You install it just like any other Ruby gem:
+One day I'll learn how to make gems. Until then, git clone is the only way to use this softawre.
-
-    gem install hsmr
 
 Usage
 ---------
 
-    require 'hsmr'
+    require './lib/hsmr'
+    require './lib/key'
+    require './lib/component'
 
+    # Create a Key
+    > key=HSMR::Key.new("4CA2161637D0133E5E151AEA45DA2A12")
+    => 4CA2 1616 37D0 133E 5E15 1AEA 45DA 2A12 
+    > key.key
+    => "L\xA2\x16\x167\xD0\x13>^\x15\x1A\xEAE\xDA*\x12" 
+    > key.to_s
+    => "4CA2 1616 37D0 133E 5E15 1AEA 45DA 2A12" 
+    > key.kcv
+    => "7B0898" 
+    > key.parity
+    => "odd" 
+  
+    # Generate a PVV
+
+    pan="5999997890123412"
+    pin="1234"
+    pvki="1"
+    pvv = HSMR.pvv(key, pan, pvki, pin)
+    => "0798"
 
 Author
 ==========