update to ruby 1.9. add command line version (passyquick.rb).

hmac.rb

@@ -32,6 +32,11 @@ def byte_string(byte, length)
 	([byte]*length).pack('C*')
 end
 
+# helper to make a 'length' long string filled with 'byte'
+def byte_array(byte, length)
+	([byte]*length)
+end
+
 # hmac algorithm - returns text version of hmac
 def hmac(key, data, digest_object, blocksize)
 	# if key is too long, hash it
@@ -41,12 +46,12 @@ def hmac(key, data, digest_object, blocksize)
 	key += byte_string(0,blocksize - key.size) if key.size < blocksize
 
 	# create pads
-	ipad = byte_string(0x36,blocksize)
-	opad = byte_string(0x5c,blocksize)
-	blocksize.times { |i| ipad[i] ^= key[i]; opad[i] ^= key[i] }
+	ipad = byte_array(0x36,blocksize)
+	opad = byte_array(0x5c,blocksize)
+	blocksize.times { |i| ipad[i] ^= key[i].ord; opad[i] ^= key[i].ord }
 
 	# do the HMAC and return
-	digest_object.hexdigest( opad + digest_object.digest( ipad + data ) )
+	digest_object.hexdigest( opad.pack('C*') + digest_object.digest( ipad.pack('C*') + data ) )
 end
 
 # hmac-md5