add readme

lua/toolkit/encryption/readme.md

@@ -0,0 +1,3 @@
+# encryption utils
+
+cocos2d-x项目中经常使用的加密/压缩算法的Lua53绑定

lua/toolkit/encryption/test.lua

@@ -27,7 +27,9 @@ local function hex_to_str(s)
   end)
 end
 
-local blowfish_key = blowfish.new(hex_to_str('hello blowfish key'))
+local s = hex_to_str('hello blowfish key')
+print(#s, dump_string(s))
+local blowfish_key = blowfish.new(s)
 
 local fc = '123'
 local ec, rl = blowfish_key:encrypt(fc)