caiguanhao/grunt-ziti — pull request #1 by wangjingfei (2014-09-28 15:56:02+00:00)
Title: Fix error: Fatal error: subset exited with code: 255

It is because functions from Digest::* modules doesn't support wide characters.
You need to convert your string to bytes.

@See https://groups.google.com/forum/#!topic/mojolicious/cl5RV0gtzY8