trezor/trezor.js — pull request #2 by conejoninja (2014-09-07 16:10:49+00:00)
Title: Added verifyMessage support 

signature and message have to be in Hex format, not sure if add automatic conversion or not.
It returns a "Message verified" on success or "Signature invalid" on fail.

Note: It will fail if the message is too long (around 170chars is ok, need more test)