Signer script to add update verification public key to an image

Change-Id: If51dd4f7d9e84f2f0f30506a3a9c354bc6a4b07b

BUG=chromium-os:7388
TEST=manually tested on an image, verified that the permissions on the copied key were correct.

Review URL: http://codereview.chromium.org/6543027
1 file changed