Hi,
leader from forum.opentvix.com has maybe found a way to sign or resign code.
http://tvixer.menczel.hu/nmsha1_1.0.tar.gz (http://tvixer.menczel.hu/nmsha1_1.0.tar.gz)
CU
9000h
unfortunately this tool can only recaculate the XENV sha1.
but I don't see the need for this, since the yamon "setxenv" command and also the "genxenv" command (standard SDK tool) that is available on the NMT based devices
automatically update the sha1 when a new key is added or updated.