Canon cameras already have ethernet ports. I'd much rather the camera support iSCSI so that I can mount a network block device and save to that. I wouldn't trus

Canon cameras already have ethernet ports. I'd much rather the camera support iSCSI so that I can mount a network block device and save to that. I wouldn't trust any consumer electronics crypto support. The form factor of an embedded Linux box with an Ethernet port, an SSD, and a hardware power switch would be pretty tiny. It could be done in the shape of an autowinder.