return -code error "Unable to download"
	}
}

namespace eval ::appfs {
	variable cachedir "/tmp/appfs-cache"
	variable ttl 3600
	variable nttl 60
	variable nttl 3600
	variable trusted_cas [list]
	variable platform [::platform::generic]

	proc _hash_sep {hash {seps 4}} {
		for {set idx 0} {$idx < $seps} {incr idx} {
			append retval "[string range $hash [expr {$idx * 2}] [expr {($idx * 2) + 1}]]/"
		}