@@ -8,13 +8,10 @@
 
 set auto_path [concat [list [file dirname [file dirname [info script]]]] $auto_path]
 
 package require tls
 
-# Constraints
-source common.tcl
-
 # Helper functions - See common.tcl
 proc read_chan {filename args} {set ch [open $filename rb];set bsize [fconfigure $ch -buffersize];set new [{*}$args -chan $ch];set dat "";while {![eof $new]} {append dat [read $new $bsize]};close $new;return $dat}
 proc write_chan {filename data args} {set ch [open $filename wb];set new [{*}$args -chan $ch];puts -nonewline $new $data;flush $new;close $new;set ch [open $filename rb];set dat [read $ch];close $ch;return $dat}
 proc accumulate {string args} {set cmd [{*}$args -command dcmd];set ::dat "";append ::dat [$cmd update [string range $string 0 20]];append ::dat [$cmd update [string range $string 21 end]];append ::dat [$cmd finalize]}
 proc get_file_hex {filename} {set ch [open $filename rb];set data [read $ch];close $ch;return [binary encode hex $data]}