package require tls

# Make sure path includes location of OpenSSL executable
if {[info exists ::env(OPENSSL)]} {set ::env(path) [string cat [file join $::env(OPENSSL) bin] ";" $::env(path)]}

# Constraints
source [file join [file dirname [info script]] common.tcl]

# Helper functions
proc lcompare {list1 list2} {set m "";set u "";foreach i $list1 {if {$i ni $list2} {lappend m $i}};foreach i $list2 {if {$i ni $list1} {lappend u $i}};return [list "missing" $m "unexpected" $u]}
proc exec_get {delim args} {return [split [exec openssl {*}$args] $delim]}
proc exec_get_ciphers {} {set list [list];set data [exec openssl list -cipher-algorithms];foreach line [split $data "\n"] {foreach {cipher null alias} [split [string trim $line]] {lappend list [string tolower $cipher]}};return [lsort -unique $list]}
proc exec_get_digests {} {set list [list];set data [exec openssl dgst -list];foreach line [split $data "\n"] {foreach digest $line {if {[string match "-*" $digest]} {lappend list [string trimleft $digest "-"]}}};return [lsort $list]}
proc exec_get_pkeys {} {set list [list];set data [exec openssl list -public-key-methods];foreach line [split $data "\n"] {if {![string match "*Type:*" $line]} {lappend list [string trim $line]}};return $list}