#
# Test Vectors
#
#
# Get string or hex string value
#
proc get_value {type data {count 1}} {
# Handle hex string
if {$type eq "s" && [string length $data] > 0 && [string index $data 0] ne "\""} {
set data [format {[binary decode hex %s]} $data]
}
if {$type eq "s" && $count > 1} {
set data [format {[string repeat %s %d]} $data $count]
}
return $data
}
#
# Create test case and output to test file
#
proc do_test {group cipher test_num tc params fn} {
array set config [list iterations 1 repeat 1]
array set config $params
# Test info
set line [format "tcltest::test %s-%d.%d {%s %s} \\\n\t" $group $test_num $tc [string totitle $fn] $cipher]
# Test constraints
append line [format "-constraints %s \\\n\t" [string map [list "-" "_"] $cipher]]
# Test body
set cmd [format "tls::%s -cipher %s -padding 0 \\\n\t\t" $fn $cipher]
if {$fn eq "encrypt"} {
set list1 [list plaintext msg data]
set list2 [list ciphertext output result]
} else {
set list1 [list ciphertext output result]
set list2 [list plaintext msg data]
}
# Add test parameters
foreach {param names type} [list -key [list key] s -iv [list iv nonce] s -data $list1 s] {
foreach name $names {
if {[info exists config($name)]} {
set data [get_value $type $config($name)]
if {$data ne ""} {
if {$param ne "-data" || $config(iterations) == 1} {
append cmd " " $param " " $data " \\\n\t\t"
} else {
set cmd [string cat "set data " $data ";for \{set i 0\} \{\$i < " $config(iterations) "\} \{incr i\} \{set data \[" $cmd " " $param " \$data\]\};set data"]
}
}
break
}
}
}
append line [format {-body {binary encode hex [%s]}} [string trimright $cmd " \\\n\t"]]
append line " \\\n\t"
# Test cleanup
# Test result
foreach key $list2 {
if {[info exists config($key)]} {
append line [format {-match exact -result %s} [string tolower $config($key)]]
break
}
}
# Return codes
#append line { -returnCodes 0}
return $line
}
#
# Parse test vector file and get test cases config info
#
proc parse {group filename test_num cipher} {
set tc 0
set params [list]
# Open input file
if {[catch {open $filename r} ch]} {
return -code error $ch
}
# Open output file
if {[catch {open [format "%s.test" [file rootname $filename]] w} out]} {
return -code error $ch
}
# Add config info
puts $out [format "# Auto generated from \"%s\"" [file tail $filename]]
puts $out [format "lappend auto_path %s" {[file dirname [file dirname [file dirname [file dirname [file join [pwd] [info script]]]]]]}]
puts $out "package require tls"
puts $out "package require tcltest\n"
puts $out "catch {tls::provider legacy}"
puts $out [format "tcltest::testConstraint %s %s" [string map [list "-" "_"] $cipher] \
[format {[expr {[lsearch -nocase [tls::ciphers] %s] > -1}]} $cipher]]
puts $out ""
# Process file
while {![eof $ch]} {
gets $ch line
set line [string trim $line]
set len [string length $line]
if {[string index $line 0] in [list "#" "\["]} {
# Skip comments and info lines
continue
} elseif {$len == 0} {
if {[llength $params] > 0} {
# Do test if end of params
puts $out [do_test $group $cipher $test_num [incr tc] $params encrypt]
puts $out ""
puts $out [do_test $group $cipher $test_num [incr tc] $params decrypt]
puts $out ""
set params [list]
} else {
# Empty line
}
} else {
# Append args to params
set index [string first "=" $line]
if {$index > -1} {
set key [string trim [string range $line 0 [expr {$index - 1}]]]
set value [string trim [string range $line [expr {$index + 1}] end]]
lappend params [string tolower $key] $value
}
}
}
# Handle last test case
if {[llength $params] > 0} {
puts $out [do_test $group $cipher $test_num [incr tc] $params encrypt]
puts $out ""
puts $out [do_test $group $cipher $test_num [incr tc] $params decrypt]
puts $out ""
}
# Cleanup
puts $out "# Cleanup\n::tcltest::cleanupTests\nreturn"
close $ch
close $out
}
#
# Read all config files in directory
#
proc main {path} {
set test_num 0
set group [file rootname [file tail $path]]
foreach filename [glob -directory $path *.txt] {
puts [format "Processing %s" $filename]
set tail [file tail $filename]
if {[string match -nocase "Readme.txt" $tail]} {
continue
}
set cipher [string trim [file rootname [file tail $filename]]]
set id [format "%s_%s" $group $cipher]
set test_num [incr test_ids($id)]
parse $id $filename $test_num $cipher
}
}
main [pwd]
exit
