File tests/encrypt.test from the latest check-in

# Auto generated test cases for encrypt.csv

# Load Tcl Test package
if {[lsearch [namespace children] ::tcltest] == -1} {
	package require tcltest
	namespace import ::tcltest::*
}

set auto_path [concat [list [file dirname [file dirname [info script]]]] $auto_path]

package require tls

# 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]
}

proc get_file_text {filename} {
    set ch [open $filename r]
    set data [read $ch]
    close $ch
    return $data
}


set test_data "Example string for message digest tests.\n"
set unencrypted_file "unencrypted_data.dat"
set encrypted_file "encrypted_data.dat"
set alt_file "result_data.dat"
set test_key "Example key"
set test_iv "Example iv"
::tcltest::makeFile $test_data $unencrypted_file

# Test encrypt data
set cipher aes-128-cbc
set hex_string "3cea034398de64507abbc7bcf6acba55c7011100c9015c22b3c9c331d18479fed5e542ce02a3b89a0f750daf8e2a494e"


test Encrypt_Decrypt_Data-1.1 {Encrypt aes-138-cbc} -body {
	binary encode hex [set data [tls::encrypt -cipher $cipher -key $test_key -iv $test_iv -data $test_data]]
    } -result $hex_string

test Encrypt_Decrypt_Data-1.2 {Decrypt aes-128-cbc} -body {
	tls::decrypt -cipher $cipher -key $test_key -iv $test_iv -data $data
    } -result $test_data

# Test encrypt file


test Encrypt_Decrypt_File-2.1 {Encrypt aes-138-cbc} -body {
	tls::encrypt -cipher $cipher -key $test_key -iv $test_iv -infile $unencrypted_file -outfile $encrypted_file
	get_file_hex $encrypted_file
    } -result $hex_string

test Encrypt_Decrypt_File-2.2 {Decrypt aes-128-cbc} -body {
	tls::decrypt -cipher $cipher -key $test_key -iv $test_iv -infile $encrypted_file -outfile $alt_file
	get_file_text $alt_file
    } -result $test_data

# Test encrypt using object command


test Encrypt_Decrypt_Command-3.1 {Encrypt aes-138-cbc} -body {
	accumulate $test_data tls::encrypt -cipher $cipher -key $test_key -iv $test_iv
	binary encode hex $::dat
    } -result $hex_string

test Encrypt_Decrypt_Command-3.2 {Decrypt aes-128-cbc} -body {
	accumulate $::dat tls::decrypt -cipher $cipher -key $test_key -iv $test_iv
	set ::dat
    } -result $test_data

# Test encrypt using read channel


test Encrypt_Decrypt_Channel_Read-4.1 {Encrypt aes-138-cbc} -body {
	binary encode hex [read_chan $unencrypted_file tls::encrypt -cipher $cipher -key $test_key -iv $test_iv]
    } -result $hex_string

test Encrypt_Decrypt_Channel_Read-4.2 {Decrypt aes-138-cbc} -body {
	read_chan $encrypted_file tls::decrypt -cipher $cipher -key $test_key -iv $test_iv
    } -result $test_data

# Test encrypt using write channel


test Encrypt_Decrypt_Channel_Write-5.1 {Encrypt aes-138-cbc} -body {
	binary encode hex [set data [write_chan $encrypted_file $test_data tls::encrypt -cipher $cipher -key $test_key -iv $test_iv]]
    } -result $hex_string

test Encrypt_Decrypt_Channel_Write-5.2 {Decrypt aes-138-cbc} -body {
	write_chan $alt_file $data tls::decrypt -cipher $cipher -key $test_key -iv $test_iv
    } -result $test_data

# Cleanup
::tcltest::removeFile $unencrypted_file
::tcltest::removeFile $encrypted_file
::tcltest::removeFile $alt_file

# Cleanup
::tcltest::cleanupTests
return