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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current File : //usr/local/src/php7/php-7.0.5/ext/mcrypt/tests/mcrypt_encrypt_3des_ecb.phpt

--TEST--
Test mcrypt_encrypt() function : TripleDES functionality
--SKIPIF--
<?php 
if (!extension_loaded("mcrypt")) {
	print "skip - mcrypt extension not loaded"; 
}	 
?>
--FILE--
<?php
/* Prototype  : string mcrypt_encrypt(string cipher, string key, string data, string mode, string iv)
 * Description: OFB crypt/decrypt data using key key with cipher cipher starting with iv 
 * Source code: ext/mcrypt/mcrypt.c
 * Alias to functions: 
 */

echo "*** Testing mcrypt_encrypt() : TripleDES functionality ***\n";

$cipher = MCRYPT_TRIPLEDES;
$mode = MCRYPT_MODE_ECB;
$data = b'This is the secret message which must be encrypted';

// tripledes uses keys up to 192 bits (24 bytes)
$keys = array(
   b'12345678', 
   b'12345678901234567890', 
   b'123456789012345678901234', 
   b'12345678901234567890123456'
);

echo "\n--- testing different key lengths\n";
foreach ($keys as $key) {
   echo "\nkey length=".strlen($key)."\n";
   var_dump(bin2hex(mcrypt_encrypt($cipher, $key, $data, $mode)));
}

$key = b'123456789012345678901234';
$ivs = array(
   b'1234', 
   b'12345678', 
   b'123456789'
);

// ivs should be ignored in ecb mode
echo "\n--- testing different iv lengths\n";
foreach ($ivs as $iv) {
   echo "\niv length=".strlen($iv)."\n";
   var_dump(bin2hex(mcrypt_encrypt($cipher, $key, $data, $mode, $iv)));
}

?>
===DONE===
--EXPECTF--
*** Testing mcrypt_encrypt() : TripleDES functionality ***

--- testing different key lengths

key length=8

Warning: mcrypt_encrypt(): Key of size 8 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
string(0) ""

key length=20

Warning: mcrypt_encrypt(): Key of size 20 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
string(0) ""

key length=24
string(112) "923eedcb20e18e3efa466a6ca1b842b34e6ac46aa3690ef739d0d68a26eb64e1a6ad42e7d18312ae8a57ab927e1dc892e5ff56c061864f27"

key length=26

Warning: mcrypt_encrypt(): Key of size 26 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
string(0) ""

--- testing different iv lengths

iv length=4
string(112) "923eedcb20e18e3efa466a6ca1b842b34e6ac46aa3690ef739d0d68a26eb64e1a6ad42e7d18312ae8a57ab927e1dc892e5ff56c061864f27"

iv length=8
string(112) "923eedcb20e18e3efa466a6ca1b842b34e6ac46aa3690ef739d0d68a26eb64e1a6ad42e7d18312ae8a57ab927e1dc892e5ff56c061864f27"

iv length=9
string(112) "923eedcb20e18e3efa466a6ca1b842b34e6ac46aa3690ef739d0d68a26eb64e1a6ad42e7d18312ae8a57ab927e1dc892e5ff56c061864f27"
===DONE===

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