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--TEST--
Test mcrypt_cbc() function : basic functionality
--SKIPIF--
<?php
if (!extension_loaded("mcrypt")) {
print "skip - mcrypt extension not loaded";
}
?>
--FILE--
<?php
/* Prototype : string mcrypt_cbc(int cipher, string key, string data, int mode, string iv)
* Description: CBC crypt/decrypt data using key key with cipher cipher starting with iv
* Source code: ext/mcrypt/mcrypt.c
* Alias to functions:
*/
$cipher = MCRYPT_TRIPLEDES;
$data = b"This is the secret message which must be encrypted";
// tripledes uses keys with exactly 192 bits (24 bytes)
$keys = array(
b'12345678',
b'12345678901234567890',
b'123456789012345678901234',
b'12345678901234567890123456');
// tripledes is a block cipher of 64 bits (8 bytes)
$ivs = array(
b'1234',
b'12345678',
b'123456789');
$iv = b'12345678';
echo "\n--- testing different key lengths\n";
foreach ($keys as $key) {
echo "\nkey length=".strlen($key)."\n";
var_dump(bin2hex(mcrypt_encrypt($cipher, $key, $data, MCRYPT_MODE_CBC, $iv)));
}
$key = b'123456789012345678901234';
echo "\n--- testing different iv lengths\n";
foreach ($ivs as $iv) {
echo "\niv length=".strlen($iv)."\n";
var_dump(bin2hex(mcrypt_encrypt($cipher, $key, $data, MCRYPT_MODE_CBC, $iv)));
}
?>
===DONE===
--EXPECTF--
--- 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) "b85e21072239d60c63a80e7c9ae493cb741a1cd407e52f451c5f43a0d103f55a7b62617eb2e44213c2d44462d388bc0b8f119384b12c84ac"
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
Warning: mcrypt_encrypt(): Received initialization vector of size 4, but size 8 is required for this encryption mode in %s on line %d
string(0) ""
iv length=8
string(112) "b85e21072239d60c63a80e7c9ae493cb741a1cd407e52f451c5f43a0d103f55a7b62617eb2e44213c2d44462d388bc0b8f119384b12c84ac"
iv length=9
Warning: mcrypt_encrypt(): Received initialization vector of size 9, but size 8 is required for this encryption mode in %s on line %d
string(0) ""
===DONE===
|
