PHP mcrypt_module_get_algo_block_size Examples

Example #1

File: openpgp_mcrypt_wrapper.php Project: CoR--/LRphpLib

 function __construct($cipher)
 {
     $this->cipher = $cipher;
     $this->key_size = mcrypt_module_get_algo_key_size($cipher);
     $this->block_size = mcrypt_module_get_algo_block_size($cipher);
     $this->iv = str_repeat("", mcrypt_get_iv_size($cipher, 'ncfb'));
 }

Example #2

File: mcrypt_module_get_algo_block_size.php Project: badlamer/hhvm

<?php

var_dump(mcrypt_module_get_algo_block_size(MCRYPT_RIJNDAEL_256));
var_dump(mcrypt_module_get_algo_block_size(MCRYPT_RIJNDAEL_192));
var_dump(mcrypt_module_get_algo_block_size(MCRYPT_RC2));
var_dump(mcrypt_module_get_algo_block_size(MCRYPT_XTEA));
var_dump(mcrypt_module_get_algo_block_size(MCRYPT_CAST_128));
var_dump(mcrypt_module_get_algo_block_size(MCRYPT_BLOWFISH));

Example #3

File: ext_mcrypt.php Project: badlamer/hhvm

$td = mcrypt_module_open("rijndael-256", "", "ofb", "");
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_DEV_RANDOM);
$ks = mcrypt_enc_get_key_size($td);
$key = substr(md5("very secret key"), 0, $ks);
mcrypt_generic_init($td, $key, $iv);
$encrypted = mcrypt_generic($td, "This is very important data");
VERIFY($encrypted !== "This is very important data");
mcrypt_generic_deinit($td);
mcrypt_generic_init($td, $key, $iv);
$decrypted = mdecrypt_generic($td, $encrypted);
mcrypt_generic_end($td);
mcrypt_module_close($td);
VS($decrypted, "This is very important data");
VERIFY(in_array("blowfish", mcrypt_list_algorithms()));
VERIFY(in_array("cbc", mcrypt_list_modes()));
VS(mcrypt_module_get_algo_block_size("blowfish"), 8);
VS(mcrypt_module_get_algo_key_size("blowfish"), 56);
VS(mcrypt_module_get_supported_key_sizes("blowfish"), array());
VS(mcrypt_module_get_supported_key_sizes("twofish"), array(16, 24, 32));
VS(mcrypt_module_is_block_algorithm_mode("cbc"), true);
VS(mcrypt_module_is_block_algorithm("blowfish"), true);
VS(mcrypt_module_is_block_mode("cbc"), true);
VS(mcrypt_module_self_test(MCRYPT_RIJNDAEL_128), true);
VS(mcrypt_module_self_test("bogus"), false);
$text = "boggles the inivisble monkey will rule the world";
$key = "very secret key";
$iv_size = mcrypt_get_iv_size(MCRYPT_XTEA, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$enc = mcrypt_encrypt(MCRYPT_XTEA, $key, $text, MCRYPT_MODE_ECB, $iv);
VS(bin2hex($enc), "f522c62002fa16129c8576bcddc6dd0f7ea81991103ba42962d94c8bfff3ee660d53b187d7e989540abf5a729c2f7baf");
$crypttext = mcrypt_decrypt(MCRYPT_XTEA, $key, $enc, MCRYPT_MODE_ECB, $iv);