mcrypt_get_block_size
(PHP 4, PHP 5)
mcrypt_get_block_size — Get the block size of the specified cipher
Description
int mcrypt_get_block_size
( int $cipher
)
int mcrypt_get_block_size
( string $cipher
, string $module
)
mcrypt_get_block_size() is used to get the
size of a block of the specified cipher
(in
combination with an encryption mode).
It is more useful to use the mcrypt_enc_get_block_size()
function as this uses the resource returned by
mcrypt_module_open().
This example shows how to use this function when linked against libmcrypt
2.4.x and 2.5.x.
Example #1 mcrypt_get_block_size() example
<?php
echo mcrypt_get_block_size('tripledes', 'ecb');
?>
Prints:
8
See also: mcrypt_get_key_size(),
mcrypt_enc_get_block_size() and
mcrypt_encrypt().
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