Podręcznik PHP
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mcrypt_get_block_size

(PHP 3 >= 3.0.8, 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 )

The first prototype is when linked against libmcrypt 2.2.x, the second when linked against libmcrypt 2.4.x or 2.5.x.

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.

Przykład 1. mcrypt_get_block_size() example

<?php

                    echo mcrypt_get_block_size('tripledes', 'ecb');

                ?>


                Prints:

                8

Poprzedni	Spis treści	Następny
mcrypt_generic	Początek rozdziału	mcrypt_get_cipher_name