mcrypt_get_key_size

(PHP 4, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_get_key_size — 锟斤拷取指锟斤拷锟斤拷锟斤拷锟姐法锟斤拷锟斤拷钥锟斤拷小

Warning

This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

说锟斤拷

mcrypt_get_key_size ( int $cipher ) : int
mcrypt_get_key_size ( string $cipher , string $mode ) : int

锟斤拷一锟斤拷原锟斤拷锟斤拷锟斤拷锟� libmcrypt 2.2.x 锟侥ｏ拷 锟节讹拷锟斤拷原锟斤拷锟斤拷锟斤拷锟� libmcrypt 2.4.x 锟斤拷 2.5.x 锟侥★拷

mcrypt_get_key_size() 锟斤拷锟斤拷锟斤拷取 锟斤拷 cipher 锟斤拷指锟斤拷锟斤拷锟姐法锟斤拷模式锟斤拷锟斤拷锟斤拷锟皆匡拷锟斤拷取锟�

mcrypt_enc_get_key_size() 锟斤拷锟斤拷锟斤拷锟矫ｏ拷 锟斤拷为锟斤拷使锟斤拷锟斤拷 mcrypt_module_open() 锟斤拷锟截碉拷锟斤拷源锟斤拷

锟斤拷锟斤拷

cipher

MCRYPT_ciphername 锟斤拷锟斤拷锟叫碉拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷值锟斤拷锟姐法锟斤拷锟狡★拷

mode

MCRYPT_MODE_modename 锟斤拷锟斤拷锟叫碉拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟叫碉拷一锟斤拷锟斤拷"ecb"锟斤拷"cbc"锟斤拷"cfb"锟斤拷"ofb"锟斤拷"nofb" 锟斤拷 "stream"锟斤拷

锟斤拷锟斤拷值

锟斤拷锟斤拷锟姐法锟斤拷支锟街碉拷锟斤拷锟斤拷锟皆匡拷锟叫★拷锟斤拷锟斤拷纸锟轿拷锟轿伙拷锟� 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷

锟斤拷锟斤拷

Example #1 mcrypt_get_key_size() 锟斤拷锟斤拷

<?php
    echo mcrypt_get_key_size('tripledes', 'ecb');
?>

锟斤拷 libmcrypt 2.4.x 锟斤拷 2.5.x 锟芥本锟叫ｏ拷 锟斤拷锟绞癸拷帽锟斤拷锟斤拷锟斤拷锟�

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