PHP Manual
PrevNext

mcrypt_get_key_size

(PHP 3>= 3.0.8, PHP 4 >= 4.0.0)

mcrypt_get_key_size -- Get the key size of the specified cipher

Description

int mcrypt_get_key_size ( int cipher)int mcrypt_get_key_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.

mcrypt_get_key_size() is used to get the size of a key of the specified cipher.

mcrypt_get_key_size() takes one or two arguments, the cipher and module, and returns the size in bytes.

See also: mcrypt_get_block_size().

PrevHomeNext
mcrypt_get_block_sizeUpmcrypt_create_iv