mcrypt_get_key_size

mcrypt_get_key_size -- Get the key size of the specified cipher

Description

int mcrypt_get_key_size(int cipher);

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

mcrypt_get_key_size() takes one argument, the cipher and returns the size in bytes.

See also: mcrypt_get_block_size()