Retro video games delivered to your door every month!
Click above to get retro games delivered to your door ever month!
mcrypt_enc_get_iv_size
OuSob Home Page
PrevNext

mcrypt_enc_get_iv_size

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_enc_get_iv_size -- Returns the size of the IV of the opened algorithm

Description

int mcrypt_enc_get_iv_size ( resource td )

This function returns the size of the iv of the algorithm specified by the encryption descriptor in bytes. If it returns '0' then the IV is ignored in the algorithm. An IV is used in cbc, cfb and ofb modes, and in some algorithms in stream mode.

PrevHomeNext
mcrypt_enc_get_block_sizeUpmcrypt_enc_get_key_size