mcrypt_enc_get_iv_size

Returns the size of the IV of the opened algorithm

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. An IV is used in cbc, cfb and ofb modes, and in some algorithms in stream mode.

tdThe encryption descriptor.

Returns the size of the IV, or 0 if the IV is ignored by the algorithm.

Vorige ← mcrypt_enc_get_block_size Volgende mcrypt_enc_get_key_size →

mcrypt_enc_get_iv_size

mcrypt_enc_get_iv_size

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