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    mcrypt_enc_get_key_size

    (PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

    mcrypt_enc_get_key_size — Returns the maximum supported keysize of the opened mode

    Warning

    This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.

    Description

    mcrypt_enc_get_key_size(resource $td): int

    Gets the maximum supported key size of the algorithm in bytes.

    Parameters

    td

    The encryption descriptor.

    Return Values

    Returns the maximum supported key size of the algorithm in bytes.

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