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PHP Functions
Function: mcrypt_enc_get_supported_key_sizes (PHP 4 >= 4.0.2, PHP 5) mcrypt_enc_get_supported_key_sizes -- Returns an array with the supported keysizes of the opened algorithmDescriptionarray mcrypt_enc_get_supported_key_sizes ( resource td )Returns an array with the key sizes supported by the algorithm specified by the encryption descriptor. If it returns an empty array then all key sizes between 1 and mcrypt_enc_get_key_size() are supported by the algorithm.
Example 1. mcrypt_enc_get_supported_key_sizes() example <?php $td = mcrypt_module_open('rijndael-256', '', 'ecb', ''); var_dump(mcrypt_enc_get_supported_key_sizes($td)); ?> This will print: array(3) { [0]=> int(16) [1]=> int(24) [2]=> int(32) } Related Function(s) |