Description
array
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.
範例 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)
}
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