Vladas Shukevichus wrote:
Hello, Gents,
When I use any OpenSSL encryption/decryption function (like
openssl_seal, openssl_open, openssl_public_encrypt,
openssl_private_decrypt, etc.) it takes very long time to execute, when
it has been called in a first time. After that other function calls
performs very fast in the same script.
[18 Jan 1:23am CET] wez@xxxxxxx:
Not a php bug; the openssl libraries are gathering entropy on that first
hit.
How can I prevent this? All scripts executes a second longer, if there are any OpenSSL function.
Reproduce code:
---------------
$btime = microtime(true);
openssl_seal('Some information', $sealed, $ekeys, array(openssl_get_publickey('file://C:\512.pub')));
echo 'Time: '.(microtime(true) - $btime);
$btime = microtime(true);
openssl_seal('Some information', $sealed, $ekeys, array(openssl_get_publickey('file://C:\1024.pub')));
echo '<br>Time: '.(microtime(true) - $btime);
Expected result:
----------------
Time: 0.00************
Time: 0.00075888633728
Actual result:
--------------
Time: 0.969028949738
Time: 0.00075888633728
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