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<?php $x = openssl_encrypt('0000000000000000', 'aes-128-ctr', '0123456789abcdef', OPENSSL_RAW_DATA, '0000000000000000'); $y = openssl_encrypt('0000000000000001', 'aes-128-ctr', '0123456789abcdef', OPENSSL_RAW_DATA, '0000000000000000'); $z = ''; for ($i = 0; $i < 16; ++$i) { $z .= \ord( \chr($x[$i]) ^ \chr($y[$i]) ); } var_dump( bin2hex($x), bin2hex($y), bin2hex($z) );
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function openssl_encrypt() in /in/Tf5Kd:3 Stack trace: #0 {main} thrown in /in/Tf5Kd on line 3
Process exited with code 255.
Output for 5.4.15 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
string(32) "275c196a696d41a3e0a5c1fe35566a86" string(32) "275c196a696d41a3e0a5c1fe35566a87" string(32) "30303030303030303030303030303030"
Output for 5.4.0 - 5.4.14
Fatal error: Call to undefined function openssl_encrypt() in /in/Tf5Kd on line 3
Process exited with code 255.
preferences:
214.52 ms | 401 KiB | 227 Q