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<?php function pkcs7_pad($str) { $len = mb_strlen($str, '8bit'); $c = 16 - ($len % 16); $str .= str_repeat(chr($c), $c); return $str; } $message = 'test'; $key = openssl_random_pseudo_bytes(32); $iv = openssl_random_pseudo_bytes(16); $cipher = mcrypt_encrypt( MCRYPT_RIJNDAEL_128, substr($key, 0, 16), $message, 'ctr', $iv ); $plain = openssl_decrypt( $cipher, 'aes-128-ctr', $key, OPENSSL_RAW_DATA, $iv ); var_dump( $message, bin2hex($cipher), $plain, mb_strlen($message, '8bit'), mb_strlen($plain, '8bit'), $message === $plain );
Output for 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/SG3Hb:11 Stack trace: #0 {main} thrown in /in/SG3Hb on line 11
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/SG3Hb:11 Stack trace: #0 {main} thrown in /in/SG3Hb on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.10
Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /in/SG3Hb:14 Stack trace: #0 {main} thrown in /in/SG3Hb on line 14
Process exited with code 255.
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