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run code in 200+ php & hhvm versions
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<?php $key = ''; $string = '391e7253c8a44832d516cbe98a51167e27259351445bce67487c2716fa58ac52'; // note the spaces $iv = mcrypt_create_iv( mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_DEV_URANDOM ); $encrypted = base64_encode( $iv . mcrypt_encrypt( MCRYPT_RIJNDAEL_128, hash('sha256', $key, true), $string, MCRYPT_MODE_CBC, $iv ) ); $data = base64_decode($encrypted); $iv = substr($data, 0, mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC)); $decrypted = rtrim( mcrypt_decrypt( MCRYPT_RIJNDAEL_128, hash('sha256', $key, true), substr($data, mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC)), MCRYPT_MODE_CBC, $iv ), "\0" ); echo 'Encrypted:' . "\n"; var_dump($encrypted); echo "\n"; echo 'Decrypted:' . "\n"; var_dump($decrypted);
based on KS8cU
Output for 7.0.0 - 7.3.0alpha1
Fatal error: Uncaught Error: Call to undefined function mcrypt_create_iv() in /in/LjnEn:8 Stack trace: #0 {main} thrown in /in/LjnEn on line 8
Process exited with code 255.
Output for hhvm-3.17.3
Encrypted: string(108) "TnWkpTCFOFOp4UoyrZaKKReVp/3KgiHG5NVo3enfQDJR1JoT92Q15ISc5zU3BhFBhW2MkXHNtNtCPTaGiV60yrnj5++T4/AecBaPv4sI4QE=" Decrypted: string(64) "391e7253c8a44832d516cbe98a51167e27259351445bce67487c2716fa58ac52"
Output for hhvm-3.15.4
Encrypted: string(108) "IP5vDcTVaEbXl4QQGTtIjevd+baEDXuC7PdR3sNeLefseC1m0eHqVjpf2UARUzNeyDQivCJvGf/KccaXrShFJ2Ha7zatS01diCXs2FrP4Kc=" Decrypted: string(64) "391e7253c8a44832d516cbe98a51167e27259351445bce67487c2716fa58ac52"
Output for hhvm-3.12.14
Encrypted: string(108) "4MB3rH2zjBwdeSsVsnRUNddGRUGnnJpJy1nEYp324W+PwgO6cQZiHKVQJPtoIXtxhFGkJouOsM4LfkjD8jaIhGpiOPG8JS8IhS1M65g1fJI=" Decrypted: string(64) "391e7253c8a44832d516cbe98a51167e27259351445bce67487c2716fa58ac52"
Output for 5.6.0 - 5.6.30
Fatal error: Call to undefined function mcrypt_create_iv() in /in/LjnEn on line 8
Process exited with code 255.