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run code in 200+ php & hhvm versions
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<?php function mac($msg) { $key = "7h3_1337_k3y"; $nonce = "5uc3m01"; $bloc_size = 64; if(strlen($msg)==$bloc_size) { print("cas2"); $mac = $msg; } else if(strlen($msg)>$bloc_size) { print("cas3"); $mac = hash_hmac("sha512",$msg.$nonce,$key,true); } return crypt($mac,'$6$rounds=5000$OhMyG05h!'); } $lemessage="UNMESSAGEASSEZGRANDPOURTOMBERDANSLECASDUCALCULDEHASHMAPETPOUVOIRREJOURSONMACPOURTOMBERDANSLECASCRYPTODIRECT"; $mac = mac($lemessage); $valuemac=hash_hmac("sha512",$lemessage."5uc3m01","7h3_1337_k3y",true); $mac2=eval("return hex2bin(\"$valuemac\");"); $b=mac($mac2); if($mac==$b) { print("OK"); } else{ print("KO"); } print($mac); print($b);
based on mEg3N
Output for 7.0.20, 7.1.5 - 7.2.0
cas3 Warning: hex2bin(): Input string must be hexadecimal string in /in/hgLt8(29) : eval()'d code on line 1 Notice: Undefined variable: mac in /in/hgLt8 on line 19 KO$6$rounds=5000$OhMyG05h!$EVaV8jNGJn8deADd3yFF1E6Tcm1h.WDrVgwAGWzd/HMjLYAmMLNx4aPdShsP0sIpDzfLc.SHHnSoW779gxLSt0$6$rounds=5000$OhMyG05h!$dbl6sUoiavNEU9p7fZlQR5wHf7889FFmGBnT2lrna2RZv1IHq7Ws5eG4g6GVoZXi2dqATfp3eTnJbLMBxlw/Y/
Output for 5.5.24 - 7.0.6, 7.1.0
cas3 Warning: hex2bin(): Input string must be hexadecimal string in /in/hgLt8(29) : eval()'d code on line 2 Notice: Undefined variable: mac in /in/hgLt8 on line 19 KO$6$rounds=5000$OhMyG05h!$EVaV8jNGJn8deADd3yFF1E6Tcm1h.WDrVgwAGWzd/HMjLYAmMLNx4aPdShsP0sIpDzfLc.SHHnSoW779gxLSt0$6$rounds=5000$OhMyG05h!$dbl6sUoiavNEU9p7fZlQR5wHf7889FFmGBnT2lrna2RZv1IHq7Ws5eG4g6GVoZXi2dqATfp3eTnJbLMBxlw/Y/
Output for 5.4.10 - 5.4.45
cas3 Notice: Undefined variable: mac in /in/hgLt8 on line 19 KO$6$rounds=5000$OhMyG05h!$EVaV8jNGJn8deADd3yFF1E6Tcm1h.WDrVgwAGWzd/HMjLYAmMLNx4aPdShsP0sIpDzfLc.SHHnSoW779gxLSt0$6$rounds=5000$OhMyG05h!$dbl6sUoiavNEU9p7fZlQR5wHf7889FFmGBnT2lrna2RZv1IHq7Ws5eG4g6GVoZXi2dqATfp3eTnJbLMBxlw/Y/
Output for 5.3.20 - 5.3.29
cas3 Fatal error: Call to undefined function hex2bin() in /in/hgLt8(29) : eval()'d code on line 1
Process exited with code 255.