note 111841 added to function.openssl-private-decrypt

//if you want to encrypt data without knowing the password so it only be accessible to admin (like storing CC data) - here is one of the ways to do that. $fnm="test";//path to the file name (.key and .pem) echo "<form method=post action=".$_SERVER['PHP_SELF']."><table>"; $pass=$_REQUEST['pass']; $msg=$_REQUEST['msg']; $genkey=((isset($_REQUEST['go']))?intval("0".$_REQUEST['genkey']):1); echo "<tr><td>Admin Password :</td><td><input type=text name=pass value=\"$pass\"></td></tr>\n"; echo "<tr><td>Generate New Keys?</td><td><input type=checkbox name=genkey value=1".($genkey?" checked":"")."> Yes</td></tr>\n"; echo "<tr><td colspan=2 align=left>Message:<br><textarea cols=50 name=msg>$msg</textarea></td></tr>\n"; echo "<tr><td colspan=2><input type=submit name='go' value='Go'></td></tr>"; echo "</table></form>"; if($_REQUEST['go']=='Go') { $pass=$_REQUEST['pass']; $msg=$_REQUEST['msg']; //this you have to only run once ... if($genkey) { echo "<br>generating public/private keys using supplied password..."; exec("openssl req -x509 -passout pass:$pass -newkey rsa:1024 -keyout $fnm.key -out $fnm.pem -subj \"/C=US/ST=California/L=Remote/O=blabla/OU=blabla/CN=user/emailAddress=user@domain.com\""); } // or in case if you want to change admin password you need to generate new keys with new password // and run a script that will take all encrypted data from database, decrypt with old private key and re-encrypt with new private key echo "<br>Source file: $fnm.pem"; openssl_public_encrypt(urlencode($msg), $encbinary, "file://$fnm.pem"); //no password usage here $encmsg=base64_encode($encbinary); //ready to be send or stored in DB echo "<br><br>Encrypted message:<pre>$encmsg</pre>"; echo "<br><br>Decrypting using private key with password...<br>"; if(($prvkey = openssl_pkey_get_private("file://$fnm.key",$pass))===false) echo "<br><b style='color:red'>Password is incorrect, aborting.</b>"; else { openssl_private_decrypt(base64_decode($encmsg),$decmsg,$prvkey); echo "<br>Decrypted message:<br>".urldecode($decmsg); } } ---- Server IP: 69.147.83.199 Probable Submitter: 69.165.158.28 ---- Manual Page -- http://php.net/manual/en/function.openssl-private-decrypt.php Edit -- https://master.php.net/note/edit/111841 Del: integrated -- https://master.php.net/note/delete/111841/integrated Del: useless -- https://master.php.net/note/delete/111841/useless Del: bad code -- https://master.php.net/note/delete/111841/bad+code Del: spam -- https://master.php.net/note/delete/111841/spam Del: non-english -- https://master.php.net/note/delete/111841/non-english Del: in docs -- https://master.php.net/note/delete/111841/in+docs Del: other reasons-- https://master.php.net/note/delete/111841 Reject -- https://master.php.net/note/reject/111841 Search -- https://master.php.net/manage/user-notes.php