Bug #68501 [NEW]: mcrypt_decrypt need key with specific length

From: ogarbe at voyageprive dot com Operating system: Debian PHP version: 5.6.3 Package: mcrypt related Bug Type: Bug Bug description:mcrypt_decrypt need key with specific length Description: ------------ mcrypt_decrypt / encrypt changed between 5.4 and 5.6 in 5.6, and contrary to the doc, the second parameter $key needs to be of sizes 16, 24 or 32 supported, the key should be padded with "\0" to match correct sizes. Test script: --------------- $decryptText = mcrypt_decrypt( MCRYPT_RIJNDAEL_256, '1234567890ABCDEFGHIJKLM', $cryptText, MCRYPT_MODE_CBC, 'aworkingvector' ); Expected result: ---------------- Dont throw this error mcrypt_encrypt(): Key of size 22 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported Or fix the documentation -- Edit bug report at https://bugs.php.net/bug.php?id=68501&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68501&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68501&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68501&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68501&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68501&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68501&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68501&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68501&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68501&r=support Expected behavior: https://bugs.php.net/fix.php?id=68501&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68501&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68501&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68501&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68501&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68501&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68501&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68501&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68501&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68501&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68501&r=mysqlcfg