Bug #70742 [NEW]: random_bytes() fails when the SYSTEMROOT env var is empty

From: nicolas dot grekas+php at gmail dot com Operating system: Windows PHP version: 7.0.0RC5 Package: mcrypt related Bug Type: Bug Bug description:random_bytes() fails when the SYSTEMROOT env var is empty Description: ------------ On Windows, both random_bytes and mcrypt_create_iv fail when the SYSTEMROOT env var is not set. Test script: --------------- <?php putenv('SYSTEMROOT='); echo strlen(random_bytes(1)); Expected result: ---------------- 1 Actual result: -------------- PHP Warning: mcrypt_create_iv(): Could not gather sufficient random data -- Edit bug report at https://bugs.php.net/bug.php?id=70742&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70742&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70742&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70742&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70742&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70742&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70742&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70742&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70742&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70742&r=support Expected behavior: https://bugs.php.net/fix.php?id=70742&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70742&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70742&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70742&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70742&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70742&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70742&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70742&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70742&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70742&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70742&r=mysqlcfg