Bug #55169 [NEW]: mcrypt_create_iv always fails to gather sufficient random data

From: Operating system: Windows 7 PHP version: 5.4SVN-2011-07-09 (snap) Package: mcrypt related Bug Type: Bug Bug description:mcrypt_create_iv always fails to gather sufficient random data Description: ------------ When using the 5.4 snaps calling mcrypt_create_iv with either MCRYPT_DEV_RANDOM or MCRYPT_DEV_URANDOM as source always fails to gather sufficient random data regardless of the specified size. (Could be related: http://svn.php.net/viewvc?view=revision&revision=312201 ) Test script: --------------- <?php var_dump(mcrypt_create_iv(1, MCRYPT_DEV_URANDOM)); Expected result: ---------------- string 'm' (length=1) [or similar] Actual result: -------------- Fatal error: mcrypt_create_iv() [<a href='function.mcrypt-create-iv'>function.mcrypt-create-iv</a>]: Could not gather sufficient random data in D:\htdocs\stack\quick.php on line 3 -- Edit bug report at https://bugs.php.net/bug.php?id=55169&edit=1 -- Try a snapshot (PHP 5.2): https://bugs.php.net/fix.php?id=55169&r=trysnapshot52 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=55169&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=55169&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=55169&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=55169&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=55169&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=55169&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=55169&r=needscript Try newer version: https://bugs.php.net/fix.php?id=55169&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=55169&r=support Expected behavior: https://bugs.php.net/fix.php?id=55169&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=55169&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=55169&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=55169&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=55169&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=55169&r=dst IIS Stability: https://bugs.php.net/fix.php?id=55169&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=55169&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=55169&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=55169&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=55169&r=mysqlcfg Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=55169&r=trysnapshot54