From:             laruence
Operating system: Linux
PHP version:      5.4.7
Package:          mcrypt related
Bug Type:         Feature/Change Request
Bug description:Use /dev/urandom as default random pool dev

Description:
------------
Hey, mcrypt_create_iv use /dev/random as the default random dev, this will
cause 
some unexpected issues for new users.

see:

"
nils at nm dot cx 19-Jun-2012 12:26
If you use /dev/random you need a well filled entropy pool or the
application will 
block until enough good entropy comes available
"
http://us.php.net/manual/en/function.mcrypt-create-iv.php

Test script:
---------------
none

Expected result:
----------------
none

Actual result:
--------------
none

-- 
Edit bug report at https://bugs.php.net/bug.php?id=63146&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=63146&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=63146&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=63146&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=63146&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=63146&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=63146&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=63146&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=63146&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=63146&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=63146&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=63146&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=63146&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=63146&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=63146&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=63146&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=63146&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=63146&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=63146&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=63146&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=63146&r=mysqlcfg

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