Bug #64268 [Csd->Nab]: crypt() outputting *0 for unknown reason

From: Date: Thu, 21 Feb 2013 19:20:36 +0000
Subject: Bug #64268 [Csd->Nab]: crypt() outputting *0 for unknown reason
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=64268&edit=1

 ID:                 64268
 Updated by:         rasmus@php.net
 Reported by:        sarciszewski at knights dot ucf dot edu
 Summary:            crypt() outputting *0 for unknown reason
-Status:             Closed
+Status:             Not a bug
 Type:               Bug
 Package:            *Encryption and hash functions
 Operating System:   Ubuntu 12.04 kernel 3.2.0
 PHP Version:        5.4.11
 Block user comment: N
 Private report:     N



Previous Comments:
------------------------------------------------------------------------
[2013-02-21 18:30:57] sarciszewski at knights dot ucf dot edu

After all that concern of an unknown buffer overflow or disallowed character, I forgot to end the
salt with a $ character :(

------------------------------------------------------------------------
[2013-02-21 18:19:13] sarciszewski at knights dot ucf dot edu

Description:
------------
crypt() seems to be breaking for some reason with this password and salt combination

I've not read anything about limitations on the characters supplied to crypt() in the PHP
documentation

Test script:
---------------
<?
$plain =
"W9no`y_vr.!b<W'.Wp44NU~\"Vf}n{G077<^UnqFyWwKyaz1YuyrO9H+1/T8J3Ha_C|X=gU^?EBrc2";
$salt = '$2a$10$CqenGirJlEl6sCA2/w2ay';

echo crypt($pre, $salt);
?>

Expected result:
----------------
$2a$10$CqenGirJlEl6sCA2/w2a (followed by hashed data)

Actual result:
--------------
*0


------------------------------------------------------------------------



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