misc/169986: mcrypt does not encrypt or decrypt properly in some cases

[notstop]

>Number:         169986
>Category:       misc
>Synopsis:       mcrypt does not encrypt or decrypt properly in some cases
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jul 19 00:00:03 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     notstop
>Release:        9.0-RELEASE i386
>Organization:
not applicable
>Environment:
>Description:
mcrypt will not work properly:

echo a | mcrypt -q -k xyz | mcrypt -dq -xyz

>How-To-Repeat:
do the routine
>Fix:
Not known. Gentoo and Cygwin are also affected. Older version of mcrypt seem to work well, not tested.

>Release-Note:
>Audit-Trail:
>Unformatted: