bin/184783: openssl aes-256-xts decrypt gives empty output

[Lou]

>Number:         184783
>Category:       bin
>Synopsis:       openssl aes-256-xts decrypt gives empty output
>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:   Sun Dec 15 18:30:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Lou
>Release:        
>Organization:
>Environment:
FreeBSD 10.0-PRERELEASE r259100 amd64
>Description:
The aes-256-xts decryption produce empty output.
>How-To-Repeat:
The following produce nothing:

% echo "123" | openssl aes-256-xts -e -k hello | openssl aes-256-xts -d -k hello

If you change xts to cbc, you can 123 from stdout.
>Fix:


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