mcrypt issue

Nellis, Kenneth
Mon Jul 16 20:16:00 GMT 2012

I am seeing an mcrypt problem with short plaintext strings. 
I don't have a Linux box to compare results, so I don't 
know if this is an upstream or a Cygwin issue.

$ mcrypt --version
Mcrypt v.2.6.8 (i686-pc-cygwin)
Linked against libmcrypt v.2.5.8
Copyright (C) 1998-2002 Nikos Mavroyanopoulos (

Longer strings seem to work:

$ echo abcdef | mcrypt -q -k xyz | mcrypt -dq -k xyz

But shorter ones not so much:

$ echo abcde | mcrypt -q -k xyz | mcrypt -dq -k xyz

--Ken Nellis

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