anchor.diff:  
   RUN cd /tmp && \
   	curl -sSOL https://dist.torproject.org/tormessenger/${TOR_VERSION}/tor-messenger-linux64-${TOR_VERSION}_en-US.tar.xz && \
  -	curl -sSOL https://dist.torproject.org/tormessenger/${TOR_VERSION}/sha256sums.txt && \
  -	curl -sSOL https://dist.torproject.org/tormessenger/${TOR_VERSION}/sha256sums.txt.asc && \
  +	curl -sSOL https://dist.torproject.org/tormessenger/${TOR_VERSION}/sha256sums-unsigned-build.txt && \
  +	curl -sSOL https://dist.torproject.org/tormessenger/${TOR_VERSION}/sha256sums-unsigned-build.txt.asc && \
   	mkdir ~/.gnupg && \
   	gpg --keyserver pgp.mit.edu --recv-keys ${TOR_FINGERPRINT} || \
  -	gpg --fingerprint --keyid-format LONG ${TOR_FINGERPRINT} | grep "Key fingerprint = 3A0B 3D84 3708 9613 6B84	5E82 6887 935A B297 B391" && \
  -	gpg --verify sha256sums.txt.asc && \
  -	grep $(sha256sum tor-messenger-linux64-${TOR_VERSION}_en-US.tar.xz) sha256sums.txt && \
  +	gpg --fingerprint --keyid-format LONG ${TOR_FINGERPRINT} | grep "Key fingerprint = E4AC D397 5427 A5BA 8450   A1BE B01C 8B00 6DA7 7FAA" && \
  +	gpg --verify sha256sums-unsigned-build.txt.asc && \
  +	grep $(sha256sum tor-messenger-linux64-${TOR_VERSION}_en-US.tar.xz) sha256sums-unsigned-build.txt && \
   	tar xfv tor-messenger-linux64-${TOR_VERSION}_en-US.tar.xz -C /usr/local/bin && \
   	rm -rf tor-messenger*	&& \
   	chown -R user.user /usr/local/bin/tor-messenger && \
  
positive.code: 
  ENV HOME /home/user
  ENV LANG C.UTF-8
  ENV TOR_VERSION 0.2.0b2
  ENV TOR_FINGERPRINT 0xB01C8B006DA77FAA
  
  RUN apt-get update && apt-get -y install \
  
negative.code: 	gxmessage \
  	libasound2 \
  	libdbus-glib-1-2 \
  	libgtk2.0-0 \
  	libxt6 \
  	tar \
  	xz-utils \
  