Merge branch 'master' of https://rhodecode.plunge.at/ach/ach-master

diff --cc src/overview_common_crypto_systems.tex
Simple merge

diff --cc src/tools.tex
index e17c4e6,a2f8c49..1180a34
--- 1/src/tools.tex
--- 2/src/tools.tex
+++ b/src/tools.tex
@@@ -14,12 -14,15 +14,16 @@@ See: \url{https://www.ssllabs.com/downl
  
  \url{http://tls.secg.org} is a tool for testing interoperability of HTTPS implementations for ECC cipher suites.
  
+ \subsection{Keylenght}
+ 
+ \url{http://www.keylength.com} comprehensive online resource for comparison of keylenghts according to common recommendatons and standards in cryptography.
+ 
  \subsection{RNGs}
  
 +%% NOTE: should we merge that with chapter 6.6??
  \begin{itemize}
  \item \href{http://www.fourmilab.ch/random/}{ENT} is a pseudo random number generator sequence tester.  
- \item \href{http://www.issihosts.com/haveged/}{HaveGE} is a tool which increases the Entropy of the Linux random number generator devices. It is based on the HAVEGE algorithm.
+ \item \href{http://www.issihosts.com/haveged/}{HaveGE} is a tool which increases the Entropy of the Linux random number generator devices. It is based on the HAVEGE algorithm. \url{http://dl.acm.org/citation.cfm?id=945516}
  \end{itemize}