TORONTO (Reuters) - BlackBerry Ltd said on Friday that its encryption technology is being used to toughen a "spy-proof" Samsung tablet that is being used by German government agencies dealing with classified information.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=7Ah4jncFWOM:R69_Ce1sscs:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=7Ah4jncFWOM:R69_Ce1sscs:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=7Ah4jncFWOM:R69_Ce1sscs:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=7Ah4jncFWOM:R69_Ce1sscs:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=7Ah4jncFWOM:R69_Ce1sscs:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/7Ah4jncFWOM" height="1" width="1" alt="" />