A software security system is arranged to verify the authenticity of each element of a Java Virtual Machine installation. A digital signature is attached to each file of the JVM installation. A loader (20) verifies the digital signature of the JVM DLL (30). The JVM DLL 30 then verifies the digital signature...http://www.google.de/patents/US7496757?utm_source=gb-gplus-sharePatent US7496757 - Software verification system, method and computer program element