Hello Steven, SJ> Lothar Scholz wrote: >> The first rule of security is not to talk about security. SJ> Precisely the opposite: For academics: yes. For practical use: no. Its simple a complete different topic if you want to know the quality of an algorithm or how to embedd it into an application. As alread mentionend it is impossible to have a save program executable if you are not using TPM Point. -- Best regards, emailto: scholz at scriptolutions dot com Lothar Scholz http://www.ruby-ide.com CTO Scriptolutions Ruby, PHP, Python IDE 's