Thoughts about Secure Communication and Wiretapping

René Pfeiffer/ October 12, 2010/ Communication

Secure communication is a very important cornerstone of modern network design and corporate infrastructure. The need to communicate securely is part of everyday life. Businesses, political groups, individuals, governments, non-governmental organisations, and many others use secure communication. The basic idea is that you put a decent portion of trust into the way you exchange messages. Typically the message is only seen by the sender and the recipient. Many take this property of message exchange for granted, but you have to use suitable protocols to meet this goal. Secure communication protocols usually use encryption or steganography to protect and hide the transported messages. Anyone intercepting the data transmission must not be able to decode the original message(s) sent. This is the idea, and when designing secure protocols there is no way around it. Some use

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