Secret Languages and Cryptography

Secret languages, secret codes, invisible ink – are these things that are only important to people of a certain age? Far from it: remote controls, cash machines, smartphones, online transactions, electronic money – all of this and much more would not be possible without the manifold opportunities presented by cryptography. This book provides an extensive and up-to-date insight into the science of secrets, into various coding and decoding technologies, and their fields of application.