Abstract
Eliminating middlemen from security protocols helps less than one would think. EMV electronic payments, for example, can be made fairer by adding an electronic attorney – a middleman which mediates access to a customer’s card. We compare middlemen in crypto protocols and APIs with those in the real world, and show that a man-in-the-middle defence is helpful in many circumstances. We suggest that the middleman has been unfairly demonised.
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Anderson, R., Bond, M. (2009). The Man-in-the-Middle Defence. In: Christianson, B., Crispo, B., Malcolm, J.A., Roe, M. (eds) Security Protocols. Security Protocols 2006. Lecture Notes in Computer Science, vol 5087. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04904-0_20
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DOI: https://doi.org/10.1007/978-3-642-04904-0_20
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