Abstract
Untraceable communication for services like telephony is often considered infeasible in the near future because of bandwidth limitations. We present a technique, called ISDN-Mixes, which shows that this is not the case.
As little changes as possible are made to the narrowband-ISDN planned by the PTTs. In particular, we assume the same subscriber lines with the same bit rate, and the same long-distance network between local exchanges, and we offer the same services.
ISDN-Mixes are a combination of a new variant of Chaum’s Mixes, dummy traffic on the subscriber lines (where this needs no additional bandwidth), and broadcast of incoming-call messages in the subscriber-area.
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© 1991 Springer-Verlag Berlin Heilderberg
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Pfitzmann, A., Pfitzmann, B., Waidner, M. (1991). ISDN-Mixes: Untraceable Communication with Very Small Bandwidth Overhead. In: Effelsberg, W., Meuer, H.W., Müller, G. (eds) Kommunikation in verteilten Systemen. Informatik-Fachberichte, vol 267. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76462-2_32
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DOI: https://doi.org/10.1007/978-3-642-76462-2_32
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