Unconditional Sender and Recipient Untraceability in spite of Active Attacks – Some Remarks
Michael Waidner, Birgit Pfitzmann · 2010
...................................................................................................1 2 Unconditional sender untraceability.............................................................2 2.1 Superposed sending ................................................................................2 2.2 Efficient and anonymity preserving multi-access protocols....................................5 2.3 Some remarks on sender untraceability schemes................................................8 3 Active attacks on untraceability ...................................................................9 3.1 Reliable broadcast................................................................................. 10 3.2 Fail-stop broadcast................................................................................ 11 3.2.1 Comparison of input characters ....................................................... 11 3.2.2 Message dependent key generation ............................................