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Christian Grothoff 2015-09-28 12:01:37 +02:00
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doc/paper/taler.tex
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@ -222,7 +222,8 @@ the coin.
Online fraud detection can create problems if the network fails during Online fraud detection can create problems if the network fails during
the initial steps of a transaction. For example, a law enforcement the initial steps of a transaction. For example, a law enforcement
agency might try to entrap a customer by offering illicit goods and agency might try to entrap a customer by offering illicit goods and
then cancelling the transaction after learning the public key of the then cancelling the transaction (i.e. by pretending that there is
a network failure) after learning the public key of the
coin. This is equivalent to a benign merchant giving a dissatisfied coin. This is equivalent to a benign merchant giving a dissatisfied
(anonymous) customer a {\em refund} by sending a message affirming (anonymous) customer a {\em refund} by sending a message affirming
the cancellation. the cancellation.
@ -868,8 +869,8 @@ request $S_{C'}(\mathtt{link})$ with $(T^{(\gamma)}_p$, $B^{(\gamma)},
% %
This allows the owner of the melted coin to also obtain the private This allows the owner of the melted coin to also obtain the private
key of the new coin, even if the refreshing protocol was illicitly key of the new coin, even if the refreshing protocol was illicitly
executed with the help of another party who generated $C'_s$ and only executed with the help of another party who generated $C_s$ and only
provided $\vec{C'_p}$ and other required information to the old owner. provided $\vec{C_p}$ and other required information to the old owner.
As a result, linking ensures that access to the new coins minted by As a result, linking ensures that access to the new coins minted by
the refresh protocol is always {\em shared} with the owner of the the refresh protocol is always {\em shared} with the owner of the
melted coins. This makes it impossible to abuse the refresh protocol melted coins. This makes it impossible to abuse the refresh protocol
@ -1064,7 +1065,7 @@ computing base (TCB) is public and free software.
%This work was supported by a grant from the Renewable Freedom Foundation. %This work was supported by a grant from the Renewable Freedom Foundation.
% FIXME: ARED? % FIXME: ARED?
%We thank Tanja Lange, Dan Bernstein and Fabian Kirsch for feedback on an earlier %We thank Tanja Lange, Dan Bernstein, Luis Ressel and Fabian Kirsch for feedback on an earlier
%version of this paper, Nicolas Fournier for implementing and running %version of this paper, Nicolas Fournier for implementing and running
%some performance benchmarks, and Richard Stallman, Hellekin Wolf, %some performance benchmarks, and Richard Stallman, Hellekin Wolf,
%Jacob Appelbaum for productive discussions and support. %Jacob Appelbaum for productive discussions and support.