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-rw-r--r--doc/paper/taler.tex8
-rw-r--r--doc/paper/taler_FC2017.txt8
2 files changed, 14 insertions, 2 deletions
diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex
index f71dead7e..ba1536f2e 100644
--- a/doc/paper/taler.tex
+++ b/doc/paper/taler.tex
@@ -821,9 +821,13 @@ interaction with the exchange:
\begin{itemize}
\item reserve key $W := (w_s,W_p)$ with private key $w_s$ and public key $W_p := w_sG$,
\item coin key $C := (c_s,C_p)$ with private key $c_s$ and public key $C_p := c_s G$,
- \item blinding factor $b$, and persists $\langle W, C, b \rangle$.
+ \item blinding factor $b$
\end{itemize}
- The customer then transfers an amount of money corresponding to
+ The customer first persists\footnote{When we say ``persist'', we mean that the value
+ is stored in such a way that it can be recovered after a system crash, and
+ the protocol execution can be re-tried from a checkpoint
+ without losing money sent in the next step.} $\langle W, C, b \rangle$.
+ Then the customer transfers an amount of money corresponding to
at least $K_v$ to the exchange, with $W_p$ in the subject line
of the transaction.
\item
diff --git a/doc/paper/taler_FC2017.txt b/doc/paper/taler_FC2017.txt
index b00eb067d..daf13138a 100644
--- a/doc/paper/taler_FC2017.txt
+++ b/doc/paper/taler_FC2017.txt
@@ -133,6 +133,14 @@ Specific comments:
selected from? What does it mean to “commit to disk”? The customer commits
and keeps the commitment local? Where is this used?
+> Yes, juxtaposition denotes multiplication. "commit to disk" has been
+> changed to "persist", the customer must persis the value before making the
+> bank transaction, so that they don't lose their reserve key should the system
+> crash. It is used to restart the operation in case of a crash.
+> Where the blinding factor "b" is selected from depends on the instantiation
+> of the protocol, it's simply a fresh blinding factor in the blind signature
+> scheme.
+
- Section 4.1, step 3, what is the key K used in FDH? Also is S_w(B) a standard
signature?