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explain what 'persist' means on first usage

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Florian Dold 2017-05-17 16:31:41 +02:00
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2 changed files with 14 additions and 2 deletions
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8
doc/paper/taler.tex
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@ -821,9 +821,13 @@ interaction with the exchange:
\begin{itemize} \begin{itemize}
\item reserve key $W := (w_s,W_p)$ with private key $w_s$ and public key $W_p := w_sG$, \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 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} \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 at least $K_v$ to the exchange, with $W_p$ in the subject line
of the transaction. of the transaction.
\item \item

8
doc/paper/taler_FC2017.txt
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@ -133,6 +133,14 @@ Specific comments:
selected from? What does it mean to “commit to disk”? The customer commits selected from? What does it mean to “commit to disk”? The customer commits
and keeps the commitment local? Where is this used? 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 - Section 4.1, step 3, what is the key K used in FDH? Also is S_w(B) a standard
signature? signature?