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[donau] branch master updated: Chapter 3: small edits


From: gnunet
Subject: [donau] branch master updated: Chapter 3: small edits
Date: Tue, 21 Jan 2025 18:40:28 +0100

This is an automated email from the git hooks/post-receive script.

jonathan-levin pushed a commit to branch master
in repository donau.

The following commit(s) were added to refs/heads/master by this push:
     new d0e0156  Chapter 3: small edits
d0e0156 is described below

commit d0e01568f6fe2bb475f45b4d5f8e8dbf617f44e0
Author: Jonathan <ondesmartenot@riseup.net>
AuthorDate: Wed Jan 22 01:40:10 2025 +0800

    Chapter 3: small edits
---
 doc/usenix-security-2025/paper/technicaldesign.tex | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/doc/usenix-security-2025/paper/technicaldesign.tex 
b/doc/usenix-security-2025/paper/technicaldesign.tex
index 5d71140..b266a73 100644
--- a/doc/usenix-security-2025/paper/technicaldesign.tex
+++ b/doc/usenix-security-2025/paper/technicaldesign.tex
@@ -226,7 +226,7 @@ The charity sends the array $\vec{\mu}$ of BKPs and their 
signature $\sigma_c$ t
 \subsection{Donau generates donation 
receipt}\label{donau_creates_donation_receipt}
 When the Donau receives a signed set of BKPs from a charity, it verifies the 
charity's signature.
 It then checks that no legal restrictions are being violated.
-If not, the Donau increments its record of the charity's total receipts by the
+If none are, the Donau increments its record of the charity's total receipts 
by the
 total amount of the donation, i.e., the sum of the denominations used in the
 BKPs.
 The Donau then blindly signs all BUDIs using the Donation Unit private keys
@@ -266,7 +266,7 @@ These donation receipts are stored on the donor's device.
 
 \subsection{Donor requests an annual donation statement from 
Donau}\label{donor_requests_a_donation_statement_from_the_donau}
 In order for the donor to claim a tax deduction,
-the donor needs to obtain a final \textbf{Donation Statement} which can be 
sent to the tax authority.
+the donor needs to obtain a final donation statement which can be sent to the 
tax authority.
 The donor sends their saved donation receipts $\{r_1, \ldots, r_k\}$, 
accumulated throughout the year, to the Donau.
 This can be done multiple times during the year, but the receipts are not 
automatically in order to achieve
 \emph{unlinkability} between the \emph{issuance} of the receipts (which 
happens at the time of donation) and their \emph{submission} for the Donation 
Statement.
@@ -288,8 +288,7 @@ identified as $\DI$.
 Importantly, the Donau does not see signatures of the charities the donor
 donated to, so it does not know where the donor spent money.
 They also only see a collection of common denominations, so they are unable to 
correlate total donation amounts per charity.
-Finally, the receipts are unblinded, so the Donau has never seen these 
signatures before.
-This makes the receipts unlinkable from when they were originally signed by 
the Donau.
+Finally, the receipts are unblinded, so they are unlinkable to any signature 
the Donau has seen before.
 
 The Donau then generates a signature over the total \texttt{amount} of all 
receipts, the current \texttt{year} and the Donor Identifier.
 This results in a final signature called the \textbf{Donation Statement}, 
which the Donau returns to the donor:

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