[taler-donau] branch master updated: [doc] blinded UDI, BUDI clarification

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lukas-matyja pushed a commit to branch master
in repository donau.

The following commit(s) were added to refs/heads/master by this push:
     new 82beda1  [doc] blinded UDI, BUDI clarification
82beda1 is described below

commit 82beda1b3ae63c33b71589a2fce239e72d8cfc35
Author: Matyja Lukas Adam <lukas.matyja@students.bfh.ch>
AuthorDate: Sun Oct 22 23:30:32 2023 +0200

    [doc] blinded UDI, BUDI clarification
---
 doc/flows/main.tex | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/doc/flows/main.tex b/doc/flows/main.tex
index 69b8768..8d60ec0 100644
--- a/doc/flows/main.tex
+++ b/doc/flows/main.tex
@@ -36,7 +36,7 @@
 
   \item \textbf{Unique Donor Identifier} $UDI = \langle H(\texttt{TAXID}, 
\texttt{SALT}), \texttt{NONCE} \rangle$
 
-  \item \textbf{Blinded Unique Donor Identifier} $BUDI = \langle 
\overline{\gamma}, H(K_x^{pub}) \rangle$, blinded to protect the privacy of the 
donor
+  \item \textbf{Blinded Unique Donor Identifier} $BUDI = \langle blinded$ 
$UDI, H(K_x^{pub}) \rangle$, blinded to protect the privacy of the donor
 
   \item \textbf{Donation Receipt} $DR = \langle UDI, \gamma, H(K_x^{pub}) 
\rangle$ where $\gamma$ is the unblinded signature: Sent to the Donau to get 
the donation Statement.
 
@@ -53,7 +53,7 @@
 
   \item The Donau generates the donation units ($DU$'s) consisting of 
$K_x^{pub}$ and $K_x^{priv}$ where $x$ is the associated value.
 
-  \item The charity generates the key pair $(C^{pub}, C^{priv})$.
+  \item The charity generates the key pair $(C^{pub}, C^{priv})$ and downloads 
the $DU's$ from the donau.
 
   \item The Donau administrator registers the public key $C_{pub}$ and sets 
the yearly donation limit for the charities.
 \end{enumerate}
@@ -102,12 +102,12 @@
 
       \item increments the current amount of donations received per year of 
the charity. This value is increased by the total amount of the $BUDI$'s, if 
the increment does not exceed the annual limit.
 
-      \item blind signs all the $BUDI$'s using the $DU$ private keys 
$K_x^{priv}$ matching the public keys $H(K^{pub})$ used in the $BUDI$'s.
+      \item blind signs all the $blinded$ $UDI$'s using the $DU$ private keys 
$K_x^{priv}$ matching the public keys $H(K^{pub})$ used in the $BUDI$'s.
 
         \begin{align}
-          \overline{\gamma_1} = \overline{\Gamma}(BUDI_1, K_x^{priv}) \\
+          \overline{\gamma_1} = \overline{\Gamma}(blinded\ UDI_1, K_x^{priv}) 
\\
           ... \\
-          \overline{\gamma_i} = \overline{\Gamma}(BUDI_i, K_x^{priv})
+          \overline{\gamma_i} = \overline{\Gamma}(blinded\ UDI_i, K_x^{priv})
         \end{align}
 
       \item sends back the blind signatures $\overline{\gamma_1}, ..., 
\overline{\gamma_i}$ to the charity.

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