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authorChristian Grothoff <christian@grothoff.org>2018-09-25 10:22:29 +0200
committerChristian Grothoff <christian@grothoff.org>2018-09-25 10:22:29 +0200
commit6318b2836fbee3c21e83a1c2d33a87981e34fe4a (patch)
tree8201ddb0ca9840aa578206c8a43cd7f4485b1680
parent020ddeca0a98028a026a19ff3b9e524e5652c6e3 (diff)
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undo no unblinding for \sigma_x -- x is also not blinded
-rw-r--r--taler-fc19/paper.tex2
1 files changed, 1 insertions, 1 deletions
diff --git a/taler-fc19/paper.tex b/taler-fc19/paper.tex
index 2d173b7..e69c073 100644
--- a/taler-fc19/paper.tex
+++ b/taler-fc19/paper.tex
@@ -790,7 +790,7 @@ We require the following two security properties for $\textsc{BlindSign}$:
m \randsel M, \\
\sigma \leftarrow \algo{UnblindSig}_{BS}(r, m, \algo{Sign}_{BS}(\V{sk}, \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), m)) ) \\
x \randsel \overline{M}, \\
- \sigma_x \leftarrow \algo{Sign}_{BS}(\V{sk}, \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), x))
+ \sigma_x \leftarrow \algo{UnblindSig}_{BS}(r, x, \algo{Sign}_{BS}(\V{sk}, \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), x)) )
\end{array}
\right\}. \]
\item \emph{unforgeability}: An adversary that requests $k$ signatures with $\algo{Sign}_{BS}$