diff options
Diffstat (limited to 'taler-fc19')
| -rw-r--r-- | taler-fc19/paper.tex | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/taler-fc19/paper.tex b/taler-fc19/paper.tex index a69d099..93ebe6e 100644 --- a/taler-fc19/paper.tex +++ b/taler-fc19/paper.tex @@ -780,17 +780,17 @@ We require the following two security properties for $\textsc{BlindSign}$: \begin{itemize}
\item \emph{blindness}: Let $M$ be the set of all possible messages and $\overline{M}$ be the
set of all possible blinded messages. Then the distribution of
- \[ \left\{ (m, \simga, \overline{m}, \overline{\simga}) \,\middle|
+ \[ \left\{ (m, \sigma, \overline{m}, \overline{\sigma}) \,\middle|
m\, \randsel M,
\overline{m} \leftarrow \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), m),
- \overline{\simga} \leftarrow \algo{Sign}_{BS}(\V{sk}, \overline{m}),
+ \overline{\sigma} \leftarrow \algo{Sign}_{BS}(\V{sk}, \overline{m}),
\sigma \leftarrow \algo{UnblindSig}_{BS}(r, m, \overline{\sigma})
\right\} \]
must be computationally
indistinguishable from
- \[ \left\{ (m, \simga, x, \simga_x) \,\middle|\,
+ \[ \left\{ (m, \sigma, x, \sigma_x) \,\middle|\,
m \randsel M,
- \sigma \eftarrow \algo{UnblindSig}_{BS}(r, m, \algo{Sign}_{BS}(\V{sk}, \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), m)) )
+ \sigma \leftarrow \algo{UnblindSig}_{BS}(r, m, \algo{Sign}_{BS}(\V{sk}, \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), m)) )
x \randsel \overline{M},
\sigma_x \leftarrow \algo{UnblindSig}_{BS}(r, x, \algo{Sign}_{BS}(\V{sk}, \algo{Blind}_{BS}(\mathcal{S}(\V{sk}), x)) )
\right\}. \]
|