MathCryptography

The discrete logarithm problem

Logarithm of an inverse

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Select the correct formula for $\log_{g}(h^{-1})$ in $\mathbb{Z}^{*}_{p}$ (suppose that $h \neq 1 \bmod p$ ).

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\log_{g}(h^{-1}) = p - \log_{g}h

\log_{g}(h^{-1}) = \log_{g}h

\log_{g}(h^{-1}) = p - \log_{g}h - 1

\log_{g}(h^{-1}) = \log_{g}h - 1

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