# All Questions

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### What cipher algorithm is this routine using? [closed]

I transfered a code routine from Java to Python: ...
Can an adversary who haven't seen the message before forge the signature of that message? The adversary has seen $σ_1 = (m_1)^d \bmod N$ and $σ_2 = (m_2)^d \bmod N$ He forges $m' = m_1\cdot m_2$ \$σ' ...