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Restructured from flat .tex/.pdf files into per-paper subdirectories. Added Antje Worring as co-author on all papers. Synced PDFs to pdfs/ for download site.
23 lines
708 B
TeX
23 lines
708 B
TeX
\section{Ciphertext Sizes}
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\begin{table}[h]
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\centering
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\begin{tabular}{@{}lrr@{}}
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\toprule
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\textbf{Type} & \textbf{PN10QP27} & \textbf{PN11QP54} \\
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\midrule
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Single bit (LWE) & 8.2 KB & 32.8 KB \\
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uint8 (4 blocks) & 32.8 KB & 131 KB \\
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uint32 (16 blocks) & 131 KB & 524 KB \\
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uint64 (32 blocks) & 262 KB & 1,048 KB \\
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uint256 (128 blocks) & 1,050 KB & 4,194 KB \\
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\bottomrule
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\end{tabular}
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\caption{Serialized ciphertext sizes. Each block is one LWE ciphertext.}
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\label{tab:ct-sizes}
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\end{table}
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Ciphertext growth is linear in the number of radix blocks. For on-chain storage (encrypted ZapDB), this is the dominant cost. A confidential ERC-20 balance (uint256) costs $\sim$1\,MB per account on PN10QP27.
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