Paper 2022/1486 Original: eprint.iacr.org/2022/1486 ↗

Correlation Intractability and SNARGs from Sub-exponential DDH

Arka Rai Choudhuri
Sanjam Garg
Abhishek Jain
Zhengzhong Jin
Jiaheng Zhang
Abstract

We provide the first constructions of SNARGs for Batch-NP and P based solely on the sub-exponential Decisional Diffie Hellman (DDH) assumption. Our schemes achieve poly-logarithmic proof sizes. Central to our results and of independent interest is a new construction of correlation-intractable hash functions for ``small input'' product relations verifiable in $\mathsf{TC}^0$, based on sub-exponential DDH.

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Available format(s)
PDF
Category
Foundations
Publication info
Preprint.
History
2022-10-28: last updated
2022-10-28: published
Short URL
https://ia.cr/2022/1486
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2022/1486,
      author = {Arka Rai Choudhuri and Sanjam Garg and Abhishek Jain and Zhengzhong Jin and Jiaheng Zhang},
      title = {Correlation Intractability and SNARGs from Sub-exponential DDH},
      howpublished = {Cryptology {ePrint} Archive, Paper 2022/1486},
      year = {2022},
      url = {https://eprint.iacr.org/2022/1486}
}
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