Paper 2022/040

Ensuring Accountability and Outsourced Decryption in IoT Systems using Ciphertext-Policy Attribute-Based Encryption

AMBILI K N and JIMMY JOSE

Abstract

Attribute based cryptography enhances the chances of secure communication on large scale. There are several features of attribute based encryption which have been proposed as different protocols. Most of these are suitable for access control in large systems like cloud services. Very few protocols focus on reducing the computational overhead for lower end devices like Internet of Things sensors and actuators. Hence, it is desirable to have a mix of features in protocols for IoT architecture. Our protocol enforces accountability of different parties involved while reducing the computational overhead during decryption on miniature devices. We prove that our protocol is RCCA-secure in selective security model and achieve accountability and unlinkability.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Preprint. MINOR revision.
Keywords
ABECP-ABEAccountabilityOutsourced DecryptionPaillier based CryptographyIoT Systems
Contact author(s)
ambili_p180002cs @ nitc ac in
History
2022-01-14: received
Short URL
https://ia.cr/2022/040
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2022/040,
      author = {AMBILI K N and JIMMY JOSE},
      title = {Ensuring Accountability and Outsourced Decryption in IoT Systems using Ciphertext-Policy Attribute-Based Encryption},
      howpublished = {Cryptology ePrint Archive, Paper 2022/040},
      year = {2022},
      note = {\url{https://eprint.iacr.org/2022/040}},
      url = {https://eprint.iacr.org/2022/040}
}
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