On security aspects of CRISP

Vitaly Kiryukhin

Paper 2023/1303

On security aspects of CRISP

Vitaly Kiryukhin, LLC "SFB Lab", JSC "InfoTeCS"

Abstract

Using the provable security approach, we analyze CRISP – a standardized Russian cryptographic protocol that aims to ensure confidentiality, integrity of transmitted messages, as well as protection against replay attacks. The protocol is considered as a specific mode of authenticated encryption with associated data (AEAD). We take into account that one key can be used by many protocol's participants and in different cipher suites. We impose requirements for the set of the cipher suites used in the protocol and show that the existing ones meet them. Estimates of the maximum allowable amount of data processed using a single key are also given.

Metadata

Available format(s): PDF
Category: Cryptographic protocols
Publication info: Published elsewhere. Minor revision. CTCrypt 2023 - 12th Workshop on Current Trends in Cryptology, June 6–9, 2023, Volgograd, Russia
Keywords: CRISP provable security AEAD
Contact author(s): vitaly kiryukhin @ sfblaboratory ru
History: 2023-09-02: approved; 2023-09-01: received; See all versions
Short URL: https://ia.cr/2023/1303
License: CC BY

BibTeX

@misc{cryptoeprint:2023/1303,
      author = {Vitaly Kiryukhin},
      title = {On security aspects of CRISP},
      howpublished = {Cryptology ePrint Archive, Paper 2023/1303},
      year = {2023},
      note = {\url{https://eprint.iacr.org/2023/1303}},
      url = {https://eprint.iacr.org/2023/1303}
}