The KEM BIKE is a Round-3 alternative finalist in the NIST Post-Quantum Cryptography project. It uses the FO⊥̸ transformation so that an instantiation with a decoder that has a DFR of 2- 128 will make it IND-CCA secure. The current BIKE design does not bind the randomness of the ciphertexts (i.e., the error vectors) to a specific public key. We propose to change this design, although currently, there is no attack that leverages this property. This modification can be considered if BIKE is eventually standardized.
|Title of host publication||Cyber Security Cryptography and Machine Learning - 5th International Symposium, CSCML 2021, Proceedings|
|Editors||Shlomi Dolev, Oded Margalit, Benny Pinkas, Alexander Schwarzmann|
|Publisher||Springer Science and Business Media Deutschland GmbH|
|Number of pages||7|
|State||Published - 2021|
|Event||5th International Symposium on Cyber Security Cryptography and Machine Learning, CSCML 2021 - Be'er Sheva, Israel|
Duration: 8 Jul 2021 → 9 Jul 2021
|Name||Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|
|Conference||5th International Symposium on Cyber Security Cryptography and Machine Learning, CSCML 2021|
|Period||8/07/21 → 9/07/21|
Bibliographical noteFunding Information:
Acknowledgments. This research was supported by: NSF-BSF Grant 2018640; NSF Grant CNS 1906360; The Israel Science Foundation (grant No. 3380/19); The BIU Center for Research in Applied Cryptography and Cyber Security, and the Center for Cyber Law and Policy at the University of Haifa, both in conjunction with the Israel National Cyber Bureau in the Prime Minister’s Office.
© 2021, Springer Nature Switzerland AG.
- Ciphertext binding
- Post-Quantum Cryptography
- QC-MDPC codes
ASJC Scopus subject areas
- Theoretical Computer Science
- Computer Science (all)