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Expanded low-rank parity-check codes and their application to cryptography.
- Source :
-
Cryptologia . Jul2024, Vol. 48 Issue 4, p323-351. 29p. - Publication Year :
- 2024
-
Abstract
- In this paper, we define expanded LRPC codes from LRPC codes with a decoding algorithm using the one of the underlying LRPC codes. Next, we propose to use these codes for cryptography by deriving two cryptosystems in a McEliece setting. in order to reduce the key sizes, we use a generator matrix in systematic form for the first scheme, and an m − order quasi-cyclic LRPC code that we define for the second scheme. The obtained code has a very poor structure and is more likely to be a random linear code. Next, we give some security parameters and compare the key sizes of our public key with the key sizes of some cryptosystems. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01611194
- Volume :
- 48
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Cryptologia
- Publication Type :
- Academic Journal
- Accession number :
- 178024902
- Full Text :
- https://doi.org/10.1080/01611194.2023.2202960