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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Baldi, M. Bianchi, M. Chiaraluce, F. |
| Copyright Year | 2013 |
| Description | Author affiliation: DII, Univ. Politec. delle Marche, Ancona, Italy (Baldi, M.; Bianchi, M.; Chiaraluce, F.) |
| Abstract | Low-density parity-check (LDPC) codes are one of the most promising families of codes to replace the Goppa codes originally used in the McEliece cryptosystem. In fact, it has been shown that by using quasi-cyclic low-density parity-check (QC-LDPC) codes in this system, drastic reductions in the public key size can be achieved, while maintaining fixed security levels. Recently, some proposals have appeared in the literature using codes with denser parity-check matrices, named moderate-density parity-check (MDPC) codes. However, the density of the parity-check matrices to be used in QC-LDPC code-based variants of the McEliece cryptosystem has never been optimized. This paper aims at filling such gap, by proposing a procedure for selecting the density of the private parity-check matrix, based on the security level and the decryption complexity. We provide some examples of the system parameters obtained through the proposed technique. |
| Starting Page | 707 |
| Ending Page | 711 |
| File Size | 353188 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781467357531 |
| DOI | 10.1109/ICCW.2013.6649325 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-06-09 |
| Publisher Place | Hungary |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Public key Parity check codes Decoding Complexity theory Sparse matrices |
| Content Type | Text |
| Resource Type | Article |
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