Improving the Rao-Nam secret key cryptosystem using regular EDF-QC-LDPC codes
作者： Taraneh Eghlidos , Reza Hooshmand , Mohammad Reza Aref
DOI: 10.22042/ISECURE.2015.4.1.2
关键词:
摘要: This paper proposes an efficient joint secret key encryption-channel coding cryptosystem, based on regular Extended Difference Family Quasi-Cyclic Low-Density Parity-Check codes. The length of the proposed cryptosystem decreases up to 85 percent using a new compression algorithm. Cryptanalytic methods show that improved has significant security advantage over Rao-Nam against chosen plaintext attacks, benefiting from improvement structure and proper choices code parameters. Moreover, benefits highest rate error performance.
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