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This paper elaborates on the design of Multiple Serially Concatenated Multiple Parity-Check (M-SC-MPC) codes, that are a class of structured Low-Density Parity-Check (LDPC) codes recently proposed by the authors. M-SC-MPC codes are obtained as the serial concatenation of simple component codes, and their associated Tanner graph can be free of short length cycles. In this paper, we adopt a modified...
We consider possible inclusion of quasi-cyclic low-density parity-check codes in the McEliece cryptosystem, in order to verify the joined security/error control action that this scheme can potentially achieve. As the linearity of the transformation from the private key to the public key exposes the system to the risk of a total break attack, suitable conditions tailored for this class of codes are...
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