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On the Decoding Failure Rate of QC-MDPC Bit-Flipping Decoders
code-based cryptography MDPC codes iterative decoding
2018/12/20
Quasi-cyclic moderate density parity check codes allow the design of McEliece-like public-key encryption schemes with compact keys and a security that provably reduces to hard decoding problems for qu...
QC-MDPC: A Timing Attack and a CCA2 KEM
post-quantum cryptography code-based cryptography QC-MDPC codes
2018/3/12
In 2013, Misoczki, Tillich, Sendrier and Barreto proposed a variant of the McEliece cryptosystem based on quasi-cyclic moderate-density parity-check (QC-MDPC) codes. This proposal uses an iterative bi...
A toolbox for software optimization of QC-MDPC code-based cryptosystems
Code-based cryptosystems MDPC
2018/1/2
The anticipated emergence of quantum computers in the foreseeable future drives the cryptographic community to start considering cryptosystems, which are based on problems that remain intractable even...
A Key Recovery Attack on MDPC with CCA Security Using Decoding Errors
CCA-security key-recovery attack post-quantum cryptography
2016/12/10
Algorithms for secure encryption in a post-quantum world are currently receiving a lot of attention in the research community, including several larger projects and a standardization effort from NIST....
Optimizing Information Set Decoding Algorithms to Attack Cyclosymmetric MDPC Codes
information set decoding code-based cryptography
2016/1/9
The most important drawback to code-based cryptography
has historically been its large key sizes. Recently, several promising approaches
have been proposed to reduce keysizes. In particular, signifi...
Smaller Keys for Code-Based Cryptography: QC-MDPC McEliece Implementations on Embedded Devices
MDPC LDPC FPGA
2015/12/30
In the last years code-based cryptosystems were established as promising alternatives for
asymmetric cryptography since they base their security on well-known NP-hard problems and still
show decent ...