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https://github.com/konnectors/ldlc — found via Mwmbl
konnectors/ldlc
Connectors for LDLC shopping website
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http://en.wikipedia.org/wiki/LDLC_OL — found via Mwmbl
LDLC OL - Wikipedia
Originally known as Team LDLC.com, it was named after a French company. On 7 January 2020, Team LDLC officially renamed to LDLC OL, following an announce…
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http://arxiv.org/abs/1503.03292v2 — found via Mwmbl
Improving GGH Public Key Scheme Using Low Density Lattice Codes
Goldreich-Goldwasser-Halevi (GGH) public key cryptosystem is an instance of lattice-based cryptosystems whose security is based on the hardness of lattice problems. In fact, GGH cryptosystem is the lattice version of the first code-based cryptosystem, proposed by McEliece. However, it has a number of drawbacks such as; large public key length and low security level. On the other hand, Low Density Lattice Codes (LDLCs) are the practical classes of lattice codes which can achieve capacity on the additive white Gaussian noise (AWGN) channel with low complexity decoding algorithm. This paper introduces a public key cryptosystem based on LDLCs to withdraw the drawbacks of GGH cryptosystem. To reduce the key length, we employ the generator matrix of the used LDLC in Hermite normal form (HNF) as the public key. Also, by exploiting the linear decoding complexity of the used LDLC, the decryption complexity is decreased compared with GGH cryptosystem. These increased efficiencies allow us to use the bigger values of security parameters. Moreover, we exploit the special Gaussian vector whose variance is upper bounded by the Poltyrev limit as the perturbation vector. These techniques can resist the proposed scheme against the most efficient attacks to the GGH-like cryptosystems.