The Modification of the Quantum-Resistant AJPS-1 Cryptographic Primitive
In recent years, quantum-resistant cryptography has been steadily developing, which is due, in particular, to the post-quantum cryptosystems competition of the National Institute of Standards and Technology (NIST), which has been ongoing since 2017. One of the participants in the first round of the competition is the AJPS cryptosystem. In this work, we propose the modification of the AJPS cryptosystem for bit-by-bit encryption by changing the numbers class used in the cryptosystem as a module. This modification increases the variability of the cryptosystem parameters.
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