A Polynomial Multiplication Accelerator for Faster Lattice Cipher Algorithm in Security Chip.
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| Názov: | A Polynomial Multiplication Accelerator for Faster Lattice Cipher Algorithm in Security Chip. |
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| Autori: | Xu, Changbao, Yu, Hongzhou, Xi, Wei, Zhu, Jianyang, Chen, Chen, Jiang, Xiaowen |
| Zdroj: | Electronics (2079-9292); Feb2023, Vol. 12 Issue 4, p951, 21p |
| Predmety: | MULTIPLICATION, POLYNOMIALS, CIPHERS, ALGORITHMS, SECURITY management, MULTIPLIERS (Mathematical analysis), BLOCK ciphers |
| Abstrakt: | Polynomial multiplication is the most computationally expensive part of the lattice-based cryptography algorithm. However, the existing acceleration schemes have problems, such as low performance and high hardware resource overhead. Based on the polynomial multiplication of number theoretic transformation (NTT), this paper proposed a simple element of Montgomery module reduction with pipeline structure to realize fast module multiplication. In order to improve the throughput of the NTT module, the block storage technology is used in the NTT hardware module to enable the computing unit to read and write data alternately. Based on the NTT hardware module, a precalculated parameter storage and real-time calculation method suitable for the hardware architecture of this paper is also proposed. Finally, the hardware of polynomial multiplier based on NTT module is implemented, and its function simulation and performance evaluation are carried out. The results show that the proposed hardware accelerator can have excellent computing performance while using fewer hardware resources, thus meeting the requirements of lattice cipher algorithms in security chips. Compared with the existing studies, the computing performance of the polynomial multiplier designed in this paper is improved by approximately 1 to 3 times, and the slice resources and storage resources used are reduced by approximately 60% and 17%, respectively. [ABSTRACT FROM AUTHOR] |
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| Databáza: | Complementary Index |
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