A survey of post-quantum cryptographic chips: Current status, challenges, and future directions

Open Access

Review

Table 1.

Comparisons with the two major NTT architectures

	Area overheads	Memory accesses	Latency overheads	Reusability
Vectorized NTT	Low	High	Low	High
89, [31, 50, 90]		(Each vector)

R2MDC NTT	Medium	Low	Medium	Medium
91	(Registers/SRAM overheads)		(Pipeline loading)

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