. 2023 May 26;9:e1391. doi: 10.7717/peerj-cs.1391

Table 4. A comparison for the NTRU/D-NTRU-based IND-CCA2 KEM schemes.

Security level	Parameters	N	q	pk	sk	ct
Security level	Schemes	N	q	pk	sk	ct
128	ntruhps2048509	509	2,048	699	935	699
128	Ours	509	$q_{1}$ = 2,027 $q_{2}$ = 2,029	1,397	1,599	1,461
192	ntruhps2048677	677	2,048	930	1,234	930
192	Ours	677	$q_{1}$ = 2,027 $q_{2}$ = 2,029	1,859	2,127	1,943
256	ntruhps4096821	821	4,096	1,230	1,590	1,230
256	Ours	821	$q_{1}$ = 4,091 $q_{2}$ = 4,093	2,462	2,787	2,565