Research Article

Efficient Lattice-Based Signcryption in Standard Model

Table 5

Average matrix computation cost in signcryption/unsigncryption (s).

ā€‰ Settings no. 1 2 3 4 5 6 7

Li
Signcrypt 0.012 0.014 0.03 0.044 0.053 0.09 2.248
Unsigncrypt 1.624 1.715 4.062 6.922 7.251 11.72 4515.09
Wang
Signcrypt 0.975 1.138 2.428 3.553 4.294 7.271 179.971
Unsigncrypt 2.5635 2.813 6.756 10.431 12.0712 18.415 4695.269
Ours
Signcrypt 0.316 0.356 0.857 1.307 1.504 2.384 7.506
Unsigncrypt 0.454 0.522 1.257 2.175 2.229 3.48 10.954