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. 2018 Sep 19;20(9):716. doi: 10.3390/e20090716

Table 2.

Key space comparisons.

Encryption Algorithm Key Space
Proposed scheme 2339
Reference [24] 2149
Reference [25] 2256
Reference [31] 2299
Reference [32] 2375
Reference [33] >2128
Reference [34] 2357