A Robust and Fast Image Encryption Scheme Based on a Mixing Technique

Table 5

Information entropy of different encrypted images.

Key	Proposed scheme	[38] (2018)	[48] (2017)	[28] (2016)
Key 1 vs. key 2	99.729	99.61	99.727	99.651
Key 1 vs. key 3	99.803	99.62	99.678	99.605
Key 1 vs. key 4	99.727	99.65	99.769	99.592