Research Article
Chaotic Image Encryption Based on Running-Key Related to Plaintext
Table 4
Information entropy.
| | | Shannon entropy | Min-entropy |
| | Lena image | | | | Plain-image | 7.4420 | 6.5304 | | Cipher [11] | 7.9894 | 7.6469 | | Our cipher | 7.9895 | 7.7857 | | Penguin image | | | | Plain-image | 3.1176 | 1.4634 | | Cipher [11] | 7.9897 | 7.7568 | | Our cipher | 7.9904 | 7.7664 |
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