Research Article
Image Encryption Using a Lightweight Stream Encryption Algorithm
Table 2
Quality results of encrypted images. Grayscale type with 256 × 256 size.
| | File name | File description | The proposed algorithm | A5/1 | W7 |
| | 4.2.04 | Girl (Lena) | 170 | 169.38 | 168.50 | | 5.1.12 | Clock | 242.80 | 242.33 | 241.59 | | 5.1.13 | Resolution chart | 454.91 | 455.33 | 454.61 | | 5.1.14 | Chemical plant | 206.33 | 207.10 | 206.14 | | 5.2.08 | Couple | 235.55 | 222.86 | 220.66 | | 5.2.09 | Aerial | 265.77 | 267.99 | 265.14 | | 5.2.10 | Stream and bridge | 140.99 | 141.32 | 140.84 | | 5.3.01 | Man | 145.16 | 145.09 | 143.71 | | 5.3.02 | Airport | 288.84 | 289.16 | 288.08 |
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