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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yap, Wun She Phan, Raphael C. W. Goi, Bok Min |
| Copyright Year | 2016 |
| Abstract | Wadi and Zainal recently proposed a high definition image encryption algorithm based on a modified AES-128 block cipher in (Wirel Pers Commun 79(2):811–829, 2014). In this paper, we show that the core component of their image encryption algorithm, a modified AES-128 cipher, is insecure against impossible differential attack. The proposed impossible differential attack on the full rounds of the modified AES-128 cipher has a time complexity of around $$2^{88.74}$$ encryptions with $$2^{114.06}$$ chosen plaintexts and $$2^{99}$$ bytes of memory, in contrast to the expected security of $$2^{128}$$ . The existence of such an attack disproves the claims made by the designers that their modified AES-128 cipher improves the security of the AES cipher and that it can subsequently be used to construct a secure image encryption scheme. The root cause of this attack, some other issues with the modified AES cipher and possible solutions are described to serve as important remarks in designing a secure image encryption scheme. |
| Starting Page | 685 |
| Ending Page | 699 |
| Page Count | 15 |
| File Format | |
| ISSN | 09296212 |
| Journal | Wireless Personal Communications |
| Volume Number | 88 |
| Issue Number | 3 |
| e-ISSN | 1572834X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-02-02 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Image encryption Modified AES Cryptanalysis Impossible differential attack Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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