Meet-in-the-middle attacks on FOX block cipher
The security of the block cipher FOX against meet-in-the-middle attack was analyzed.Firstly,3-round meet-in-the-middle distinguishers was constructed and 6-round meet-in-the-middle attacks for FOX64 and FOX128 was proposed.The two attacks were beter attacks for 6-round FOX64 and FOX128,respectively....
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| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2016-08-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2016168/ |
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| Summary: | The security of the block cipher FOX against meet-in-the-middle attack was analyzed.Firstly,3-round meet-in-the-middle distinguishers was constructed and 6-round meet-in-the-middle attacks for FOX64 and FOX128 was proposed.The two attacks were beter attacks for 6-round FOX64 and FOX128,respectively.Secondly,the meet-in-the-middle distinguisher was extended of FOX128 to 4 rounds and proposed 7-round meet-in-the-middle attack combined with time/memory/data tradeoff.Compared to the currently known attacks on 7-round FOX128,The attack has a greater time and memory complexity,however the data complexity is much smaller. |
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| ISSN: | 1000-436X |