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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2506.23050 |
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| _version_ | 1866916815142125568 |
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| author | Cornwell, David |
| author_facet | Cornwell, David |
| contents | We investigate properties of equivalence classes in AES which arise naturally from properties of MixColumns and InvMixColumns. These two operations have the property that the XOR of the 4 input bytes equals the XOR of 4 output bytes. We examine the effect on equivalence classes due to the operation of SubBytes, ShiftRows, MixColumns and AddRoundKey. The next phase of research is to find a key recovery attack using known (plaintext, ciphertext) equivalence class pairs.
Keywords: AES, Equivalence, Class, MixColumns, ShiftRows, SubBytes, AddRoundKey, Schedule, State, XOR |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_23050 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Equivalence Classes in AES -- Part 1 Cornwell, David Cryptography and Security We investigate properties of equivalence classes in AES which arise naturally from properties of MixColumns and InvMixColumns. These two operations have the property that the XOR of the 4 input bytes equals the XOR of 4 output bytes. We examine the effect on equivalence classes due to the operation of SubBytes, ShiftRows, MixColumns and AddRoundKey. The next phase of research is to find a key recovery attack using known (plaintext, ciphertext) equivalence class pairs. Keywords: AES, Equivalence, Class, MixColumns, ShiftRows, SubBytes, AddRoundKey, Schedule, State, XOR |
| title | Equivalence Classes in AES -- Part 1 |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2506.23050 |