| Presentation | 2015-03-04 New Linear Correlations and Analysis Method for Key Recovery Attack of RC4 in WPA Daiki MICHIHIRO, Atsuko MIYAJI, Ryoma ITO, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The first three bytes of the RC4 key in WPA are derived from the public parameter IV, and also the attacker can obtain them. These keys cause the initial keystream and the permutation strong correlations. In FSE 2014, Sen Gupta et al. and Paterson et al. proposed the plaintext recovery attack using them, and Ito et al. proposed the state recovery attack using them in SCIS 2015. In this paper, motivated by the work of Sen Gupta et al., we show the new linear correlations which allow us to guess the fourth byte of the key with high probability for the key recovery attack. Further, we propose new analysis method using the combined linear correlation having bias toward the arbitrary value. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | RC4 / WPA / Linear Correlation / Key Recovery |
| Paper # | ICSS2014-85 |
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| Conference Information | |
| Committee | ICSS |
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| Conference Date | 2015/2/24(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Information and Communication System Security (ICSS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | New Linear Correlations and Analysis Method for Key Recovery Attack of RC4 in WPA |
| Sub Title (in English) | |
| Keyword(1) | RC4 |
| Keyword(2) | WPA |
| Keyword(3) | Linear Correlation |
| Keyword(4) | Key Recovery |
| 1st Author's Name | Daiki MICHIHIRO |
| 1st Author's Affiliation | Japan Advanced Institute of Science and Technology() |
| 2nd Author's Name | Atsuko MIYAJI |
| 2nd Author's Affiliation | Japan Advanced Institute of Science and Technology:JST CREST |
| 3rd Author's Name | Ryoma ITO |
| 3rd Author's Affiliation | Japan Advanced Institute of Science and Technology |
| Date | 2015-03-04 |
| Paper # | ICSS2014-85 |
| Volume (vol) | vol.114 |
| Number (no) | 489 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |