| Presentation | 2002/5/15 Higher Order Differential Attack of Camellia (II) Yasuo HATANO, Hiroki SEKINE, Toshinobu KANEKO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Camellia is a 128-bit block cipher, proposed by NTT and Mistubishi in 2000. It has been shown that 10 round variant without FL function under a 256-bit secret key is attackable by Higher Order Differential Attack, and even if FL function is included, 9 round variant is attackble by Square Attack. In this paper, we present a new attack of Camellia using 16-th order differential, and show that 11 round variant without FL function is attackable. Morever, we show that 11 round variant with FL function is attackable, if we use chosen ciphertexts for this attack. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Camellia / Higher Order Differential Attack / Chosen ciphertext attack |
| Paper # | ISEC2002-2 |
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| Conference Information | |
| Committee | ISEC |
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| Conference Date | 2002/5/15(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Information Security (ISEC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Higher Order Differential Attack of Camellia (II) |
| Sub Title (in English) | |
| Keyword(1) | Camellia |
| Keyword(2) | Higher Order Differential Attack |
| Keyword(3) | Chosen ciphertext attack |
| 1st Author's Name | Yasuo HATANO |
| 1st Author's Affiliation | Department of Electrical Engineering() |
| 2nd Author's Name | Hiroki SEKINE |
| 2nd Author's Affiliation | Department of Electrical Engineering |
| 3rd Author's Name | Toshinobu KANEKO |
| 3rd Author's Affiliation | Department of Electrical Engineering |
| Date | 2002/5/15 |
| Paper # | ISEC2002-2 |
| Volume (vol) | vol.102 |
| Number (no) | 71 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |