| Presentation | 2000/3/17 On the Recursive SPN Structure Kenji Ohkuma, Hirofumi Muratani, Fumihiko Sano, Shinichi Kawamura, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper describes a new symmetric block cryptosystem, which has a recursive(nested)SPN structure, where 2-round SPN structures in the lower hierarchy are embedded into S-box positions in SPN of the upper hierarchy. Due to the recursive structure, it is easy to estimate the branch number, which is one of the most important security criteria for such block cryptosystems. Expected differential and linear characteristics are derived theoretically by using the branch number. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | symmetric block cipher / nested SPN structure / recursive SPN structure / branch number / active S-box |
| Paper # | IT99-102,ISEC99-141,SST99-150 |
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| Conference Information | |
| Committee | IT |
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| Conference Date | 2000/3/17(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 Theory (IT) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On the Recursive SPN Structure |
| Sub Title (in English) | |
| Keyword(1) | symmetric block cipher |
| Keyword(2) | nested SPN structure |
| Keyword(3) | recursive SPN structure |
| Keyword(4) | branch number |
| Keyword(5) | active S-box |
| 1st Author's Name | Kenji Ohkuma |
| 1st Author's Affiliation | Corporate Research & Development Center, Toshiba Corporation() |
| 2nd Author's Name | Hirofumi Muratani |
| 2nd Author's Affiliation | Corporate Research & Development Center, Toshiba Corporation |
| 3rd Author's Name | Fumihiko Sano |
| 3rd Author's Affiliation | SI Technology Center, Toshiba Corpration |
| 4th Author's Name | Shinichi Kawamura |
| 4th Author's Affiliation | Corporate Research & Development Center, Toshiba Corporation |
| Date | 2000/3/17 |
| Paper # | IT99-102,ISEC99-141,SST99-150 |
| Volume (vol) | vol.99 |
| Number (no) | 700 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |