| Presentation | 2007-07-20 A Construction Method of Nonlinear Piece In Hand Matrix for Universally Enhancing the Security of Various Multivariate Public Key Cryptosystems Shigeo TSUJII, Kohtaro TADAKI, Ryou FUJITA, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Considering invulnerability for a quantum computer, many multivariate public key cryptosystems have been proposed in Japan and abroad. As a universal method for enhancing the security of them, authors have proposed piece in hand matrix method. For piece in hand matrix, we could have two types of matrices: linear and nonlinear. We have already proposed on both cases. However, in the case of the nonlinear matrix, the degree of public key polynomials becomes three, which makes the key length longer. This time, we devised a nonlinear piece in hand matrix, where the degree of public key polynomials is kept two. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | public key cryptosystem / multivariate polynomial / multivariate public key cryptosystem / piece in hand concept / nonlinear matrix |
| Paper # | ISEC2007-56 |
| Date of Issue |
| Conference Information | |
| Committee | ISEC |
|---|---|
| Conference Date | 2007/7/13(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Information Security (ISEC) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Construction Method of Nonlinear Piece In Hand Matrix for Universally Enhancing the Security of Various Multivariate Public Key Cryptosystems |
| Sub Title (in English) | |
| Keyword(1) | public key cryptosystem |
| Keyword(2) | multivariate polynomial |
| Keyword(3) | multivariate public key cryptosystem |
| Keyword(4) | piece in hand concept |
| Keyword(5) | nonlinear matrix |
| 1st Author's Name | Shigeo TSUJII |
| 1st Author's Affiliation | Institute of Information Security() |
| 2nd Author's Name | Kohtaro TADAKI |
| 2nd Author's Affiliation | Research and Development Initiative, Chuo University |
| 3rd Author's Name | Ryou FUJITA |
| 3rd Author's Affiliation | Institute of Information Security |
| Date | 2007-07-20 |
| Paper # | ISEC2007-56 |
| Volume (vol) | vol.107 |
| Number (no) | 141 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |