Presentation | 2000/11/6 An Idea to Build More Secure Cryptosystem Using Conventional Block Ciphers Norio Terauhi, Atsuko Miyaji, |
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PDF Download Page | PDF download Page Link |
Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | If it is a situation where the security of conventional cipher deteriorate and we can not prepare a new algorithem immediately, we must improve the security of conventional cipher. In this paper we propose an idea to build more secure cryptosystem using an underlying block cipher. The existing schemes such as Triple DES using DES do not provide security corresponding to the full key length. Our scheme provides the seurity corresponding to the full key length under certain conditions. Furthermore we show that breaking our scheme is at least as hard as breaking the underlying block cipher. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | DES / AES / Trilple DES / security evaluation |
Paper # | ISEC2000-86 |
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Conference Information | |
Committee | ISEC |
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Conference Date | 2000/11/6(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 Security (ISEC) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | An Idea to Build More Secure Cryptosystem Using Conventional Block Ciphers |
Sub Title (in English) | |
Keyword(1) | DES |
Keyword(2) | AES |
Keyword(3) | Trilple DES |
Keyword(4) | security evaluation |
1st Author's Name | Norio Terauhi |
1st Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology(JAIST)() |
2nd Author's Name | Atsuko Miyaji |
2nd Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology(JAIST) |
Date | 2000/11/6 |
Paper # | ISEC2000-86 |
Volume (vol) | vol.100 |
Number (no) | 421 |
Page | pp.pp.- |
#Pages | 7 |
Date of Issue |