| Presentation | 2001/3/15 Gradually releasable commitment schemes and their applications Taiichi SAITO, Shigenori UCHIYAMA, Hikaru MORITA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Gradually releasable commitment scheme allows a party to transfer, bit by bit, bis committed secret to his counterpart. It can be applicable to many cryptographic protocols. This paper proposes two types of gradually releasable commitment schemes: one is computationaily secure and information-theoretically unalmbiguous, and the other is information-theoretically secure and computationally unam-biguous, which are based on one-way permutation and claw-free permutation pair, respectively. Moreover we describe their applications to cryptographic protocols. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | commitment scheme / one-way permutation / hardcore bit / claw-free permutation pair |
| Paper # | ISEC2000-105 |
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| Conference Information | |
| Committee | ISEC |
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| Conference Date | 2001/3/15(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 | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Gradually releasable commitment schemes and their applications |
| Sub Title (in English) | |
| Keyword(1) | commitment scheme |
| Keyword(2) | one-way permutation |
| Keyword(3) | hardcore bit |
| Keyword(4) | claw-free permutation pair |
| 1st Author's Name | Taiichi SAITO |
| 1st Author's Affiliation | NTT Laboratories() |
| 2nd Author's Name | Shigenori UCHIYAMA |
| 2nd Author's Affiliation | NTT Laboratories |
| 3rd Author's Name | Hikaru MORITA |
| 3rd Author's Affiliation | NTT Laboratories |
| Date | 2001/3/15 |
| Paper # | ISEC2000-105 |
| Volume (vol) | vol.100 |
| Number (no) | 691 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |