Provably secure partially blind signature without trusted PKG
Using gap Diffie-Hellman groups, based partially blind signature scheme, an efficient ID-based partially blind signature scheme without trusted private key generator (PKG) was proposed. In this scheme, PKG was prevented from forging a legal user’s signature because it only generated partial private...
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Format: | Article |
Language: | zho |
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Editorial Department of Journal on Communications
2010-01-01
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Series: | Tongxin xuebao |
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Online Access: | http://www.joconline.com.cn/zh/article/74649640/ |
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author | FENG Tao1 PENG Wei1 MA Jian-feng3 |
author_facet | FENG Tao1 PENG Wei1 MA Jian-feng3 |
author_sort | FENG Tao1 |
collection | DOAJ |
description | Using gap Diffie-Hellman groups, based partially blind signature scheme, an efficient ID-based partially blind signature scheme without trusted private key generator (PKG) was proposed. In this scheme, PKG was prevented from forging a legal user’s signature because it only generated partial private key. Under the random oracle model, the proposed scheme was proved to be secure against existential forgery on adaptively chosen message and ID attack. The security of scheme relied on the hardness of the computational Diffie-Hellman problem (CDHP). The proposed scheme satisfies security properties: correctness and partial blindness. Compared with the Chow et al.’s scheme, the new scheme needs less computational cost and is more efficient. |
format | Article |
id | doaj-art-7ce8d7d3b7da46318ecf49b93a0bfcb1 |
institution | Kabale University |
issn | 1000-436X |
language | zho |
publishDate | 2010-01-01 |
publisher | Editorial Department of Journal on Communications |
record_format | Article |
series | Tongxin xuebao |
spelling | doaj-art-7ce8d7d3b7da46318ecf49b93a0bfcb12025-01-14T08:26:50ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2010-01-013112813474649640Provably secure partially blind signature without trusted PKGFENG Tao1PENG Wei1MA Jian-feng3Using gap Diffie-Hellman groups, based partially blind signature scheme, an efficient ID-based partially blind signature scheme without trusted private key generator (PKG) was proposed. In this scheme, PKG was prevented from forging a legal user’s signature because it only generated partial private key. Under the random oracle model, the proposed scheme was proved to be secure against existential forgery on adaptively chosen message and ID attack. The security of scheme relied on the hardness of the computational Diffie-Hellman problem (CDHP). The proposed scheme satisfies security properties: correctness and partial blindness. Compared with the Chow et al.’s scheme, the new scheme needs less computational cost and is more efficient.http://www.joconline.com.cn/zh/article/74649640/ID-based signaturekey escrowbilinear pairingpartially blind signature |
spellingShingle | FENG Tao1 PENG Wei1 MA Jian-feng3 Provably secure partially blind signature without trusted PKG Tongxin xuebao ID-based signature key escrow bilinear pairing partially blind signature |
title | Provably secure partially blind signature without trusted PKG |
title_full | Provably secure partially blind signature without trusted PKG |
title_fullStr | Provably secure partially blind signature without trusted PKG |
title_full_unstemmed | Provably secure partially blind signature without trusted PKG |
title_short | Provably secure partially blind signature without trusted PKG |
title_sort | provably secure partially blind signature without trusted pkg |
topic | ID-based signature key escrow bilinear pairing partially blind signature |
url | http://www.joconline.com.cn/zh/article/74649640/ |
work_keys_str_mv | AT fengtao1 provablysecurepartiallyblindsignaturewithouttrustedpkg AT pengwei1 provablysecurepartiallyblindsignaturewithouttrustedpkg AT majianfeng3 provablysecurepartiallyblindsignaturewithouttrustedpkg |