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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Main Authors: FENG Tao1, PENG Wei1, MA Jian-feng3
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2010-01-01
Series:Tongxin xuebao
Subjects:
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