Efficient Distributed Signcryption Scheme as
Group Signcryption 1st edition by DongJin Kwak,
SangJae Moon ISBN 3540202080 9783540202080 pdf
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, Efficient Distributed Signcryption Scheme as
Group Signcryption
DongJin Kwak and SangJae Moon
School of Electrical Eng. & Computer Science, Kyungpook National Univ., Korea.
,
Abstract. The existing distributed signcryption is designed for dis-
tributing a signcrypted message to a designated group. However, it does
not provide confidentiality of sender ID and its extension to a group
signcryption has certain weakness. This study solves the weakness and
extends to an efficient group signcryption. In addition, the proposed
distributed signcryption provides with sender ID confidentiality. The
extension to a group signcryption is more efficient in computational
load than the existing scheme. Moreover, the group manager doesn’t
need to keep and generate his group member’s secret information. It
can enhance the strength of security in the protocol.
Keywords: Signcryption, Group signature, Public-key Cryptography.
1 Introduction
The signcryption [Zhe1] is an asymmetric cryptographic method that can si-
multaneously provide message confidentiality and unforgeability with a lower
computational and communicational overhead based on two shortened versions
(SDSS1 and SDSS2) of DSS [DSS]. As a result, various signcryption schemes have
been designed with additional properties [BD98,KM02,LM00]. Originally, sign-
cryption could only be verified by a single designated verifier. However, a variant
scheme with multiple designated verifiers was proposed by Zheng for the first
time [Zhe2]. Thereafter, Mu and Varadharajan proposed the distributed sign-
cryption using distributed encryption [MN99] in [MV00], where any party can
“signcrypt” a message and distribute it to a designated group, and any member
in the receiving group can “unsigncrypt” the message. However, this method
does not provide confidentiality to the person who signcrypts the message, while
the extension for group signcryption involves lots of additional complexities in
computational load and some problems as a group signcryption.
Accordingly, the current paper presents a new distributed signcryption
scheme that includes sender ID confidentiality and almost the same computa-
This research has been supported by University IT Research Center Project.
J. Zhou, M. Yung, Y. Han (Eds.): ACNS 2003, LNCS 2846, pp. 403–417, 2003.
c Springer-Verlag Berlin Heidelberg 2003
Group Signcryption 1st edition by DongJin Kwak,
SangJae Moon ISBN 3540202080 9783540202080 pdf
download
https://ebookball.com/product/efficient-distributed-signcryption-
scheme-as-group-signcryption-1st-edition-by-dongjin-kwak-sangjae-
moon-isbn-3540202080-9783540202080-11014/
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Quick Digital Downloads: PDF, ePub, MOBI and Other Formats
An IP Traceback Scheme Integrating DPM and PPM 1st edition by Fan Min,
Jun yan Zhang, Guo wie Yang ISBN 3540202080 9783540202080
https://ebookball.com/product/an-ip-traceback-scheme-integrating-
dpm-and-ppm-1st-edition-by-fan-min-jun-yan-zhang-guo-wie-yang-
isbn-3540202080-9783540202080-10454/
Making the Key Agreement Protocol in Mobile ad hoc Network More
Efficient 1st edition by Gang Yao, Kui Ren, Feng Bao, Robert Deng,
Dengguo Feng ISBN 3540202080 9783540202080
https://ebookball.com/product/making-the-key-agreement-protocol-
in-mobile-ad-hoc-network-more-efficient-1st-edition-by-gang-yao-
kui-ren-feng-bao-robert-deng-dengguo-feng-
isbn-3540202080-9783540202080-10110/
LNCS 2846 Improved Algebraic Traitor Tracing Scheme 1ST EDITION BY
Chunyan Bai, Guiliang Feng ISBN 9783540202080
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traitor-tracing-scheme-1st-edition-by-chunyan-bai-guiliang-feng-
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LNCS 2846 A Ring Signature Scheme Based on the Nyberg Rueppel
Signature Scheme 1st edition by Chong zhi Gao, Zheng an Yao, Lei Li
ISBN 978-3540202080
https://ebookball.com/product/lncs-2846-a-ring-signature-scheme-
based-on-the-nyberg-rueppel-signature-scheme-1st-edition-by-
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,Common Vulnerability Markup Language 1st edition by Haitao Tian,
Liusheng Huang, Zhi Zhou, Hui Zhang ISBN 3540202080 9783540202080
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language-1st-edition-by-haitao-tian-liusheng-huang-zhi-zhou-hui-
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Modelling and Evaluating Trust Relationships in Mobile Agents Based
Systems 1st edition by Ching Lin, Vijay Varadharajan ISBN 3540202080
9783540202080
https://ebookball.com/product/modelling-and-evaluating-trust-
relationships-in-mobile-agents-based-systems-1st-edition-by-
ching-lin-vijay-varadharajan-isbn-3540202080-9783540202080-11966/
Efficient Group Signatures without Trapdoors 1st edition by Giuseppe
Ateniese, Breno de Medeiros ISBN 3540205920 9783540205920
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Generalized Key Evolving Signature Schemes or How to Foil an Armed
Adversary 1st edition by Gene Itkis, Peng Xie ISBN 3540202080
9783540202080
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schemes-or-how-to-foil-an-armed-adversary-1st-edition-by-gene-
itkis-peng-xie-isbn-3540202080-9783540202080-10056/
On the Security of Two Threshold Signature Schemes with Traceable
Signers 1st edition by Guilin Wang, Xiaoxi Han, Bo Zhu ISBN 3540202080
9783540202080
https://ebookball.com/product/on-the-security-of-two-threshold-
signature-schemes-with-traceable-signers-1st-edition-by-guilin-
wang-xiaoxi-han-bo-zhu-isbn-3540202080-9783540202080-9678/
, Efficient Distributed Signcryption Scheme as
Group Signcryption
DongJin Kwak and SangJae Moon
School of Electrical Eng. & Computer Science, Kyungpook National Univ., Korea.
,
Abstract. The existing distributed signcryption is designed for dis-
tributing a signcrypted message to a designated group. However, it does
not provide confidentiality of sender ID and its extension to a group
signcryption has certain weakness. This study solves the weakness and
extends to an efficient group signcryption. In addition, the proposed
distributed signcryption provides with sender ID confidentiality. The
extension to a group signcryption is more efficient in computational
load than the existing scheme. Moreover, the group manager doesn’t
need to keep and generate his group member’s secret information. It
can enhance the strength of security in the protocol.
Keywords: Signcryption, Group signature, Public-key Cryptography.
1 Introduction
The signcryption [Zhe1] is an asymmetric cryptographic method that can si-
multaneously provide message confidentiality and unforgeability with a lower
computational and communicational overhead based on two shortened versions
(SDSS1 and SDSS2) of DSS [DSS]. As a result, various signcryption schemes have
been designed with additional properties [BD98,KM02,LM00]. Originally, sign-
cryption could only be verified by a single designated verifier. However, a variant
scheme with multiple designated verifiers was proposed by Zheng for the first
time [Zhe2]. Thereafter, Mu and Varadharajan proposed the distributed sign-
cryption using distributed encryption [MN99] in [MV00], where any party can
“signcrypt” a message and distribute it to a designated group, and any member
in the receiving group can “unsigncrypt” the message. However, this method
does not provide confidentiality to the person who signcrypts the message, while
the extension for group signcryption involves lots of additional complexities in
computational load and some problems as a group signcryption.
Accordingly, the current paper presents a new distributed signcryption
scheme that includes sender ID confidentiality and almost the same computa-
This research has been supported by University IT Research Center Project.
J. Zhou, M. Yung, Y. Han (Eds.): ACNS 2003, LNCS 2846, pp. 403–417, 2003.
c Springer-Verlag Berlin Heidelberg 2003
