Conversion Schemes for Unlinkable Signatures That Include Revocable Unlinkability

Koji CHIDA

doi:10.1093/ietfec/e89-a.1.90

Conversion Schemes for Unlinkable Signatures That Include Revocable Unlinkability

Koji CHIDA

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This paper introduces the concept of "revocable unlinkability" for unlinkable anonymous signatures and proposes a generalized scheme that modifies the signatures to include revocable unlinkability. Revocable unlinkability provides a condition in which multiple messages signed using an unlinkable anonymous signature are unlinkable for anyone except the unlinkability revocation manager. Noteworthy is that the identifier of the signer is kept secret from the manager. In addition, examples are presented in which the proposed scheme is applied to existing group/ring signatures. The proposed scheme employs a verifiable MIX-net to shuffle the identifiers of all potential signers, thus giving it the potential for wide application to unlinkable anonymous signatures.

Publication: IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.1 pp.90-98

Publication Date: 2006/01/01

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Online ISSN: 1745-1337

DOI: 10.1093/ietfec/e89-a.1.90

Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)

Category: Digital Signature

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Koji CHIDA, "Conversion Schemes for Unlinkable Signatures That Include Revocable Unlinkability" in IEICE TRANSACTIONS on Fundamentals, vol. E89-A, no. 1, pp. 90-98, January 2006, doi: 10.1093/ietfec/e89-a.1.90.
Abstract: This paper introduces the concept of "revocable unlinkability" for unlinkable anonymous signatures and proposes a generalized scheme that modifies the signatures to include revocable unlinkability. Revocable unlinkability provides a condition in which multiple messages signed using an unlinkable anonymous signature are unlinkable for anyone except the unlinkability revocation manager. Noteworthy is that the identifier of the signer is kept secret from the manager. In addition, examples are presented in which the proposed scheme is applied to existing group/ring signatures. The proposed scheme employs a verifiable MIX-net to shuffle the identifiers of all potential signers, thus giving it the potential for wide application to unlinkable anonymous signatures.
URL: https://globals.ieice.org/en_transactions/fundamentals/10.1093/ietfec/e89-a.1.90/_p

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@ARTICLE{e89-a_1_90,
author={Koji CHIDA, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Conversion Schemes for Unlinkable Signatures That Include Revocable Unlinkability},
year={2006},
volume={E89-A},
number={1},
pages={90-98},
abstract={This paper introduces the concept of "revocable unlinkability" for unlinkable anonymous signatures and proposes a generalized scheme that modifies the signatures to include revocable unlinkability. Revocable unlinkability provides a condition in which multiple messages signed using an unlinkable anonymous signature are unlinkable for anyone except the unlinkability revocation manager. Noteworthy is that the identifier of the signer is kept secret from the manager. In addition, examples are presented in which the proposed scheme is applied to existing group/ring signatures. The proposed scheme employs a verifiable MIX-net to shuffle the identifiers of all potential signers, thus giving it the potential for wide application to unlinkable anonymous signatures.},
keywords={},
doi={10.1093/ietfec/e89-a.1.90},
ISSN={1745-1337},
month={January},}

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TY - JOUR
TI - Conversion Schemes for Unlinkable Signatures That Include Revocable Unlinkability
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 90
EP - 98
AU - Koji CHIDA
PY - 2006
DO - 10.1093/ietfec/e89-a.1.90
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E89-A
IS - 1
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - January 2006
AB - This paper introduces the concept of "revocable unlinkability" for unlinkable anonymous signatures and proposes a generalized scheme that modifies the signatures to include revocable unlinkability. Revocable unlinkability provides a condition in which multiple messages signed using an unlinkable anonymous signature are unlinkable for anyone except the unlinkability revocation manager. Noteworthy is that the identifier of the signer is kept secret from the manager. In addition, examples are presented in which the proposed scheme is applied to existing group/ring signatures. The proposed scheme employs a verifiable MIX-net to shuffle the identifiers of all potential signers, thus giving it the potential for wide application to unlinkable anonymous signatures.
ER -