An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator

The paper presents an (n, t)-threshold proxy signature scheme with an Arbitrator which enables an original signer to delegate the signature authority to sign a message on behalf of the original signer to proxy group P of n members. The original signer distributes the proxy key among the proxy group...

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Main Author: E. A. Tolyupa
Format: Article
Language:English
Published: Yaroslavl State University 2013-08-01
Series:Моделирование и анализ информационных систем
Subjects:
Online Access:https://www.mais-journal.ru/jour/article/view/184
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author E. A. Tolyupa
author_facet E. A. Tolyupa
author_sort E. A. Tolyupa
collection DOAJ
description The paper presents an (n, t)-threshold proxy signature scheme with an Arbitrator which enables an original signer to delegate the signature authority to sign a message on behalf of the original signer to proxy group P of n members. The original signer distributes the proxy key among the proxy group members in such a way that not less then t proxy signers and the Arbitrator can cooperatively sign messages on behalf of the original signer. Thus, for signing the document it is necessary to have agreements of not less then t members. The Arbitrator is a trusted third party. It receives the information from the t members and completes the calculation of the digital signature. A verifier can identify the original signer and the members of the proxy group P. The main feature is that n members of the proxy group can not calculate the proxy key and the original signer’s secret key.
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publisher Yaroslavl State University
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series Моделирование и анализ информационных систем
spelling doaj-art-c29e0b6d94e045208639cd6524565e6f2025-08-04T14:06:39ZengYaroslavl State UniversityМоделирование и анализ информационных систем1818-10152313-54172013-08-01204557010.18255/1818-1015-2013-4-55-70178An Algorithm of (n, t)-Threshold Proxy Signature with an ArbitratorE. A. Tolyupa0P.G. Demidov Yaroslavl State UniversityThe paper presents an (n, t)-threshold proxy signature scheme with an Arbitrator which enables an original signer to delegate the signature authority to sign a message on behalf of the original signer to proxy group P of n members. The original signer distributes the proxy key among the proxy group members in such a way that not less then t proxy signers and the Arbitrator can cooperatively sign messages on behalf of the original signer. Thus, for signing the document it is necessary to have agreements of not less then t members. The Arbitrator is a trusted third party. It receives the information from the t members and completes the calculation of the digital signature. A verifier can identify the original signer and the members of the proxy group P. The main feature is that n members of the proxy group can not calculate the proxy key and the original signer’s secret key.https://www.mais-journal.ru/jour/article/view/184proxy signaturethreshold proxy signaturesecret sharing
spellingShingle E. A. Tolyupa
An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator
Моделирование и анализ информационных систем
proxy signature
threshold proxy signature
secret sharing
title An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator
title_full An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator
title_fullStr An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator
title_full_unstemmed An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator
title_short An Algorithm of (n, t)-Threshold Proxy Signature with an Arbitrator
title_sort algorithm of n t threshold proxy signature with an arbitrator
topic proxy signature
threshold proxy signature
secret sharing
url https://www.mais-journal.ru/jour/article/view/184
work_keys_str_mv AT eatolyupa analgorithmofntthresholdproxysignaturewithanarbitrator
AT eatolyupa algorithmofntthresholdproxysignaturewithanarbitrator