Bandwidth-efficient attribute-based key-insulated signatures with message recovery
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- 作者：Y Sreenivasa Rao ; y.sreenivasarao2008@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Ratna Dutta ratna@maths.iitkgp.ernet.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：Attribute-based signature ; Signature-policy ; Key-policy ; Constant message-signature length ; Key-insulation mechanism ; Linear secret-sharing scheme ; Message recovery ; Signer privacy
- 刊名：Information Sciences
- 出版年：2016
- 出版时间：10 November 2016
- 年：2016
- 卷：369
- 期：Complete
- 页码：648-673
- 全文大小：890 K
文摘
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We propose two attribute-based key-insulated signature with message recovery (ABKIS-MR) schemes for expressive linear secret-sharing scheme-realizable access structures in key-policy framework, the first for small attribute universe and the second for large universe setting.
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Following are the silent features of our designs–the number of required bilinear pairing evaluations and message-signature length are made constant.
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We present a small attribute universe signature-policy ABKIS-MR scheme supporting LSSS-realizable access structures with signifi
cantly low communication and computation cost.
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Proposed ABKIS-MR schemes provide signer privacy and are (strongly) key-insulated secure.