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Paper 2011/360

Certificateless Aggregate Signcryption Schemes

Ziba Eslami, Nasrollah Pakniat

Abstract

The concept of an aggregate signcryption scheme was first introduced in 2009 by Selvi S.S.D. et. al. in the identity-based setting. The aggregation process of these schemes reduces the amount of exchanged information and is particularly useful in low-bandwidth communication networks and computationally-restricted environments. In this paper, we define a suitable security model for certificateless aggregate signcryption schemes and propose an example which we prove is secure in the random oracle model under the gap Bilinear Diffie-Hellman and computational Diffie-Helman intractability assumptions.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
certificatelesssigncryptionbilinear pairing
Contact author(s)
hamidpakniat @ yahoo com
History
2011-07-06: received
Short URL
https://ia.cr/2011/360
License
Creative Commons Attribution
CC BY
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