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Paper 2020/1537

Comments on “ Multi Recipient Aggregate Signcryption Scheme Based on Elliptic Curve”

Nizamud Din and Abdul Waheed and Nasir Saeed

Abstract

Aggregate signcryption combines the functionalities of aggregate signature and encryption. Very recently, Zia & Ali [1] (Wireless Personal Communications, https://doi.org/10.1007/s11277-020-07637-z) proposed an elliptic curve cryptography (ECC) based multi-recipient aggregate signcryption scheme. The authors claimed that their scheme is correct, efficient, and secure against known attacks. However, by this comment, we show that their scheme is incorrect and the receiver(s) is unable to unsigncrypt the message.

Metadata
Available format(s)
-- withdrawn --
Category
Public-key cryptography
Publication info
Preprint. MAJOR revision.
Keywords
Aggregate signatureSigncryptionMulticastingData authentication
Contact author(s)
nizam @ uoch edu pk
History
2020-12-15: withdrawn
2020-12-13: received
See all versions
Short URL
https://ia.cr/2020/1537
License
Creative Commons Attribution
CC BY
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