Abstract
Aggregate signatures are digital signatures that allown players to sign n different messages and all these signatures can be aggregated into a single signature. This single signature enables the verifier to determine whether then players have signed the n original messages. Verifiably encrypted signatures are used when Alice wants to sign a message for Bob but does not want Bob to possess her signature on the message until a later date. In this paper, we first propose an identity (ID)-based signature scheme from bilinear pairing and show that such a scheme can be used to generate an ID-based aggregate signature. Then, combining this ID-based signature with the short signature given by Boneh, Lynn and Shacham, we come up with an ID-based verifiably encrypted signature. Due to the nice properties of the bilinear pairing, the proposed signatures are simple, efficient and have short signature size.
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Cheng, X., Liu, J., Wang, X. (2005). Identity-Based Aggregate and Verifiably Encrypted Signatures from Bilinear Pairing. In: Gervasi, O., et al. Computational Science and Its Applications – ICCSA 2005. ICCSA 2005. Lecture Notes in Computer Science, vol 3483. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11424925_109
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DOI: https://doi.org/10.1007/11424925_109
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