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AAECC
2009
Springer
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14 years 3 months ago
Novel Efficient Certificateless Aggregate Signatures
We propose a new efficient certificateless aggregate signature scheme which has the advantages of both aggregate signatures and certificateless cryptography. The scheme is proven e...
Lei Zhang, Bo Qin, Qianhong Wu, Futai Zhang
ISW
2004
Springer
14 years 4 months ago
How to Break and Repair a Universally Composable Signature Functionality
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
Michael Backes, Dennis Hofheinz