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Paper 2003/189
Cryptanalysis of publicly verifiable authenticated encryption
Zuhua Shao
Abstract
Ma and Chen proposed a new authenticated encryption scheme with public verifiability. This scheme requires less computational costs and communication overheads than the conventional signature-then-encryption approaches. In this letter, we show that the Ma-Chen scheme does not satisfy three security properties: unforgeability, confidentiality and non-repudiation.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. cryptanalysis
- Contact author(s)
- zhshao_98 @ yahoo com
- History
- 2003-09-12: received
- Short URL
- https://ia.cr/2003/189
- License
-
CC BY