In the most present authenticated encryption schemes the recipient cannot prove the signer "s dishonesty to any verifier if the signer denies the signature."
现有的认证加密方案中，如果签名者否认签名，接收者不能向其它任何验证者证实签名者的诚实性。
A new type of authenticated encryption schemes is proposed. It first combines signature with message recovery schemes and symmetric encryption schemes together.
本文提出了一类新的认证加密方案，这类方案首次将消息可恢复签名和对称加密有机结合。
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