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An insider attack is given here toshow that Chang et al.’s digital multisignature schemefor obtaining a message is insecure.
Weakness of Chang et al.’s Digital Multisignature Scheme for Obtaining a Message
【摘 要】
：
An insider attack is given here toshow that Chang et al.’s digital multisignature schemefor obtaining a message is insecure.
【机 构】
：
Department of Computer Science and Technology, Jiaozuo Institute of Technology, Jiaozuo 454159, Chin
【出 处】
：
中国电子杂志（英文版）
【发表日期】
：
2001年4期
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