提出了孤悬因子概念，并明确指出在数字签名设计中必须回避这一现象。
The authors introduce the concept of suspending-factor, and definitely point out that it must be avoided in designing signature schemes.
提出了孤悬因子概念，并明确指出在数字签名设计中必须回避这一现象。
The authors introduce the concept of suspending-factor, and definitely point out that it must be avoided in designing signature schemes.
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