KPW

Analyses of a nominative signature scheme ( KPW scheme) and a nominative proxy signature scheme ( PL scheme) are given, respectively.

该文分别对一个指名签名方案（KPW方案）和一个指名代理签名方案（PL方案）进行分析，结果表明；

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Furthermore, an improvement of the KPW scheme, in which all properties of the nominative signature are held, and a nominative proxy signature scheme based on the proposed nominative signature scheme are proposed.

该文进一步给出了KPW方案的一个改进方案，使之具有指名签名的全部性质，同时也给出了一个基于该方案的指名代理签名方案。

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The won ( currency code KPW) is the currency of North Korea.

圆（货币代码KPW）是朝鲜的货币。

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