通过对冯涛等人提出的无可信私钥生成中心(PKG)部分盲签名方案进行分析，发现该方案不具有不可伪造性。
The partially blind signature scheme without trusted Private Key Generator (PKG) proposed by Feng Tao et al. was analyzed, and it was found that this scheme did not satisfy unforgeability.
签名者的签名私钥由多个密钥生成中心共同决定。
The signature private keys of signer are completed by several key generation centers.
签名者的签名私钥由多个密钥生成中心共同决定。
The signature private keys of signer are completed by several key generation centers.
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