One can forge an effective proxy signature that will be accepted by the signature verifier and that will not identify the true signer to management. 該攻擊能夠偽造出有效的代理簽名，使簽名驗證人可以接受該代理簽名，但管理中心并不能通過(guò)此簽名來(lái)辨認出代理簽名人的身份。
The signature verifier must have access to the public key certificate that contains the public key associated with the private key used to produce the signature. 簽名驗證者必須有權使用包含與用于生成簽名的私鑰關(guān)聯(lián)的公鑰的公鑰證書(shū)。
