目前的匿名数字指纹要求可信任的第三方参与，这使得购买者的身份仍旧有可能被泄漏出去。
The present anonymous digital fingerprinting schemes require a trusted third party taking part in, which makes the identity of buyer leaked out.
作者的主要研究成果如下：1。目前的匿名数字指纹要求可信任的第三方参与，这使得购买者的身份仍旧有可能被泄漏出去。
The main contributions are as follows. 1. The present anonymous digital fingerprinting schemes require a trusted third party taking part in, which makes the identity of buyer leaked out.
更安全：可进行网络对象识别，身份认证和访问授权，具有数据加密和完整性，能够实现一个可信任的网络。
Safer: can undertake network object identifies, identity attestation and visit accredit, have number to be mixed closely according to adding integrality, can realize a dependable network.
更安全：可进行网络对象识别，身份认证和访问授权，具有数据加密和完整性，能够实现一个可信任的网络。
Safer: can undertake network object identifies, identity attestation and visit accredit, have number to be mixed closely according to adding integrality, can realize a dependable network.
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