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1. 发明授权

US07596692B2 Cryptographic audit 失效
标题翻译：密码审核
公开(公告)号：US07596692B2
公开(公告)日：2009-09-29
申请号：US10163223
申请日：2002-06-05
申请人： Barbara Lynch Fox , David G. Conroy , Brian A. LaMacchia
发明人： Barbara Lynch Fox , David G. Conroy , Brian A. LaMacchia
IPC分类号： H04L29/00 , H04L29/12 , H04L29/06
CPC分类号： H04L12/18 , H04L63/08 , H04L63/0876
摘要： Method, system, and computer program products for identifying potentially fraudulent receivers of digital content. A receiver authenticates to an auditing service with data that should be unique to the receiver. The auditing service detects when multiple receivers attempt to authenticate with the same data, suggesting that a receiver has been cloned or duplicated. The audit service also detects when a receiver authenticates improperly, suggesting an unsuccessful and unauthorized attempt to duplicate an authorized receiver. Individual receivers may be networked together. To help protect a receiver's authentication data from tampering, at least a portion of the data may be digitally signed with a private key. The audit service may then verify the digital signature with a corresponding public key. Varying the order in which data is signed or where the data is stored from one receiver or group of receivers to another may provide an additional level of security.
摘要翻译：用于识别数字内容的潜在欺诈接收者的方法，系统和计算机程序产品。接收者使用接收机唯一的数据对审计服务进行认证。审计服务检测多个接收方何时尝试使用相同的数据进行身份验证，提示接收方已被克隆或复制。审计服务还检测接收者何时不正确地认证，这表明未经授权的尝试复制授权的接收方。单个接收器可以联网在一起。为了帮助保护接收者的认证数据免受篡改，至少一部分数据可以用私钥进行数字签名。然后，审计服务可以用对应的公钥验证数字签名。将数据签名顺序或数据从一个接收器或一组接收器存储到另一个接收器或接收器组的顺序可能会提供额外的安全级别。

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