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CFCA Security Application Development Kit 中国金融认证中心给中国信托登记有限责任公司定制的数字证书应用扩展程序，适用于最新版chrome浏览器。中国信托登记有限责任公司业务系统集成该数字证书应用程序扩展，用户安装该数字证书应用程序扩展后，可在中国信托登记有限责任公司业务系统通过此证书应用程序扩展调用USBKEY里的X509数字证书实现获取证书信息（例如获取X509数字证书的证书主题DN、证书颁发者、序列号等证书信息）、电子签名相关业务功能。
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