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数字证书是一段被上级ＣＡ数字签名了的数据信息，由于采用了公钥体制加密算法———ＲＳＡ算法，得以实现数字签名和数字加密功能并且通过高强度加密算法保证了数据的安全。工业标准个人数字证书包括以下几项信息：用户标识、证书颁发机构标识、用于建立安全通讯的关键文...
The digital certificate is a piece of data information digitally signed by the superior CA. Due to the public key system encryption algorithm --- RSA algorithm, the digital certificate can realize the digital signature and the digital encryption function and ensures the data security through the strong encryption algorithm. Industry-standard personal digital certificates include the following information: user ID, certification authority ID, the key for establishing secure communications ...