(1)根证书

密钥用法:认可签名,证书签名,CRL签名

keyUsage=nonRepudiation, keyCertSign,cRLSign

(2)代码签名

密钥用法:数字签名

增强密钥用法:代码签名

keyUsage=digitalSignature

extendedKeyUsage=codeSigning

(3)计算机

密钥用法:数字签名,密钥协商

增强密钥用法:服务器验证,客户端验证

keyUsage=digitalSignature,keyAgreement

extendedKeyUsage=serverAuth,clientAuth

(4)WEB服务器

密钥用法:数字签名,认可签名,密钥加密,数据加密,密钥协商

增强密钥用法:服务器验证

keyUsage=digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment,keyAgreement

extendedKeyUsage=serverAuth

(5)客户端

密钥用法:数字签名,认可签名,密钥加密,数据加密

增强密钥用法:客户端验证

keyUsage=digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment

extendedKeyUsage=clientAuth

(6)信任列表签名

密钥用法:数字签名

增强密钥用法:信任列表签名

keyUsage=digitalSignature

extendedKeyUsage=msCTLSign

(7)时间戳

密钥用法:数字签名,认可签名,密钥加密,数据加密

增强密钥用法:时间戳

keyUsage=digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment

extendedKeyUsage=timeStamping

(8)IPSEC

密钥用法:数字签名,认可签名,密钥加密,数据加密

增强密钥用法:IP安全IKE中级

keyUsage=digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment

extendedKeyUsage=1.3.6.1.5.5.8.2.2

(9)安全Email

密钥用法:数字签名,认可签名,密钥加密,数据加密

增强密钥用法:安全电子邮件

keyUsage=digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment

extendedKeyUsage=emailProtection

(10)智能卡登陆

密钥用法:数字签名,密钥协商,仅仅解密

增强密钥用法:密钥恢复,加密文件系统,智能卡登陆

keyUsage=digitalSignature,keyAgreement,decipherOnly

extendedKeyUsage=1.3.6.1.4.1.311.10.3.11,msEFS,1.3.6.1.4.1.311.20.2.2

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