主题备用名称Subject Alternative Name,缩写SAN)是一项对X.509的扩展,它允许在安全证书中使用subjectAltName字段将多种值与证书关联[1],这些值被称为主题备用名称。名称可包括:[2]

以https://www.ssl.com (页面存档备份,存于互联网档案馆)的EV证书为例,当前查看主题备用名称字段。

参见

参考资料

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