新增于: v15.0.0
如果表示为 <string>，该值必须是以下之一：
🌐 If represented as a <string>, the value must be one of:
'SHA-1''SHA-256''SHA-384''SHA-512'
如果表示为 Algorithm，该对象的 name 属性必须是上述列出的值之一。
🌐 If represented as an Algorithm, the object's name property
must be one of the above listed values.