keyObject.asymmetricKeyType


对于非对称密钥,此属性表示密钥的类型。请参阅支持的 非对称密钥类型

【For asymmetric keys, this property represents the type of the key. See the supported asymmetric key types.】

对于未识别的 KeyObject 类型和对称密钥,此属性为 undefined

【This property is undefined for unrecognized KeyObject types and symmetric keys.】