crypto.createSecretKey(key[, encoding])

版本历史

版本	变更
v18.8.0	The key can now be zero-length.
v15.0.0	The key can also be an ArrayBuffer or string. The encoding argument was added. The key cannot contain more than 2 ** 32 - 1 bytes.
v11.6.0	新增于: v11.6.0

创建并返回一个新的密钥对象，其中包含用于对称加密或 Hmac 的秘密密钥。

【Creates and returns a new key object containing a secret key for symmetric encryption or Hmac.】