# UserCryptoManager.getLatestUserKey(Object object)

Start from base library version 2.17.3. Please remaining backward compatible.

with Promise style call: Not supported

Mini Program plugin: Not supported

Get the latest user encryption key

# parameter

# Object object

attribute	type	Required	Introductions
success	function	no	Interface calls the successful callback function
fail	function	no	Interface calls failed callback functions
complete	function	no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

# object.success callback

# parameter

# Object object

attribute	type	Introductions
encryptKey	string	User encryption key
iv	string	Initial key vector
version	number	Key version
expireTime	number	Key Expiration Time

# sample code

const userCryptoManager = wx.getUserCryptoManager()
userCryptoManager.getLatestUserKey({
  success: res => {
    const {encryptKey, iv, version, expireTime} = res
    console.log(encryptKey, iv, version, expireTime)
  }
})