final
Once the cipher.final() method has been called, the Cipher object can no longer be used to encrypt data. Attempts to call cipher.final() more than once will result in an error being thrown.
Since
v0.1.94
Return
Any remaining enciphered contents. If outputEncoding is specified, a string is returned. If an outputEncoding is not provided, a {@link Buffer} is returned.
Parameters
outputEncoding
The encoding of the return value.