static fun fromBytes(bytes: Bytes!): Key! (source)
Create a Key from an array of bytes. 
 The byte array must be of length #length().
bytes - Bytes!: The bytes for the secret key.
Return
Key!: A secret key.
static fun fromBytes(bytes: ByteArray!): Key! (source)
Create a Key from an array of bytes. 
 The byte array must be of length #length().
bytes - ByteArray!: The bytes for the secret key.
Return
Key!: A secret key.