BackupKey Method
Backs up a key.
Syntax
public void backupKey(String keyName);
Remarks
This method backs up the key specified by KeyName, returning it in a protected form via the output stream specified via the SetOutputStream method, the specified OutputFile, or the OutputData property.
Note that the protected key cannot be used outside of Azure Key Vault, it must be restored to another vault using the RestoreKey method in order to be used.