This document defines a method for packaging cryptographic keys for transport. This method can also be used for the storage of keys under an advanced encryption standard (AES) key. The method uses the block cipher AES as the wrapping cipher algorithm.
Other methods for wrapping keys are outside the scope of this document but can use the authenticated encryption algorithms specified in ISO/IEC 19772.
BSI recommends this version of standard for organisations operating in or with the UK. The ISO edition is available here if required.