Wg4 keystore handling update
This MR updates the handling of
- Ids for the keys
- added supported key lengths
- changed keyChopper from 256 bit to arbritrary lengths (multiple of 8s)
- quantum layer can shuffle bulkKeys to KMS without the KMS knowing what the actual desired keysizes is
- added hints to the interkomproto calls on how to use the updated implementation
Warning: most of the code is untested in a complete setting.
Edited by Martin Stiemerling