VLAs

[jplomas]

Variable Length Allocations are used in the reference code.

Refactoring of these are recommended for anyone building off this codebase, although it is accepted that the risk posed is minimal.

[Vinschni]

As far as i see only test and ui make use from variable length allocations.
https://github.com/XMSS/xmss-reference/search?q=malloc&unscoped_q=malloc