I did a KSH DER codec once too! It started out as an attempt to decode OIDs that were all over a codebase, and we had no tools to decode them, and I wanted to

I did a KSH DER codec once too! It started out as an attempt to decode OIDs that were all over a codebase, and we had no tools to decode them, and I wanted to see if they were correct (indeed, they were not all correct). Then I extended that script a bit to other types. 'Twas a fun little side project. With an FFI (which Bash has) one could do this much more easily than it was then (about 15 years ago, I think).