Can external code used as a custom hash for hashcat?

[dtoan140298]

I want to add brain wallet ethereum into hashcat using available code on the internet. What standard in hashcat hash function do i have to follow & make it work?

[DanielG]

You can code a new kernel, with functions seen here: https://github.com/hashcat/hashcat/tree/master/OpenCL for example https://github.com/hashcat/hashcat/blob/...00-pure.cl is for the Bitcoin/Litecoin wallet.dat