cs-bic

> From your docs it seems like the `RegisterCustomHash` accepts a Hash parametr, so the caller has to decide on the value. What if two packages use the same one?...

Perhaps `crypto.Hash` could be made into a `uint64` and 3rd-party hash algorithms would have their names be checked to be ASCII-encoded; the first seven bytes of the name could be...

> Can you remove the parts that are unchanged? it makes it difficult to identify the actual proposed changes. Done, `// ...` is used to indicate unchanged content.

>which seems extremely easy to misuse if you aren't really sure what you're doing `crypto.RegisterHash()` is also easy to misuse (the documentation does not mention that it is only intended...