George Tankersley

Personalization support

1

This adds support for the salt and personalization features described in the [BLAKE2 paper](https://blake2.net/blake2.pdf) and [reference implementation](https://github.com/BLAKE2/BLAKE2). They're pretty much just a set of bytes XOR'd into the parameter block....

Implement NewKeyFromPassword

2

`golang.org/x/crypto/scrypt` is the right approach, but it introduces some critical questions: 1. N, r, and p need to be benchmarked on modern systems since the paper is from 2009. 2....

deps: fake the old bench-utils structure to avoid pulling in ark-std 0.3.0

1

When I followed the upstream refactoring earlier, it induced a dependency on the newer ark-std, causing our downstream code (like the Plumo prover) to transitively depend on it as well....

Speaking of https://golang.org/wiki/TargetSpecific (see #30), I don't think we have tests that explicitly compare our math routines.

Categorize RPC calls we implement by privilege level

4

Based on https://forum.zcashcommunity.com/t/protozip-restricting-rpc-calls/34527 (via @ChileBob) we might want to include some metadata in our RPC structures to allow deploying nodes in "read only" mode.

Right now, we only have a few that were inherited from parity-bitcoin. As far as I can tell, none of the `z_` calls from the [Zcash Payment API](https://zcash.readthedocs.io/en/latest/rtd_pages/payment_api.html) are implemented...

Builds require cmake and should not

2

Because of `parity-snappy-sys`

I'm consistently getting a panic when one command in a series of them is still running when I press 'r'. This does not happen if there is only one command...