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Key generation utility (#176)

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* RPCs for versioning.

* Build fix for bad merge.

* Add system_name RPC

* Fix tests.

* Fix demo build.

* Remove BadFormat.

* Add ss58check encoding and subkey.

* Improvements.

* Update Cargo.toml
This commit is contained in:
Gav Wood
2018-05-29 18:05:50 +02:00
committed by GitHub
parent 757e5beb8d
commit c831e7c511
6 changed files with 137 additions and 0 deletions
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substrate/Cargo.lock
Generated
+16
View File
@@ -79,6 +79,11 @@ dependencies = [
"libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "base58"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "base64"
version = "0.9.0"
@@ -310,6 +315,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
name = "ed25519"
version = "0.1.0"
dependencies = [
"base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
"hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
"substrate-primitives 0.1.0",
@@ -1839,6 +1846,14 @@ name = "strsim"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "subkey"
version = "0.1.0"
dependencies = [
"ed25519 0.1.0",
"substrate-primitives 0.1.0",
]
[[package]]
name = "substrate-bft"
version = "0.1.0"
@@ -2706,6 +2721,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8352656fd42c30a0c3c89d26dea01e3b77c0ab2af18230835c15e2e13cd51859"
"checksum backtrace 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ebbbf59b1c43eefa8c3ede390fcc36820b4999f7914104015be25025e0d62af2"
"checksum backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "44585761d6161b0f57afc49482ab6bd067e4edef48c12a152c237eb0203f7661"
"checksum base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
"checksum base64 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "229d032f1a99302697f10b27167ae6d03d49d032e6a8e2550e8d3fc13356d2b4"
"checksum bigint 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5442186ef6560f30f1ee4b9c1e4c87a35a6879d3644550cc248ec2b955eb5fcd"
"checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"
substrate/Cargo.toml
+1
View File
@@ -60,6 +60,7 @@ members = [
"demo/executor",
"demo/cli",
"safe-mix",
"subkey",
]
exclude = [
"polkadot/runtime/wasm",
substrate/subkey/Cargo.toml
+8
View File
@@ -0,0 +1,8 @@
[package]
name = "subkey"
version = "0.1.0"
authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
ed25519 = { version = "*", path = "../substrate/ed25519" }
substrate-primitives = { version = "*", path = "../substrate/primitives" }
substrate/subkey/src/main.rs
+55
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@@ -0,0 +1,55 @@
extern crate ed25519;
extern crate substrate_primitives;
use std::env::args;
use ed25519::Pair;
use substrate_primitives::hexdisplay::HexDisplay;
fn good_waypoint(done: u64) -> u64 {
match done {
0 ... 1_000_000 => 100_000,
0 ... 10_000_000 => 1_000_000,
0 ... 100_000_000 => 10_000_000,
_ => 100_000_000,
}
}
fn main() {
if args().len() != 2 {
println!("Usage: subkey <search string>");
return;
}
let desired = args().last().unwrap();
let score = |s: &str| {
for truncate in 0..desired.len() - 1 {
let snip_size = desired.len() - truncate;
let truncated = &desired[0..snip_size];
if let Some(pos) = s.find(truncated) {
return (31 - pos) + (snip_size * 32);
}
}
0
};
let top = 30 + (desired.len() * 32);
let mut best = 0;
let mut seed = Pair::generate().public().0;
let mut done = 0;
loop {
let p = Pair::from_seed(&seed);
let ss58 = p.public().to_ss58check();
let s = score(&ss58);
if s > best {
println!("{}: {} ({}% complete)", ss58, HexDisplay::from(&seed), s * 100 / top);
best = s;
if best == top {
break;
}
}
seed = p.public().0;
done += 1;
if done % good_waypoint(done) == 0 {
println!("{} keys searched", done);
}
}
}
substrate/substrate/ed25519/Cargo.toml
+2
View File
@@ -8,3 +8,5 @@ ring = "0.12"
untrusted = "0.5"
substrate-primitives = { version = "0.1", path = "../primitives" }
hex-literal = "0.1"
base58 = "0.1"
blake2-rfc = "0.2"
substrate/substrate/ed25519/src/lib.rs
+55
View File
@@ -17,11 +17,14 @@
//! Simple Ed25519 API.
extern crate ring;
extern crate base58;
extern crate substrate_primitives as primitives;
extern crate untrusted;
extern crate blake2_rfc;
use ring::{rand, signature};
use primitives::hash::H512;
use base58::{ToBase58, FromBase58};
#[cfg(test)]
#[macro_use]
@@ -67,6 +70,14 @@ impl ::std::hash::Hash for Public {
}
}
#[derive(Clone, Copy, Eq, PartialEq, Debug)]
pub enum PublicError {
BadBase58,
BadLength,
UnknownVersion,
InvalidChecksum,
}
impl Public {
/// A new instance from the given 32-byte `data`.
pub fn from_raw(data: [u8; 32]) -> Self {
@@ -80,6 +91,24 @@ impl Public {
Public(r)
}
/// Some if the string is a properly encoded SS58Check address.
pub fn from_ss58check(s: &str) -> Result<Self, PublicError> {
let d = s.from_base58().map_err(|_| PublicError::BadBase58)?; // failure here would be invalid encoding.
if d.len() != 35 {
// Invalid length.
return Err(PublicError::BadLength);
}
if d[0] != 42 {
// Invalid version.
return Err(PublicError::UnknownVersion);
}
if d[33..35] != blake2_rfc::blake2b::blake2b(64, &[], &d[0..33]).as_bytes()[0..2] {
// Invalid checksum.
return Err(PublicError::InvalidChecksum);
}
Ok(Self::from_slice(&d[1..33]))
}
/// Return a `Vec<u8>` filled with raw data.
pub fn to_raw_vec(self) -> Vec<u8> {
let r: &[u8; 32] = self.as_ref();
@@ -96,6 +125,15 @@ impl Public {
pub fn as_array_ref(&self) -> &[u8; 32] {
self.as_ref()
}
/// Return the ss58-check string for this key.
pub fn to_ss58check(&self) -> String {
let mut v = vec![42u8];
v.extend(self.as_slice());
let r = blake2_rfc::blake2b::blake2b(64, &[], &v);
v.extend(&r.as_bytes()[0..2]);
v.to_base58()
}
}
impl AsRef<[u8; 32]> for Public {
@@ -281,4 +319,21 @@ mod test {
let pair = Pair::generate();
let _pair2 = pair.derive_child_probably_bad(b"session_1234");
}
#[test]
fn ss58check_roundtrip_works() {
let pair = Pair::from_seed(b"12345678901234567890123456789012");
let public = pair.public();
let s = public.to_ss58check();
println!("Correct: {}", s);
let cmp = Public::from_ss58check(&s).unwrap();
assert_eq!(cmp, public);
}
#[test]
fn ss58check_known_works() {
let k = "5CGavy93sZgPPjHyziRohwVumxiHXMGmQLyuqQP4ZFx5vRU9";
let enc = hex!["090fa15cb5b1666222fff584b4cc2b1761fe1e238346b340491b37e25ea183ff"];
assert_eq!(Public::from_ss58check(k).unwrap(), Public::from_raw(enc));
}
}