HD wallet BIP-32 related key derivation utilities.

Last update: Nov 27, 2022

Overview

HDWallet

HD wallet(BIP-32) key derivation utilities.

This crate is build upon secp256k1 crate, this crate only provides BIP-32 related features, for signature features see the secp256k1 documentation.

[ChainPath] and [KeyChain] are used to derive HD wallet keys.
[Derivation] describes key derivation info.
[ExtendedPrivKey] and [ExtendedPubKey] represent extended keys according to BIP-32, which can derives child keys.
[KeyIndex] indicates child key's index and type(Normal key or Hardened key).
[Error] errors.

hdwallet itself is a key derivation framework. Check hdwallet-bitcoin if you want to derive bitcoin keys; you can find or submit other crypto currencies on hdwallet homepage.

Documentation

License

MIT

Comments

Replace the `rand` dependency with `rand_core` & update dependency versions.

By replacing the direct rand::thread_rng() calls with an explicitly provided RngCore + CryptoRng source of randomness, this allows others to reuse this code without being tied to the rand crate directly.

This also updates the secp256k1 dependency to a more current version.

If backward compatibility is a concern, how would you feel about the un-parameterized version of ExtendedPrivKey::random to be available via a feature flag, so that the dependency on rand can be optional?

opened by nuttycom 1
`random_with_seed_size` is producing an empty seed

seed in:

https://github.com/jjyr/hdwallet/blob/c86ed6a2e35090cc8ca405bf26fd04fec89925ba/src/key.rs#L46-L55

is a 0-lenght Vec, rng.fill(seed.as_mut_slice()); is a noop (you get a mutable 0-size slice).

Proper approach is to use a zero-ed vector (vec![0; len]) or after creating a Vec with capacity to use the unsafe set_len (although you have to make sure the bytes aren't being read, as it opens you up to potential memory exploits if they are).

opened by maciejhirsz 1
Updating crates
I'm updating secp256k1 to "0.16" cause some other crates (such as https://crates.io/crates/bitcoin) use it and secp256k1 has c compiled code, so if I add distinct ones it fails linking them;

I've removed the minor versions on Cargo.toml cause cargo can manage to get the last version.
opened by rodoufu 0
Updating ring version due to vulnerability problem.
Closes: #8

The actual version of the project is pointing to ring = "0.14.0" which has a dependency to spin = "0.5.0" and this version has a vulnerability problem. https://github.com/jjyr/hdwallet/blob/master/Cargo.toml#L20

It's possible to update the ring to ring = "0.16.9" which is using the spin = "0.5.2" https://github.com/briansmith/ring/blob/master/Cargo.toml#L307

error: Vulnerable crates found! ID: RUSTSEC-2019-0013 Crate: spin Version: 0.5.0 Date: 2019-08-27 URL: https://github.com/mvdnes/spin-rs/issues/65 Title: Wrong memory orderings in RwLock potentially violates mutual exclusion Solution: upgrade to: >= 0.5.2
opened by rodoufu 0
Update ring version due to vulnerability problem
The actual version of the project is pointing to ring = "0.14.0" which has a dependency to spin = "0.5.0" and this version has a vulnerability problem. https://github.com/jjyr/hdwallet/blob/master/Cargo.toml#L20

It's possible to update the ring to ring = "0.16.9" which is using the spin = "0.5.2" https://github.com/briansmith/ring/blob/master/Cargo.toml#L307

error: Vulnerable crates found! ID: RUSTSEC-2019-0013 Crate: spin Version: 0.5.0 Date: 2019-08-27 URL: https://github.com/mvdnes/spin-rs/issues/65 Title: Wrong memory orderings in RwLock potentially violates mutual exclusion Solution: upgrade to: >= 0.5.2
opened by rodoufu 0
bitcoin_hdwallet example error

The key should be changed to extended_key. Otherwise, it will fail to compile. let (extended_key, derivation) = key_chain.derive_private_key("m/1H/0".into()).expect("derive ExtendedPrivKey"); let key = BitcoinPrivKey { network: BitcoinNetwork::MainNet, derivation, extended_key, };

opened by yhyuan 0
Update secp256k1 to 0.23?

The secp256k1 crate updated and has some more developed features, including using a much newer version of the rand crate. It would be nice if we could switch to that to avoid duplicating dependencies.

opened by wadagso-trey 0

Owner

jjy

Yet another coffee to code compiler

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