HMAC-based Hierarchical Key Derivation
hkd32 is a Rust library which implements a hierarchical deterministic
symmetric key derivation construction inspired by
BIP-0032: Hierarchical Deterministic Wallets.
It can be used to deterministically derive a hierarchy of symmetric keys
from initial keying material (or when the
mnemonic feature is enabled,
through a 24-word BIP39 passphrase) by repeatedly applying the
Hash-based Message Authentication Code (HMAC).
This construction is specialized for deriving 32-byte (256-bit) keys from an initial 32-bytes of input key material.
Copyright © 2019 iqlusion
Includes code from the
bip39 crate. Copyright © 2017-2018 Stephen Oliver,
with contributions by Maciej Hirsz.
hkd32 is distributed under the terms of either the MIT license or the Apache License (Version 2.0), at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you shall be dual licensed as above, without any additional terms or conditions.