hkd32 0.1.2

HMAC-based Hierarchical Key Derivation: deterministically derive a hierarchy of symmetric keys from initial keying material through repeated applications of the Hash-based Message Authentication Code (HMAC) construction.
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HMAC-based Hierarchical Key Derivation

Crate Docs Apache 2.0 Licensed Rust 1.36+ Build Status Gitter Chat

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.

Documentation

License

Copyright © 2019 iqlusion

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

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