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

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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