hkd32 0.3.1

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. Optionally supports storing root derivation passwords as a 24-word mnemonic phrase (i.e. BIP39).
Documentation
## [0.3.1] 2019-10-13

- Upgrade to `subtle-encoding` v0.5.0 ([#283])

## [0.3.0] 2019-10-13

- Split out `bip39` cargo feature ([#280])
- Upgrade to `zeroize` v1.0.0 ([#279])

## [0.2.0] 2019-08-20

- Vendor (simplified) BIP39 implementation from `tiny-bip39` ([#251])
- `subtle-encoding` v0.4.0 ([#249])
- `zeroize` v0.10.0 ([#248])

## [0.1.2] 2019-07-23

- Fix docs typo ([#235])

## [0.1.1] 2019-07-21

- Fix docs typo ([#232])

## 0.1.0 (2019-07-21)

- Initial release

[0.3.1]: https://github.com/iqlusioninc/crates/pull/284
[#283]: https://github.com/iqlusioninc/crates/pull/283
[0.3.0]: https://github.com/iqlusioninc/crates/pull/281
[#280]: https://github.com/iqlusioninc/crates/pull/280
[#279]: https://github.com/iqlusioninc/crates/pull/279
[0.2.0]: https://github.com/iqlusioninc/crates/pull/252
[#251]: https://github.com/iqlusioninc/crates/pull/251
[#249]: https://github.com/iqlusioninc/crates/pull/249
[#248]: https://github.com/iqlusioninc/crates/pull/248
[0.1.2]: https://github.com/iqlusioninc/crates/pull/236
[#235]: https://github.com/iqlusioninc/crates/pull/235
[0.1.1]: https://github.com/iqlusioninc/crates/pull/233
[#232]: https://github.com/iqlusioninc/crates/pull/232