rust-openssl-hkdf

额外的包装，用于通过rust-openssl添加对HKDF的支持。作为临时桥接，直到rust-openssl发布支持此功能的新官方版本。openssl-sys目前支持hkdf，是这个crate的基础。参见rust-openssl PR 此处。

有关使用说明，请参阅文档。

许可证

Copyright 2021 Tom Leavy

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://apache.ac.cn/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.