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-- Copyright 2018 Google LLC
--
-- 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.
module Internal.HKDF
( hkdfExtract, hkdfExpand
) where
import Foreign (Ptr)
import Foreign.C.Types
{#import Internal.Base#}
import Result
#include <openssl/hkdf.h>
hkdfExtract ::
Ptr CUChar -> Ptr CULong
-> Ptr EVPMD
-> Ptr CUChar -> CULong
-> Ptr CUChar -> CULong
-> IO ()
hkdfExtract outKey outLen digest secret secretLen salt saltLen =
requireSuccess $
{#call HKDF_extract as ^#} outKey outLen digest secret secretLen salt saltLen
hkdfExpand ::
Ptr CUChar -> CULong
-> Ptr EVPMD
-> Ptr CUChar -> CULong
-> Ptr CUChar -> CULong
-> IO ()
hkdfExpand outKey outLen digest prk prkLen info infoLen =
requireSuccess $
{#call HKDF_expand as ^#} outKey outLen digest prk prkLen info infoLen
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