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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 BTLS.BoringSSL.HKDF
( hkdfExtract, hkdfExpand
) where
import Data.ByteString (ByteString)
import Foreign (Ptr)
import Foreign.C.Types
{#import BTLS.BoringSSL.Base#}
import BTLS.Buffer (unsafeUseAsCBuffer)
#include <openssl/hkdf.h>
{#fun HKDF_extract as hkdfExtract
{ id `Ptr CUChar', id `Ptr CULong', `Ptr EVPMD'
, unsafeUseAsCBuffer* `ByteString'&, unsafeUseAsCBuffer* `ByteString'& }
-> `Int'#}
{#fun HKDF_expand as hkdfExpand
{ id `Ptr CUChar', `Int', `Ptr EVPMD', unsafeUseAsCBuffer* `ByteString'&
, unsafeUseAsCBuffer* `ByteString'& } -> `Int'#}
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