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/* Copyright 2018 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "dcrypto.h"
static int dcrypto_appkey_init_flag_ = -1;
int DCRYPTO_appkey_init(enum dcrypto_appid appid)
{
if (dcrypto_appkey_init_flag_ != -1)
return 0;
dcrypto_appkey_init_flag_ = appid;
return 1;
}
void DCRYPTO_appkey_finish(void)
{
dcrypto_appkey_init_flag_ = -1;
}
int DCRYPTO_appkey_derive(enum dcrypto_appid appid, const uint32_t input[8],
uint32_t output[8])
{
/* See README.md for while this is a passthrough. */
memcpy(output, input, SHA256_DIGEST_SIZE);
return 1;
}
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