pal_plat_rot.h

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/*******************************************************************************
 * Copyright 2016-2018 ARM Ltd.
 *
 * 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
 *
 *     http://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.
 *******************************************************************************/


#ifndef _PAL_PLAT_ROT_H
#define _PAL_PLAT_ROT_H

#ifdef __cplusplus
extern "C" {
#endif

#include "pal.h"

#include <stdint.h>
#include <stddef.h>

#define PAL_SHA256_DEVICE_KEY_SIZE_IN_BYTES 32
#define PAL_DEVICE_KEY_SIZE_IN_BITS (128)
#define PAL_DEVICE_KEY_SIZE_IN_BYTES (PAL_DEVICE_KEY_SIZE_IN_BITS / 8)

palStatus_t pal_plat_osGetRoT(uint8_t *keyBuf, size_t keyLenBytes);

#if PAL_USE_HW_ROT

palStatus_t pal_plat_osGetRoTFromHW(uint8_t *keyBuf, size_t keyLenBytes);
#endif

#if defined (PAL_USE_HW_ROT) && (PAL_USE_HW_ROT==0)

palStatus_t pal_plat_osSetRoT(uint8_t *keyBuf, size_t keyLenBytes);
#endif

#ifdef __cplusplus
}
#endif
#endif //_PAL_PLAT_ROT_H