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1147a470c2
Add the AP/RSS interface for reading the entropy. And update the document for the API. Change-Id: I61492d6b5d824a01ffeadc92f9d41ca841ba3367 Signed-off-by: Leo Yan <leo.yan@arm.com> Signed-off-by: Icen Zeyada <Icen.Zeyada2@arm.com>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
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* Copyright (c) 2023, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef RSE_PLATFORM_API_H
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#define RSE_PLATFORM_API_H
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#include <stdint.h>
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#include "psa/error.h"
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#if CRYPTO_SUPPORT
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#include <rse_crypto_defs.h>
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#endif
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#define RSE_PLATFORM_API_ID_NV_READ (1010)
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#define RSE_PLATFORM_API_ID_NV_INCREMENT (1011)
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/*
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* Increments the given non-volatile (NV) counter by one
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*
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* counter_id NV counter ID.
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*
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* PSA_SUCCESS if the value is read correctly. Otherwise,
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* it returns a PSA_ERROR.
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*/
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psa_status_t
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rse_platform_nv_counter_increment(uint32_t counter_id);
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/*
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* Reads the given non-volatile (NV) counter
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*
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* counter_id NV counter ID.
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* size Size of the buffer to store NV counter value
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* in bytes.
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* val Pointer to store the current NV counter value.
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*
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* PSA_SUCCESS if the value is read correctly. Otherwise,
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* it returns a PSA_ERROR.
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*/
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psa_status_t
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rse_platform_nv_counter_read(uint32_t counter_id,
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uint32_t size, uint8_t *val);
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#if CRYPTO_SUPPORT
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/*
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* Reads the public key or the public part of a key pair in binary format.
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*
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* key Identifier of the key to export.
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* data Buffer where the key data is to be written.
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* data_size Size of the data buffer in bytes.
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* data_length On success, the number of bytes that make up the key data.
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*
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* PSA_SUCCESS if the value is read correctly. Otherwise,
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* it returns a PSA_ERROR.
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*/
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psa_status_t
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rse_platform_key_read(enum rse_key_id_builtin_t key, uint8_t *data,
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size_t data_size, size_t *data_length);
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/*
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* Gets the entropy.
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*
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* data Buffer where the entropy data is to be written.
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* data_size Size of the data buffer in bytes.
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*
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* PSA_SUCCESS if the entropy is generated successfully. Otherwise,
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* it returns a PSA_ERROR.
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*/
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psa_status_t
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rse_platform_get_entropy(uint8_t *data, size_t data_size);
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#endif
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#endif /* RSE_PLATFORM_API_H */
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