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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*/
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#if !defined(AVB_INSIDE_LIBAVB_H) && !defined(AVB_COMPILATION)
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#error "Never include this file directly, include libavb.h instead."
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#endif
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#ifndef AVB_CHAIN_PARTITION_DESCRIPTOR_H_
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#define AVB_CHAIN_PARTITION_DESCRIPTOR_H_
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#include "avb_descriptor.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* A descriptor containing a pointer to signed integrity data stored
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* on another partition. The descriptor contains the partition name in
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* question (without the A/B suffix), the public key used to sign the
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* integrity data, and rollback index location to use for rollback
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* protection.
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*
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* Following this struct are |partition_name_len| bytes of the
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* partition name (UTF-8 encoded) and |public_key_len| bytes of the
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* public key.
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*
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* The |reserved| field is for future expansion and must be set to NUL
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* bytes.
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*/
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typedef struct AvbChainPartitionDescriptor {
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AvbDescriptor parent_descriptor;
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uint32_t rollback_index_location;
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uint32_t partition_name_len;
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uint32_t public_key_len;
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uint8_t reserved[64];
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} AVB_ATTR_PACKED AvbChainPartitionDescriptor;
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/* Copies |src| to |dest| and validates, byte-swapping fields in the
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* process if needed. Returns true if valid, false if invalid.
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*
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* Data following the struct is not validated nor copied.
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*/
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bool avb_chain_partition_descriptor_validate_and_byteswap(
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const AvbChainPartitionDescriptor* src,
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AvbChainPartitionDescriptor* dest) AVB_ATTR_WARN_UNUSED_RESULT;
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#ifdef __cplusplus
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}
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#endif
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#endif /* AVB_CHAIN_PARTITION_DESCRIPTOR_H_ */
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