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- /*
- * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #ifndef _VMC_DATABASE_EXTERNAL_H
- #define _VMC_DATABASE_EXTERNAL_H
- #include "sgx_attributes.h"
- #include "sgx_report.h"
- #include "sgx_key.h"
- #include "pse_inc.h"
- #include "pse_types.h"
- #include "sgx_sha256_128.h"
- #define PSE_VMC_QUOTA_SIZE 256
- #define ROOT_HASH_SIZE SGX_SHA256_128_HASH_SIZE
- #define HASH_VALUE_SIZE SGX_SHA256_HASH_SIZE
- #define INIT_MAX_HASH_TREE_LAYER 14
- #define INIT_LEAF_NODE_ID_BASE 8192 // 2^13
- #define INIT_MAX_LEAF_NODE_ID 16383 // 2^14-1
- #define INIT_MIN_LEAF_NODE_ID (INIT_LEAF_NODE_ID_BASE)
- #define INIT_INTERNAL_NODE_NR ((INIT_MAX_HASH_TREE_LAYER)-2)
- #define INIT_TOTAL_ANCESTORS_NODE_NUMBER ((INIT_MAX_HASH_TREE_LAYER)-2)
- #define INIT_TOTAL_BROTHERS_NODE_NUMBER ((INIT_MAX_HASH_TREE_LAYER)-1)
- #define INIT_TOTAL_NODE_NUMBER_FOR_READING ((INIT_TOTAL_ANCESTORS_NODE_NUMBER)+(INIT_TOTAL_BROTHERS_NODE_NUMBER)+1)
- #define TREE_NODE_CACHE_SIZE static_cast<uint32_t>(sizeof(tree_node_cache_t))
- #define ROOT_NODE_SIZE static_cast<uint32_t>(sizeof(hash_tree_root_node_t))
- #define INTERNAL_NODE_SIZE static_cast<uint32_t>(sizeof(hash_tree_internal_node_t))
- #define LEAF_NODE_SIZE static_cast<uint32_t>(sizeof(hash_tree_leaf_node_t))
- #pragma pack(push, 1)
- // use script to generate this data set
- const uint8_t internal_node_hash_value_table[23][32] = {
- #include "hashtable.txt"
- };
- typedef struct _root_node {
- uint8_t hash[ROOT_HASH_SIZE];
- }hash_tree_root_node_t;
- typedef struct _internal_node {
- uint8_t hash[HASH_VALUE_SIZE];
- }hash_tree_internal_node_t;
- typedef struct _leaf_node {
- uint8_t is_used; // flag that indicates
- uint8_t nonce[13]; //
- uint32_t value; //
- uint16_t owner_policy; //
- uint8_t owner_attr_mask[16]; //
- uint8_t owner_id[32]; //
- sgx_isv_svn_t owner_svn; //creator's SVN
- }hash_tree_leaf_node_t, vmc_data_blob_t;
- #define UUID_ENTRY_INDEX_SIZE 3
- #define UUID_NONCE_SIZE 13
- typedef struct _mc_rpdb_uuid {
- uint8_t entry_index[UUID_ENTRY_INDEX_SIZE];
- uint8_t nonce[UUID_NONCE_SIZE];
- }mc_rpdb_uuid_t;
- #define INVALID_VMC_ID 0xFFFFFF
- #define SIM_ME_MC_READ 0
- #define SIM_ME_MC_INC_BY_ONE 1
- #define SIM_ME_MC_INC_BY_TWO 2
- #define MAX_VMC_ENTRY_NR_LIMIT 8192
- typedef struct _cal_root_hash_buf {
- uint8_t children_hash[HASH_VALUE_SIZE*2]; // left_child_hash followed by right_child_hash, for sha256-128 calculation
- uint8_t pairing_nonce[16];
- uint32_t rp_epoch;
- }cal_root_hash_buf_t;
- typedef enum _pse_vmc_db_state {
- PSE_VMC_DB_STATE_WORKABLE,
- PSE_VMC_DB_STATE_DOWN
- }pse_vmc_db_state_t;
- typedef enum _leafnode_flag_op_type {
- CLR_LEAFNODE_FLAG,
- SET_LEAFNODE_FLAG,
- GET_EMPTY_LEAFNODE,
- NON_OP
- }leafnode_flag_op_type;
- typedef struct _op_leafnode_flag_t {
- leafnode_flag_op_type op_type;
- sgx_measurement_t mr_signer; // The value of the enclave SIGNER's measurement
- }op_leafnode_flag_t;
- typedef struct _cse_rpdata_t
- {
- uint8_t rpdata_roothash[ROOT_HASH_SIZE];
- uint32_t rpdata_epoch;
- }cse_rpdata_t;
- typedef enum _rpdb_op_t {
- RPDB_OP_CREATE,
- RPDB_OP_READ,
- RPDB_OP_INCREMENT,
- RPDB_OP_DELETE
- }rpdb_op_t;
- typedef struct _leaf_node_cache_t {
- uint32_t node_id;
- hash_tree_leaf_node_t leaf;
- }leaf_node_cache_t;
- typedef struct _internal_node_cache_t {
- uint32_t node_id;
- hash_tree_internal_node_t internal;
- }internal_node_cache_t;
- typedef struct _pse_vmc_hash_tree_cache_t {
- leaf_node_cache_t self;
- leaf_node_cache_t brother;
- internal_node_cache_t ancestors[INIT_INTERNAL_NODE_NR];
- internal_node_cache_t brother_of_ancestors[INIT_INTERNAL_NODE_NR];
- hash_tree_root_node_t root;
- }pse_vmc_hash_tree_cache_t;
- typedef struct _pse_vmc_children_of_root_t {
- internal_node_cache_t left_child;
- internal_node_cache_t rigth_child;
- }pse_vmc_children_of_root_t;
- #pragma pack(pop)
- #endif
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