mbed-os/connectivity/FEATURE_BLE/source/generic/MemorySecurityDb.h

123 lines
3.1 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2006-2020 ARM Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 GENERIC_MEMORY_SECURITY_DB_H_
#define GENERIC_MEMORY_SECURITY_DB_H_
#include "SecurityDb.h"
namespace ble {
/** Naive memory implementation for verification. */
class MemorySecurityDb : public SecurityDb {
private:
struct entry_t {
entry_t() = default;
SecurityDistributionFlags_t flags;
SecurityEntryKeys_t local_keys;
SecurityEntryKeys_t peer_keys;
SecurityEntryIdentity_t peer_identity;
SecurityEntrySigning_t peer_signing;
};
static entry_t *as_entry(entry_handle_t db_handle);
public:
MemorySecurityDb();
~MemorySecurityDb() override = default;
SecurityDistributionFlags_t *get_distribution_flags(
entry_handle_t db_handle
) override;
/* local keys */
/* set */
void set_entry_local_ltk(
entry_handle_t db_handle,
const ltk_t &ltk
) override;
void set_entry_local_ediv_rand(
entry_handle_t db_handle,
const ediv_t &ediv,
const rand_t &rand
) override;
/* peer's keys */
/* set */
void set_entry_peer_ltk(
entry_handle_t db_handle,
const ltk_t &ltk
) override;
void set_entry_peer_ediv_rand(
entry_handle_t db_handle,
const ediv_t &ediv,
const rand_t &rand
) override;
void set_entry_peer_irk(
entry_handle_t db_handle,
const irk_t &irk
) override;
void set_entry_peer_bdaddr(
entry_handle_t db_handle,
bool address_is_public,
const address_t &peer_address
) override;
void set_entry_peer_csrk(
entry_handle_t db_handle,
const csrk_t &csrk
) override;
void set_entry_peer_sign_counter(
entry_handle_t db_handle,
sign_count_t sign_counter
) override;
private:
uint8_t get_entry_count() override;
SecurityDistributionFlags_t *get_entry_handle_by_index(uint8_t index) override;
void reset_entry(entry_handle_t db_entry) override;
SecurityEntryIdentity_t *read_in_entry_peer_identity(entry_handle_t db_entry) override;
SecurityEntryKeys_t *read_in_entry_peer_keys(entry_handle_t db_entry) override;
SecurityEntryKeys_t *read_in_entry_local_keys(entry_handle_t db_entry) override;
SecurityEntrySigning_t *read_in_entry_peer_signing(entry_handle_t db_entry) override;
uint8_t get_index(const entry_handle_t db_handle) const;
private:
entry_t _entries[BLE_SECURITY_DATABASE_MAX_ENTRIES];
};
} /* namespace ble */
#endif /*GENERIC_MEMORY_SECURITY_DB_H_*/