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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 __RPMB_H__
#define __RPMB_H__
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
struct rpmb_key {
uint8_t byte[32];
};
struct rpmb_state;
#define RPMB_BUF_SIZE 256
/* provides */
int rpmb_init(struct rpmb_state** statep, void* mmc_handle);
void rpmb_set_key(struct rpmb_state* state, const struct rpmb_key* key);
void rpmb_uninit(struct rpmb_state* statep);
int rpmb_read(struct rpmb_state* state,
void* buf,
uint16_t addr,
uint16_t count);
int rpmb_read_no_mac(struct rpmb_state* state,
void* buf,
uint16_t addr,
uint16_t count);
int rpmb_verify(struct rpmb_state* state,
const void* buf,
uint16_t addr,
uint16_t count);
int rpmb_program_key(struct rpmb_state* state, const struct rpmb_key* key);
/* count must be 1 or 2, addr must be aligned */
int rpmb_write(struct rpmb_state* state,
const void* buf,
uint16_t addr,
uint16_t count,
bool sync,
bool sync_checkpoint);
/* needs */
int rpmb_send(void* mmc_handle,
void* reliable_write_buf,
size_t reliable_write_size,
void* write_buf,
size_t write_buf_size,
void* read_buf,
size_t read_buf_size,
bool sync,
bool sync_checkpoint);
#endif