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/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "vb21_struct.h"
#include "rsa.h"
/**
* Validate key contents.
*
* @param key
* @return EC_SUCCESS or EC_ERROR_*
*/
int vb21_is_packed_key_valid(const struct vb21_packed_key *key);
/**
* Validate signature contents.
*
* @param sig Signature to be validated.
* @param key Key to be used for validating <sig>.
* @return EC_SUCCESS or EC_ERROR_*
*/
int vb21_is_signature_valid(const struct vb21_signature *sig,
const struct vb21_packed_key *key);
/**
* Check data region is filled with ones
*
* @param data Data to be validated.
* @param start Offset where validation starts.
* @param end Offset where validation ends. data[end] won't be checked.
* @return EC_SUCCESS or EC_ERROR_*
*/
int vboot_is_padding_valid(const uint8_t *data, uint32_t start, uint32_t end);
/**
* Verify data by RSA signature
*
* @param data Data to be verified.
* @param len Number of bytes in <data>.
* @param key Key to be used for verification.
* @param sig Signature of <data>
* @return EC_SUCCESS or EC_ERROR_*
*/
int vboot_verify(const uint8_t *data, int len,
const struct rsa_public_key *key, const uint8_t *sig);
/**
* Entry point of EC EFS
*/
void vboot_main(void);
/**
* Get if vboot requires PD comm to be enabled or not
*
* @return 1: need PD communication. 0: PD communication is not needed.
*/
int vboot_need_pd_comm(void);
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