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* Copyright (c) 2014, Google Inc.
* (C) Copyright 2008 Semihalf
* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering,
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
* This file is a (heavily) modified version of rsa.h found in
* U-Boot (
#ifndef _RSA_PARAMS_H
#define _RSA_PARAMS_H
#include <inttypes.h>
* get_verify_data() - Returns the necessary verification data
* Calculates and returns the necessary data for run-time verification by
* rsa_verify.c. For details on the output parameters, see rsa_verify.c.
* The caller must free *modulus_ptr and *r_squared_ptr when done with them.
* @filepath: Path to an RSA private key file
* @modulus_ptr: Output pointer for modulus parameter
* @r_squared_ptr: Output pointer for rr parameter
* @n0_inv: Output for n0_inv parameter
* @len: Output for len parameter (in bits)
* @return: 0, on success, -ve on error
int rsa_get_verify_data(char *filepath, uint32_t **modulus_ptr,
uint32_t **r_squared_ptr, uint32_t *n0_inv, int *len);