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/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the 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, see <http://www.gnu.org/licenses/>.
*
* See file CREDITS for list of people who contributed to this
* project.
*/
/*
* crypto.h - Definitions for the crypto support.
*/
#ifndef INCLUDED_CRYPTO_H_N
#define INCLUDED_CRYPTO_H_N
#include "cbootimage.h"
/* lengths, in bytes */
#define KEY_LENGTH (128/8)
#define ICEIL(a, b) (((a) + (b) - 1)/(b))
#define AES_CMAC_CONST_RB 0x87 // from RFC 4493, Figure 2.2
/* Function prototypes */
int
sign_bct(build_image_context *context,
u_int8_t *bct);
int
sign_data_block(u_int8_t *source,
u_int32_t length,
u_int8_t *signature);
void
reverse_byte_order(
u_int8_t *out,
const u_int8_t *in,
const u_int32_t size);
int
sign_bl(build_image_context *context,
u_int8_t *bootloader,
u_int32_t length,
u_int32_t image_instance);
#endif /* #ifndef INCLUDED_CRYPTO_H */
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