91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
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* This file is part of the TREZOR project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TREZORHAL_IMAGE_H__
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#define __TREZORHAL_IMAGE_H__
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#include <stdint.h>
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#include "secbool.h"
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#define BOARDLOADER_START 0x08000000
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#define BOOTLOADER_START 0x08020000
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#define FIRMWARE_START 0x08040000
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#define IMAGE_HEADER_SIZE 0x400
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#define IMAGE_SIG_SIZE 65
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#define IMAGE_CHUNK_SIZE (128 * 1024)
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#define BOOTLOADER_IMAGE_MAGIC 0x425A5254 // TRZB
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#define BOOTLOADER_IMAGE_MAXSIZE (1 * IMAGE_CHUNK_SIZE)
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#define FIRMWARE_IMAGE_MAGIC 0x465A5254 // TRZF
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#define FIRMWARE_IMAGE_MAXSIZE (13 * IMAGE_CHUNK_SIZE)
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typedef struct {
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uint32_t magic;
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uint32_t hdrlen;
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uint32_t expiry;
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uint32_t codelen;
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uint32_t version;
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uint32_t fix_version;
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// uint8_t reserved[8];
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uint8_t hashes[512];
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// uint8_t reserved[415];
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uint8_t sigmask;
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uint8_t sig[64];
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uint8_t fingerprint[32];
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} image_header;
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#define MAX_VENDOR_PUBLIC_KEYS 8
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#define VTRUST_WAIT 0x000F
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#define VTRUST_RED 0x0010
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#define VTRUST_CLICK 0x0020
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#define VTRUST_STRING 0x0040
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#define VTRUST_ALL (VTRUST_WAIT | VTRUST_RED | VTRUST_CLICK | VTRUST_STRING)
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typedef struct {
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uint32_t magic;
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uint32_t hdrlen;
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uint32_t expiry;
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uint16_t version;
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uint8_t vsig_m;
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uint8_t vsig_n;
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uint16_t vtrust;
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// uint8_t reserved[14];
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const uint8_t *vpub[MAX_VENDOR_PUBLIC_KEYS];
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uint8_t vstr_len;
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const char *vstr;
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const uint8_t *vimg;
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uint8_t sigmask;
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uint8_t sig[64];
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} vendor_header;
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secbool __wur load_image_header(const uint8_t * const data, const uint32_t magic, const uint32_t maxsize, uint8_t key_m, uint8_t key_n, const uint8_t * const *keys, image_header * const hdr);
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secbool __wur load_vendor_header(const uint8_t * const data, uint8_t key_m, uint8_t key_n, const uint8_t * const *keys, vendor_header * const vhdr);
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void vendor_keys_hash(const vendor_header * const vhdr, uint8_t *hash);
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secbool __wur check_single_hash(const uint8_t * const hash, const uint8_t * const data, int len);
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secbool __wur check_image_contents(const image_header * const hdr, uint32_t firstskip, const uint8_t *sectors, int blocks);
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#endif
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