mirror of
https://github.com/trezor/trezor-firmware.git
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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
#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 (6 * IMAGE_CHUNK_SIZE)
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// TODO: change above limitation to 13 blocks after fixing writing to non-continuous area
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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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// uint8_t reserved[12];
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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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} image_header;
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#define MAX_VENDOR_PUBLIC_KEYS 8
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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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uint8_t vtrust;
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// uint8_t reserved[15];
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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 uint8_t *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 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 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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secbool check_single_hash(const uint8_t * const hash, const uint8_t * const data, int len);
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secbool 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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