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trezorhal: introduce fix_version in image header (version of last critical bugfix)

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pull/25/head
Pavol Rusnak 7 years ago
parent d1df2c45fa
commit 965aa73b63
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GPG Key ID: 91F3B339B9A02A3D
12 changed files with 62 additions and 10 deletions
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12
docs/bootloader.md
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@ -79,7 +79,11 @@ Total length of bootloader header is always 1024 bytes.
| 0x0011 | 1 | vminor | version (minor) |
| 0x0012 | 1 | vpatch | version (patch) |
| 0x0013 | 1 | vbuild | version (build) |
| 0x0014 | 12 | reserved | not used yet (zeroed) |
| 0x0014 | 1 | fix_vmajor | version of last critical bugfix (major) |
| 0x0015 | 1 | fix_vminor | version of last critical bugfix (minor) |
| 0x0016 | 1 | fix_vpatch | version of last critical bugfix (patch) |
| 0x0017 | 1 | fix_vbuild | version of last critical bugfix (build) |
| 0x0018 | 8 | reserved | not used yet (zeroed) |
| 0x0020 | 32 | hash1 | hash of the first code chunk (128 - 1 KiB), this excludes the header |
| 0x0040 | 32 | hash2 | hash of the second code chunk (128 KiB), zeroed if unused |
| ... | ... | ... | ... |
@ -152,7 +156,11 @@ Total length of firmware header is always 1024 bytes.
| 0x0011 | 1 | vminor | version (minor) |
| 0x0012 | 1 | vpatch | version (patch) |
| 0x0013 | 1 | vbuild | version (build) |
| 0x0014 | 12 | reserved | not used yet (zeroed) |
| 0x0014 | 1 | fix_vmajor | version of last critical bugfix (major) |
| 0x0015 | 1 | fix_vminor | version of last critical bugfix (minor) |
| 0x0016 | 1 | fix_vpatch | version of last critical bugfix (patch) |
| 0x0017 | 1 | fix_vbuild | version of last critical bugfix (build) |
| 0x0018 | 8 | reserved | not used yet (zeroed) |
| 0x0020 | 32 | hash1 | hash of the first code chunk (128 - 1 KiB), this excludes the header |
| 0x0040 | 32 | hash2 | hash of the second code chunk (128 KiB), zeroed if unused |
| ... | ... | ... | ... |

6
embed/bootloader/header.S
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@ -16,7 +16,11 @@ g_header:
.byte VERSION_MINOR // vminor
.byte VERSION_PATCH // vpatch
.byte VERSION_BUILD // vbuild
. = . + 12 // reserved
.byte FIX_VERSION_MAJOR // fix_vmajor
.byte FIX_VERSION_MINOR // fix_vminor
.byte FIX_VERSION_PATCH // fix_vpatch
.byte FIX_VERSION_BUILD // fix_vbuild
. = . + 8 // reserved
. = . + 512 // hash1 ... hash16
. = . + 415 // reserved
.byte 0 // sigmask

5
embed/bootloader/version.h
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@ -3,4 +3,9 @@
#define VERSION_PATCH 0
#define VERSION_BUILD 0
#define FIX_VERSION_MAJOR 0
#define FIX_VERSION_MINOR 1
#define FIX_VERSION_PATCH 0
#define FIX_VERSION_BUILD 0
#define VERSION_MONOTONIC 1

6
embed/firmware/header.S
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@ -16,7 +16,11 @@ g_header:
.byte VERSION_MINOR // vminor
.byte VERSION_PATCH // vpatch
.byte VERSION_BUILD // vbuild
. = . + 12 // reserved
.byte FIX_VERSION_MAJOR // fix_vmajor
.byte FIX_VERSION_MINOR // fix_vminor
.byte FIX_VERSION_PATCH // fix_vpatch
.byte FIX_VERSION_BUILD // fix_vbuild
. = . + 8 // reserved
. = . + 512 // hash1 ... hash16
. = . + 415 // reserved
.byte 0 // sigmask

5
embed/firmware/version.h
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@ -2,3 +2,8 @@
#define VERSION_MINOR 1
#define VERSION_PATCH 0
#define VERSION_BUILD 0
#define FIX_VERSION_MAJOR 0
#define FIX_VERSION_MINOR 1
#define FIX_VERSION_PATCH 0
#define FIX_VERSION_BUILD 0

6
embed/prodtest/header.S
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@ -16,7 +16,11 @@ g_header:
.byte VERSION_MINOR // vminor
.byte VERSION_PATCH // vpatch
.byte VERSION_BUILD // vbuild
. = . + 12 // reserved
.byte FIX_VERSION_MAJOR // fix_vmajor
.byte FIX_VERSION_MINOR // fix_vminor
.byte FIX_VERSION_PATCH // fix_vpatch
.byte FIX_VERSION_BUILD // fix_vbuild
. = . + 8 // reserved
. = . + 512 // hash1 ... hash16
. = . + 415 // reserved
.byte 0 // sigmask

5
embed/prodtest/version.h
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@ -2,3 +2,8 @@
#define VERSION_MINOR 1
#define VERSION_PATCH 0
#define VERSION_BUILD 0
#define FIX_VERSION_MAJOR 0
#define FIX_VERSION_MINOR 1
#define FIX_VERSION_PATCH 0
#define FIX_VERSION_BUILD 0

6
embed/reflash/header.S
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@ -16,7 +16,11 @@ g_header:
.byte VERSION_MINOR // vminor
.byte VERSION_PATCH // vpatch
.byte VERSION_BUILD // vbuild
. = . + 12 // reserved
.byte FIX_VERSION_MAJOR // fix_vmajor
.byte FIX_VERSION_MINOR // fix_vminor
.byte FIX_VERSION_PATCH // fix_vpatch
.byte FIX_VERSION_BUILD // fix_vbuild
. = . + 8 // reserved
. = . + 512 // hash1 ... hash16
. = . + 415 // reserved
.byte 0 // sigmask

5
embed/reflash/version.h
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@ -2,3 +2,8 @@
#define VERSION_MINOR 1
#define VERSION_PATCH 0
#define VERSION_BUILD 0
#define FIX_VERSION_MAJOR 0
#define FIX_VERSION_MINOR 1
#define FIX_VERSION_PATCH 0
#define FIX_VERSION_BUILD 0

1
embed/trezorhal/image.c
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@ -49,6 +49,7 @@ secbool load_image_header(const uint8_t * const data, const uint32_t magic, cons
if ((hdr->hdrlen + hdr->codelen) % 512 != 0) return secfalse;
memcpy(&hdr->version, data + 16, 4);
memcpy(&hdr->fix_version, data + 20, 4);
memcpy(hdr->hashes, data + 32, 512);

3
embed/trezorhal/image.h
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@ -25,7 +25,8 @@ typedef struct {
uint32_t expiry;
uint32_t codelen;
uint32_t version;
// uint8_t reserved[12];
uint32_t fix_version;
// uint8_t reserved[8];
uint8_t hashes[512];
// uint8_t reserved[415];
uint8_t sigmask;

12
tools/binctl
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@ -26,7 +26,7 @@ IMAGE_CHUNK_SIZE = 128 * 1024
class BinImage(object):
def __init__(self, data, magic, max_size):
header = struct.unpack('<4sIIIBBBB12s512s415sB64s', data[:IMAGE_HEADER_SIZE])
header = struct.unpack('<4sIIIBBBBBBBB8s512s415sB64s', data[:IMAGE_HEADER_SIZE])
self.magic, \
self.hdrlen, \
self.expiry, \
@ -35,6 +35,10 @@ class BinImage(object):
self.vminor, \
self.vpatch, \
self.vbuild, \
self.fix_vmajor, \
self.fix_vminor, \
self.fix_vpatch, \
self.fix_vbuild, \
self.reserved1, \
self.hashes, \
self.reserved2, \
@ -46,7 +50,7 @@ class BinImage(object):
assert total_len % 512 == 0
assert total_len >= 4 * 1024
assert total_len <= max_size
assert self.reserved1 == 12 * b'\x00'
assert self.reserved1 == 8 * b'\x00'
assert self.reserved2 == 415 * b'\x00'
self.code = data[self.hdrlen:]
assert len(self.code) == self.codelen
@ -66,6 +70,7 @@ class BinImage(object):
print(' * expiry :', self.expiry)
print(' * codelen :', self.codelen)
print(' * version : %d.%d.%d.%d' % (self.vmajor, self.vminor, self.vpatch, self.vbuild))
print(' * fixver : %d.%d.%d.%d' % (self.fix_vmajor, self.fix_vminor, self.fix_vpatch, self.fix_vbuild))
print(' * hashes: %s' % ('OK' if self.check_hashes() else 'INCORRECT'))
for i in range(16):
print(' - %02d : %s' % (i, binascii.hexlify(self.hashes[i * 32:i * 32 + 32]).decode()))
@ -101,9 +106,10 @@ class BinImage(object):
self.hashes = self.compute_hashes()
def serialize_header(self, sig=True):
header = struct.pack('<4sIIIBBBB12s512s415s',
header = struct.pack('<4sIIIBBBBBBBB8s512s415s',
self.magic, self.hdrlen, self.expiry, self.codelen,
self.vmajor, self.vminor, self.vpatch, self.vbuild,
self.fix_vmajor, self.fix_vminor, self.fix_vpatch, self.fix_vbuild,
self.reserved1, self.hashes, self.reserved2)
if sig:
header += struct.pack('<B64s', self.sigmask, self.sig)

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