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core/tools: add help texts to headertool

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matejcik 2020-01-03 17:42:52 +01:00 committed by Pavol Rusnak
parent 1b04d1caa7
commit 7c56a1296f
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 54 additions and 4 deletions
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58
core/tools/headertool.py
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@ -116,14 +116,20 @@ def do_replace_vendorheader(fw, vh_file) -> None:
"-S",
"--sign-private",
"privkey_data",
metavar="INDEX:PRIVKEY_HEX",
multiple=True,
help="Private key to use for signing.",
help="Private key to use for signing. Can be repeated.",
)
@click.option(
"-D", "--sign-dev-keys", is_flag=True, help="Sign with development header keys."
)
@click.option(
"-s", "--signature", "insert_signature", nargs=2, help="Insert external signature."
"-s",
"--signature",
"insert_signature",
nargs=2,
metavar="INDEX:INDEX:INDEX... SIGNATURE_HEX",
help="Insert external signature.",
)
@click.option("-V", "--replace-vendor-header", type=click.File("rb"))
@click.option(
@ -131,9 +137,15 @@ def do_replace_vendorheader(fw, vh_file) -> None:
"--digest",
"print_digest",
is_flag=True,
help="Only output fingerprint for signing.",
help="Only output header digest for signing and exit.",
)
@click.option(
"-r",
"--remote",
metavar="IPADDR",
multiple=True,
help="IP address of remote signer. Can be repeated.",
)
@click.option("-r", "--remote", multiple=True, help="IP address of remote signer.")
@click.argument("firmware_file", type=click.File("rb+"))
def cli(
firmware_file,
@ -147,6 +159,44 @@ def cli(
print_digest,
remote,
):
"""Manage trezor-core firmware headers.
This tool supports three types of files: raw vendor headers (TRZV), bootloader
images (TRZB), and firmware images which are prefixed with a vendor header
(TRZV+TRZF).
Run with no options on a file to dump information about that file.
Run with -d to print the header digest and exit. This works correctly regardless of
whether code hashes have been filled.
Run with -h to recalculate and fill in code hashes.
To insert an external signature:
./headertool.py firmware.bin -s 1:2:3 ABCDEF<...signature in hex format>
The string "1:2:3" is a list of 1-based indexes of keys used to generate the signature.
To sign with local private keys:
\b
./headertool.py firmware.bin -S 1:ABCDEF<...hex private key> -S 2:1234<..hex private key>
Each instance of -S is in the form "index:privkey", where index is the same as
above. Instead of specifying the keys manually, use -D to substitue known
development keys.
Signature validity is not checked in either of the two cases.
To sign with remote participants:
./headertool.py firmware.bin -r 10.24.13.11 -r 10.24.13.190 ...
Each participant must be running keyctl-proxy configured on the same file. Signers'
public keys must be in the list of known signers and are matched to indexes
automatically.
"""
firmware_data = firmware_file.read()
try: