diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2017-08-31 10:49:00 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-09-05 21:07:19 -0700 |
| commit | 35da86f58928bf3063b496d329e1903bdca09ecd (patch) | |
| tree | e6ca9e95920279138deb43d1203b4394b4c20e6b | |
| parent | 16426bf1667a223f3ef52f1129fd5fe2b91787ba (diff) | |
| download | vboot-35da86f58928bf3063b496d329e1903bdca09ecd.tar.gz | |
futility: Make help text for sign-rwsig accurate
This patch updates the help text for futility sign --type rwsig
command. The change describes what FMAP regions are required. It
also names each mode (data only, data+signature, key+data+signature)
and explains how each mode is selected.
BUG=b:65027647
BRANCH=none
TEST=Run futility help sign rwsig
Change-Id: Ib43f5396ce4f1319f4825ef85d412483bd92d18f
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/646377
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | futility/cmd_sign.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/futility/cmd_sign.c b/futility/cmd_sign.c index 5b686342..8599c74c 100644 --- a/futility/cmd_sign.c +++ b/futility/cmd_sign.c @@ -479,16 +479,23 @@ static void print_help_rwsig(int argc, char *argv[]) "\n" "This signs a %s.\n" "\n" + "Data only mode\n" + "This mode requires OUTFILE.\n" "The INFILE is a binary blob of arbitrary size. It is signed using the\n" "private key and the vb21_signature blob emitted.\n" "\n" + "Data + Signature mode\n" "If no OUTFILE is specified, the INFILE should contain an existing\n" "vb21_signature blob near its end. The data_size from that signature is\n" "used to re-sign a portion of the INFILE, and the old signature blob is\n" "replaced.\n" - "Alternatively, if INFILE contains an FMAP, RW and signatures offsets\n" - "are read from that table, and, if a public key is provided, the\n" - "public key is replaced in the RO image.\n" + "\n" + "Key + Data + Signature mode\n" + "This mode also takes no output file.\n" + "If INFILE contains an FMAP, RW and signatures offsets are read from\n" + "FMAP. These regions must be named EC_RW and SIG_RW respectively.\n" + "If a public key is found in the region named KEY_RO, it will be replaced\n" + "in the RO image.\n" "\n" "Options:\n" "\n" |