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mkimage: Add -c option to specify a comment for key signing

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When signing an image, it is useful to add some details about which tool
or person is authorising the signing. Add a comment field which can take
care of miscellaneous requirements.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Simon Glass
2013-06-13 15:10:06 -07:00
committed by Tom Rini
parent 95d77b4479
commit 4f61042701
4 changed files with 16 additions and 3 deletions
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8
tools/mkimage.c
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@@ -183,6 +183,11 @@ main (int argc, char **argv)
genimg_get_arch_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'c':
if (--argc <= 0)
usage();
params.comment = *++argv;
goto NXTARG;
case 'C':
if ((--argc <= 0) ||
(params.comp =
@@ -640,9 +645,10 @@ usage ()
fprintf(stderr, " -D => set options for device tree compiler\n"
" -f => input filename for FIT source\n");
#ifdef CONFIG_FIT_SIGNATURE
fprintf(stderr, "Signing / verified boot options: [-k keydir] [-K dtb]\n"
fprintf(stderr, "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>]\n"
" -k => set directory containing private keys\n"
" -K => write public keys to this .dtb file\n"
" -c => add comment in signature node\n"
" -F => re-sign existing FIT image\n");
#else
fprintf(stderr, "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");