From 29a23f9d6c533f8371be3ae0268c4c75866291b2 Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Mon, 3 Mar 2014 12:19:30 +0100 Subject: tools, fit_check_sign: verify a signed fit image add host tool "fit_check_sign" which verifies, if a fit image is signed correct. Signed-off-by: Heiko Schocher Cc: Simon Glass --- tools/fit_check_sign.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 tools/fit_check_sign.c (limited to 'tools/fit_check_sign.c') diff --git a/tools/fit_check_sign.c b/tools/fit_check_sign.c new file mode 100644 index 0000000..d6d9340 --- /dev/null +++ b/tools/fit_check_sign.c @@ -0,0 +1,85 @@ +/* + * (C) Copyright 2014 + * DENX Software Engineering + * Heiko Schocher + * + * Based on: + * (C) Copyright 2008 Semihalf + * + * (C) Copyright 2000-2004 + * DENX Software Engineering + * Wolfgang Denk, wd@denx.de + * + * Updated-by: Prafulla Wadaskar + * FIT image specific code abstracted from mkimage.c + * some functions added to address abstraction + * + * All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "mkimage.h" +#include "fit_common.h" +#include +#include + +void usage(char *cmdname) +{ + fprintf(stderr, "Usage: %s -f fit file -k key file\n" + " -f ==> set fit file which should be checked'\n" + " -k ==> set key file which contains the key'\n", + cmdname); + exit(EXIT_FAILURE); +} + +int main(int argc, char **argv) +{ + int ffd = -1; + int kfd = -1; + struct stat fsbuf; + struct stat ksbuf; + void *fit_blob; + char *fdtfile = NULL; + char *keyfile = NULL; + char cmdname[50]; + int ret; + void *key_blob; + int c; + + strcpy(cmdname, *argv); + while ((c = getopt(argc, argv, "f:k:")) != -1) + switch (c) { + case 'f': + fdtfile = optarg; + break; + case 'k': + keyfile = optarg; + break; + default: + usage(cmdname); + break; + } + + ffd = mmap_fdt(cmdname, fdtfile, &fit_blob, &fsbuf, 0); + if (ffd < 0) + return EXIT_FAILURE; + kfd = mmap_fdt(cmdname, keyfile, &key_blob, &ksbuf, 0); + if (ffd < 0) + return EXIT_FAILURE; + + image_set_host_blob(key_blob); + ret = fit_check_sign(fit_blob, key_blob); + + if (ret) + ret = EXIT_SUCCESS; + else + ret = EXIT_FAILURE; + + (void) munmap((void *)fit_blob, fsbuf.st_size); + (void) munmap((void *)key_blob, ksbuf.st_size); + + close(ffd); + close(kfd); + exit(ret); +} -- cgit v1.1