add host tool "fit_check_sign" which verifies, if a fit image is signed correct. Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Simon Glass <sjg@chromium.org>master
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#include "../lib/fdtdec.c" |
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/*
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* (C) Copyright 2014 |
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* DENX Software Engineering |
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* Heiko Schocher <hs@denx.de> |
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* |
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* Based on: |
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* (C) Copyright 2008 Semihalf |
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* |
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* (C) Copyright 2000-2004 |
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* DENX Software Engineering |
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* Wolfgang Denk, wd@denx.de |
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* |
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* Updated-by: Prafulla Wadaskar <prafulla@marvell.com> |
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* FIT image specific code abstracted from mkimage.c |
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* some functions added to address abstraction |
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* |
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* All rights reserved. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include "mkimage.h" |
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#include "fit_common.h" |
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#include <image.h> |
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#include <u-boot/crc.h> |
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void usage(char *cmdname) |
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{ |
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fprintf(stderr, "Usage: %s -f fit file -k key file\n" |
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" -f ==> set fit file which should be checked'\n" |
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" -k ==> set key file which contains the key'\n", |
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cmdname); |
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exit(EXIT_FAILURE); |
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} |
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int main(int argc, char **argv) |
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{ |
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int ffd = -1; |
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int kfd = -1; |
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struct stat fsbuf; |
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struct stat ksbuf; |
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void *fit_blob; |
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char *fdtfile = NULL; |
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char *keyfile = NULL; |
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char cmdname[50]; |
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int ret; |
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void *key_blob; |
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int c; |
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strcpy(cmdname, *argv); |
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while ((c = getopt(argc, argv, "f:k:")) != -1) |
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switch (c) { |
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case 'f': |
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fdtfile = optarg; |
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break; |
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case 'k': |
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keyfile = optarg; |
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break; |
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default: |
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usage(cmdname); |
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break; |
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} |
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ffd = mmap_fdt(cmdname, fdtfile, &fit_blob, &fsbuf, 0); |
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if (ffd < 0) |
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return EXIT_FAILURE; |
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kfd = mmap_fdt(cmdname, keyfile, &key_blob, &ksbuf, 0); |
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if (ffd < 0) |
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return EXIT_FAILURE; |
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image_set_host_blob(key_blob); |
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ret = fit_check_sign(fit_blob, key_blob); |
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if (ret) |
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ret = EXIT_SUCCESS; |
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else |
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ret = EXIT_FAILURE; |
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(void) munmap((void *)fit_blob, fsbuf.st_size); |
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(void) munmap((void *)key_blob, ksbuf.st_size); |
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close(ffd); |
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close(kfd); |
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exit(ret); |
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} |
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#include "../lib/rsa/rsa-checksum.c" |
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#include "../lib/rsa/rsa-verify.c" |
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