diff options
Diffstat (limited to 'dtbhtool/mkbootimg.c')
| -rw-r--r-- | dtbhtool/mkbootimg.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/dtbhtool/mkbootimg.c b/dtbhtool/mkbootimg.c index 06fc95b..09e2e78 100644 --- a/dtbhtool/mkbootimg.c +++ b/dtbhtool/mkbootimg.c @@ -67,6 +67,7 @@ int usage(void) " [ --pagesize <pagesize> ]\n" " [ --ramdisk_offset <address> ]\n" " [ --dt <filename> ]\n" + " [ --signature <filename> ]\n" " -o|--output <filename>\n" ); return 1; @@ -109,6 +110,8 @@ int main(int argc, char **argv) char *board = ""; char *dt_fn = 0; void *dt_data = 0; + char *sig_fn = 0; + void *sig_data = 0; unsigned pagesize = 2048; int fd; SHA_CTX ctx; @@ -162,6 +165,8 @@ int main(int argc, char **argv) } } else if(!strcmp(arg, "--dt")) { dt_fn = val; + } else if(!strcmp(arg, "--signature")) { + sig_fn = val; } else { return usage(); } @@ -236,6 +241,14 @@ int main(int argc, char **argv) } } + if(sig_fn) { + sig_data = load_file(sig_fn, 0); + if (sig_data == 0) { + fprintf(stderr,"error: could not load signature '%s'\n", sig_fn); + return 1; + } + } + /* put a hash of the contents in the header so boot images can be * differentiated based on their first 2k. */ @@ -278,6 +291,11 @@ int main(int argc, char **argv) if(write(fd, dt_data, hdr.dt_size) != hdr.dt_size) goto fail; if(write_padding(fd, pagesize, hdr.dt_size)) goto fail; } + + if(sig_data) { + if(write(fd, sig_data, 256) != 256) goto fail; + } + return 0; fail: |