81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/* Copyright (c) 2008-2015, The Tor Project, Inc. */
|
|
/* See LICENSE for licensing information */
|
|
|
|
#include "orconfig.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "crypto.h"
|
|
#include "torlog.h"
|
|
#include "../common/util.h"
|
|
#include "compat.h"
|
|
#include <openssl/bn.h>
|
|
#include <openssl/rsa.h>
|
|
|
|
int
|
|
main(int c, char **v)
|
|
{
|
|
crypto_pk_t *env;
|
|
char *str;
|
|
RSA *rsa;
|
|
int wantdigest=0;
|
|
int fname_idx;
|
|
char *fname=NULL;
|
|
init_logging(1);
|
|
|
|
if (c < 2) {
|
|
fprintf(stderr, "Hi. I'm tor-checkkey. Tell me a filename that "
|
|
"has a PEM-encoded RSA public key (like in a cert) and I'll "
|
|
"dump the modulus. Use the --digest option too and I'll "
|
|
"dump the digest.\n");
|
|
return 1;
|
|
}
|
|
|
|
if (crypto_global_init(0, NULL, NULL)) {
|
|
fprintf(stderr, "Couldn't initialize crypto library.\n");
|
|
return 1;
|
|
}
|
|
|
|
if (!strcmp(v[1], "--digest")) {
|
|
wantdigest = 1;
|
|
fname_idx = 2;
|
|
if (c<3) {
|
|
fprintf(stderr, "too few arguments");
|
|
return 1;
|
|
}
|
|
} else {
|
|
wantdigest = 0;
|
|
fname_idx = 1;
|
|
}
|
|
|
|
fname = expand_filename(v[fname_idx]);
|
|
str = read_file_to_str(fname, 0, NULL);
|
|
tor_free(fname);
|
|
if (!str) {
|
|
fprintf(stderr, "Couldn't read %s\n", v[fname_idx]);
|
|
return 1;
|
|
}
|
|
|
|
env = crypto_pk_new();
|
|
if (crypto_pk_read_public_key_from_string(env, str, strlen(str))<0) {
|
|
fprintf(stderr, "Couldn't parse key.\n");
|
|
return 1;
|
|
}
|
|
tor_free(str);
|
|
|
|
if (wantdigest) {
|
|
char digest[HEX_DIGEST_LEN+1];
|
|
if (crypto_pk_get_fingerprint(env, digest, 0)<0)
|
|
return 1;
|
|
printf("%s\n",digest);
|
|
} else {
|
|
rsa = crypto_pk_get_rsa_(env);
|
|
str = BN_bn2hex(rsa->n);
|
|
|
|
printf("%s\n", str);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|