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Enhance tor-checkkey tool so it can generate key hashes too.

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svn:r18478
This commit is contained in:
Nick Mathewson 2009-02-10 20:03:58 +00:00
parent 34b285b09f
commit 009752823a
1 changed files with 28 additions and 6 deletions
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34
src/tools/tor-checkkey.c
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@ -17,12 +17,15 @@ int main(int c, char **v)
crypto_pk_env_t *env; crypto_pk_env_t *env;
char *str; char *str;
RSA *rsa; RSA *rsa;
int wantdigest=0;
int fname_idx;
init_logging(); init_logging();
if (c < 2) { if (c < 2) {
fprintf(stderr, "Hi. I'm tor-checkkey. Tell me a filename that " 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 " "has a PEM-encoded RSA public key (like in a cert) and I'll "
"dump the modulus.\n"); "dump the modulus. Use the --digest option too and I'll "
"dump the digest.\n");
return 1; return 1;
} }
@ -31,9 +34,21 @@ int main(int c, char **v)
return 1; return 1;
} }
str = read_file_to_str(v[1], 0, NULL); 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;
}
str = read_file_to_str(v[fname_idx], 0, NULL);
if (!str) { if (!str) {
fprintf(stderr, "Couldn't read %s\n", v[1]); fprintf(stderr, "Couldn't read %s\n", v[fname_idx]);
return 1; return 1;
} }
@ -44,10 +59,17 @@ int main(int c, char **v)
} }
tor_free(str); tor_free(str);
rsa = _crypto_pk_env_get_rsa(env); if (wantdigest) {
str = BN_bn2hex(rsa->n); 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_env_get_rsa(env);
str = BN_bn2hex(rsa->n);
printf("%s\n", str); printf("%s\n", str);
}
return 0; return 0;
} }