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tor/src/test/test_routerkeys.c

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/* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "orconfig.h"
#define ROUTER_PRIVATE
#include "or.h"
#include "config.h"
#include "router.h"
#include "routerkeys.h"
#include "util.h"
#include "crypto.h"
#include "torcert.h"
#include "test.h"
#ifdef _WIN32
/* For mkdir() */
#include <direct.h>
#endif
static void
test_routerkeys_write_fingerprint(void *arg)
{
crypto_pk_t *key = pk_generate(2);
or_options_t *options = get_options_mutable();
const char *ddir = get_fname("write_fingerprint");
char *cp = NULL, *cp2 = NULL;
char fp[FINGERPRINT_LEN+1];
(void)arg;
tt_assert(key);
options->ORPort_set = 1; /* So that we can get the server ID key */
tor_free(options->DataDirectory);
options->DataDirectory = tor_strdup(ddir);
options->Nickname = tor_strdup("haflinger");
set_server_identity_key(key);
set_client_identity_key(crypto_pk_dup_key(key));
tt_int_op(0, OP_EQ, check_private_dir(ddir, CPD_CREATE, NULL));
tt_int_op(crypto_pk_cmp_keys(get_server_identity_key(),key),OP_EQ,0);
/* Write fingerprint file */
tt_int_op(0, OP_EQ, router_write_fingerprint(0));
cp = read_file_to_str(get_fname("write_fingerprint/fingerprint"),
0, NULL);
crypto_pk_get_fingerprint(key, fp, 0);
tor_asprintf(&cp2, "haflinger %s\n", fp);
tt_str_op(cp, OP_EQ, cp2);
tor_free(cp);
tor_free(cp2);
/* Write hashed-fingerprint file */
tt_int_op(0, OP_EQ, router_write_fingerprint(1));
cp = read_file_to_str(get_fname("write_fingerprint/hashed-fingerprint"),
0, NULL);
crypto_pk_get_hashed_fingerprint(key, fp);
tor_asprintf(&cp2, "haflinger %s\n", fp);
tt_str_op(cp, OP_EQ, cp2);
tor_free(cp);
tor_free(cp2);
/* Replace outdated file */
write_str_to_file(get_fname("write_fingerprint/hashed-fingerprint"),
"junk goes here", 0);
tt_int_op(0, OP_EQ, router_write_fingerprint(1));
cp = read_file_to_str(get_fname("write_fingerprint/hashed-fingerprint"),
0, NULL);
crypto_pk_get_hashed_fingerprint(key, fp);
tor_asprintf(&cp2, "haflinger %s\n", fp);
tt_str_op(cp, OP_EQ, cp2);
tor_free(cp);
tor_free(cp2);
done:
crypto_pk_free(key);
set_client_identity_key(NULL);
tor_free(cp);
tor_free(cp2);
}
static void
test_routerkeys_ed_certs(void *args)
{
(void)args;
ed25519_keypair_t kp1, kp2;
tor_cert_t *cert[2] = {NULL, NULL}, *nocert = NULL;
tor_cert_t *parsed_cert[2] = {NULL, NULL};
time_t now = 1412094534;
uint8_t *junk = NULL;
char *base64 = NULL;
tt_int_op(0,OP_EQ,ed25519_keypair_generate(&kp1, 0));
tt_int_op(0,OP_EQ,ed25519_keypair_generate(&kp2, 0));
for (int i = 0; i <= 1; ++i) {
uint32_t flags = i ? CERT_FLAG_INCLUDE_SIGNING_KEY : 0;
cert[i] = tor_cert_create(&kp1, 5, &kp2.pubkey, now, 10000, flags);
tt_assert(cert[i]);
tt_uint_op(cert[i]->sig_bad, OP_EQ, 0);
tt_uint_op(cert[i]->sig_ok, OP_EQ, 1);
tt_uint_op(cert[i]->cert_expired, OP_EQ, 0);
tt_uint_op(cert[i]->cert_valid, OP_EQ, 1);
tt_int_op(cert[i]->cert_type, OP_EQ, 5);
tt_mem_op(cert[i]->signed_key.pubkey, OP_EQ, &kp2.pubkey.pubkey, 32);
tt_mem_op(cert[i]->signing_key.pubkey, OP_EQ, &kp1.pubkey.pubkey, 32);
tt_int_op(cert[i]->signing_key_included, OP_EQ, i);
tt_assert(cert[i]->encoded);
tt_int_op(cert[i]->encoded_len, OP_EQ, 104 + 36 * i);
tt_int_op(cert[i]->encoded[0], OP_EQ, 1);
tt_int_op(cert[i]->encoded[1], OP_EQ, 5);
parsed_cert[i] = tor_cert_parse(cert[i]->encoded, cert[i]->encoded_len);
tt_assert(parsed_cert[i]);
tt_int_op(cert[i]->encoded_len, OP_EQ, parsed_cert[i]->encoded_len);
tt_mem_op(cert[i]->encoded, OP_EQ, parsed_cert[i]->encoded,
cert[i]->encoded_len);
tt_uint_op(parsed_cert[i]->sig_bad, OP_EQ, 0);
tt_uint_op(parsed_cert[i]->sig_ok, OP_EQ, 0);
tt_uint_op(parsed_cert[i]->cert_expired, OP_EQ, 0);
tt_uint_op(parsed_cert[i]->cert_valid, OP_EQ, 0);
/* Expired */
tt_int_op(tor_cert_checksig(parsed_cert[i], &kp1.pubkey, now + 30000),
OP_LT, 0);
tt_uint_op(parsed_cert[i]->cert_expired, OP_EQ, 1);
parsed_cert[i]->cert_expired = 0;
/* Wrong key */
tt_int_op(tor_cert_checksig(parsed_cert[i], &kp2.pubkey, now), OP_LT, 0);
tt_uint_op(parsed_cert[i]->sig_bad, OP_EQ, 1);
parsed_cert[i]->sig_bad = 0;
/* Missing key */
int ok = tor_cert_checksig(parsed_cert[i], NULL, now);
tt_int_op(ok < 0, OP_EQ, i == 0);
tt_uint_op(parsed_cert[i]->sig_bad, OP_EQ, 0);
tt_assert(parsed_cert[i]->sig_ok == (i != 0));
tt_assert(parsed_cert[i]->cert_valid == (i != 0));
parsed_cert[i]->sig_bad = 0;
parsed_cert[i]->sig_ok = 0;
parsed_cert[i]->cert_valid = 0;
/* Right key */
tt_int_op(tor_cert_checksig(parsed_cert[i], &kp1.pubkey, now), OP_EQ, 0);
tt_uint_op(parsed_cert[i]->sig_bad, OP_EQ, 0);
tt_uint_op(parsed_cert[i]->sig_ok, OP_EQ, 1);
tt_uint_op(parsed_cert[i]->cert_expired, OP_EQ, 0);
tt_uint_op(parsed_cert[i]->cert_valid, OP_EQ, 1);
}
/* Now try some junky certs. */
/* - Truncated */
nocert = tor_cert_parse(cert[0]->encoded, cert[0]->encoded_len-1);
tt_ptr_op(NULL, OP_EQ, nocert);
/* - First byte modified */
cert[0]->encoded[0] = 99;
nocert = tor_cert_parse(cert[0]->encoded, cert[0]->encoded_len);
tt_ptr_op(NULL, OP_EQ, nocert);
cert[0]->encoded[0] = 1;
/* - Extra byte at the end*/
junk = tor_malloc_zero(cert[0]->encoded_len + 1);
memcpy(junk, cert[0]->encoded, cert[0]->encoded_len);
nocert = tor_cert_parse(junk, cert[0]->encoded_len+1);
tt_ptr_op(NULL, OP_EQ, nocert);
/* - Multiple signing key instances */
tor_free(junk);
junk = tor_malloc_zero(104 + 36 * 2);
junk[0] = 1; /* version */
junk[1] = 5; /* cert type */
junk[6] = 1; /* key type */
junk[39] = 2; /* n_extensions */
junk[41] = 32; /* extlen */
junk[42] = 4; /* exttype */
junk[77] = 32; /* extlen */
junk[78] = 4; /* exttype */
nocert = tor_cert_parse(junk, 104 + 36 * 2);
tt_ptr_op(NULL, OP_EQ, nocert);
done:
tor_cert_free(cert[0]);
tor_cert_free(cert[1]);
tor_cert_free(parsed_cert[0]);
tor_cert_free(parsed_cert[1]);
tor_cert_free(nocert);
tor_free(junk);
tor_free(base64);
}
static void
test_routerkeys_ed_key_create(void *arg)
{
(void)arg;
tor_cert_t *cert = NULL;
ed25519_keypair_t *kp1 = NULL, *kp2 = NULL;
time_t now = time(NULL);
/* This is a simple alias for 'make a new keypair' */
kp1 = ed_key_new(NULL, 0, 0, 0, 0, &cert);
tt_assert(kp1);
/* Create a new certificate signed by kp1. */
kp2 = ed_key_new(kp1, INIT_ED_KEY_NEEDCERT, now, 3600, 4, &cert);
tt_assert(kp2);
tt_assert(cert);
tt_mem_op(&cert->signed_key, OP_EQ, &kp2->pubkey,
sizeof(ed25519_public_key_t));
tt_assert(! cert->signing_key_included);
tt_int_op(cert->valid_until, OP_GE, now);
tt_int_op(cert->valid_until, OP_LE, now+7200);
/* Create a new key-including certificate signed by kp1 */
ed25519_keypair_free(kp2);
tor_cert_free(cert);
cert = NULL; kp2 = NULL;
kp2 = ed_key_new(kp1, (INIT_ED_KEY_NEEDCERT|
INIT_ED_KEY_INCLUDE_SIGNING_KEY_IN_CERT),
now, 3600, 4, &cert);
tt_assert(kp2);
tt_assert(cert);
tt_assert(cert->signing_key_included);
tt_mem_op(&cert->signed_key, OP_EQ, &kp2->pubkey,
sizeof(ed25519_public_key_t));
tt_mem_op(&cert->signing_key, OP_EQ, &kp1->pubkey,
sizeof(ed25519_public_key_t));
done:
ed25519_keypair_free(kp1);
ed25519_keypair_free(kp2);
tor_cert_free(cert);
}
static void
test_routerkeys_ed_key_init_basic(void *arg)
{
(void) arg;
tor_cert_t *cert = NULL, *cert2 = NULL;
ed25519_keypair_t *kp1 = NULL, *kp2 = NULL, *kp3 = NULL;
time_t now = time(NULL);
char *fname1 = tor_strdup(get_fname("test_ed_key_1"));
char *fname2 = tor_strdup(get_fname("test_ed_key_2"));
struct stat st;
unlink(fname1);
unlink(fname2);
/* Fail to load a key that isn't there. */
kp1 = ed_key_init_from_file(fname1, 0, LOG_INFO, NULL, now, 0, 7, &cert);
tt_assert(kp1 == NULL);
tt_assert(cert == NULL);
/* Create the key if requested to do so. */
kp1 = ed_key_init_from_file(fname1, INIT_ED_KEY_CREATE, LOG_INFO,
NULL, now, 0, 7, &cert);
tt_assert(kp1 != NULL);
tt_assert(cert == NULL);
tt_int_op(stat(get_fname("test_ed_key_1_cert"), &st), OP_LT, 0);
tt_int_op(stat(get_fname("test_ed_key_1_secret_key"), &st), OP_EQ, 0);
/* Fail to load if we say we need a cert */
kp2 = ed_key_init_from_file(fname1, INIT_ED_KEY_NEEDCERT, LOG_INFO,
NULL, now, 0, 7, &cert);
tt_assert(kp2 == NULL);
/* Fail to load if we say the wrong key type */
kp2 = ed_key_init_from_file(fname1, 0, LOG_INFO,
NULL, now, 0, 6, &cert);
tt_assert(kp2 == NULL);
/* Load successfully if we're not picky, whether we say "create" or not. */
kp2 = ed_key_init_from_file(fname1, INIT_ED_KEY_CREATE, LOG_INFO,
NULL, now, 0, 7, &cert);
tt_assert(kp2 != NULL);
tt_assert(cert == NULL);
tt_mem_op(kp1, OP_EQ, kp2, sizeof(*kp1));
ed25519_keypair_free(kp2); kp2 = NULL;
kp2 = ed_key_init_from_file(fname1, 0, LOG_INFO,
NULL, now, 0, 7, &cert);
tt_assert(kp2 != NULL);
tt_assert(cert == NULL);
tt_mem_op(kp1, OP_EQ, kp2, sizeof(*kp1));
ed25519_keypair_free(kp2); kp2 = NULL;
/* Now create a key with a cert. */
kp2 = ed_key_init_from_file(fname2, (INIT_ED_KEY_CREATE|
INIT_ED_KEY_NEEDCERT),
LOG_INFO, kp1, now, 7200, 7, &cert);
tt_assert(kp2 != NULL);
tt_assert(cert != NULL);
tt_mem_op(kp1, OP_NE, kp2, sizeof(*kp1));
tt_int_op(stat(get_fname("test_ed_key_2_cert"), &st), OP_EQ, 0);
tt_int_op(stat(get_fname("test_ed_key_2_secret_key"), &st), OP_EQ, 0);
tt_assert(cert->cert_valid == 1);
tt_mem_op(&cert->signed_key, OP_EQ, &kp2->pubkey, 32);
/* Now verify we can load the cert... */
kp3 = ed_key_init_from_file(fname2, (INIT_ED_KEY_CREATE|
INIT_ED_KEY_NEEDCERT),
LOG_INFO, kp1, now, 7200, 7, &cert2);
tt_mem_op(kp2, OP_EQ, kp3, sizeof(*kp2));
tt_mem_op(cert2->encoded, OP_EQ, cert->encoded, cert->encoded_len);
ed25519_keypair_free(kp3); kp3 = NULL;
tor_cert_free(cert2); cert2 = NULL;
/* ... even without create... */
kp3 = ed_key_init_from_file(fname2, INIT_ED_KEY_NEEDCERT,
LOG_INFO, kp1, now, 7200, 7, &cert2);
tt_mem_op(kp2, OP_EQ, kp3, sizeof(*kp2));
tt_mem_op(cert2->encoded, OP_EQ, cert->encoded, cert->encoded_len);
ed25519_keypair_free(kp3); kp3 = NULL;
tor_cert_free(cert2); cert2 = NULL;
/* ... but that we don't crash or anything if we say we don't want it. */
kp3 = ed_key_init_from_file(fname2, INIT_ED_KEY_NEEDCERT,
LOG_INFO, kp1, now, 7200, 7, NULL);
tt_mem_op(kp2, OP_EQ, kp3, sizeof(*kp2));
ed25519_keypair_free(kp3); kp3 = NULL;
/* Fail if we're told the wrong signing key */
kp3 = ed_key_init_from_file(fname2, INIT_ED_KEY_NEEDCERT,
LOG_INFO, kp2, now, 7200, 7, &cert2);
tt_assert(kp3 == NULL);
tt_assert(cert2 == NULL);
done:
ed25519_keypair_free(kp1);
ed25519_keypair_free(kp2);
ed25519_keypair_free(kp3);
tor_cert_free(cert);
tor_cert_free(cert2);
tor_free(fname1);
tor_free(fname2);
}
static void
test_routerkeys_ed_key_init_split(void *arg)
{
(void) arg;
tor_cert_t *cert = NULL;
ed25519_keypair_t *kp1 = NULL, *kp2 = NULL;
time_t now = time(NULL);
char *fname1 = tor_strdup(get_fname("test_ed_key_3"));
char *fname2 = tor_strdup(get_fname("test_ed_key_4"));
struct stat st;
const uint32_t flags = INIT_ED_KEY_SPLIT|INIT_ED_KEY_MISSING_SECRET_OK;
unlink(fname1);
unlink(fname2);
/* Can't load key that isn't there. */
kp1 = ed_key_init_from_file(fname1, flags, LOG_INFO, NULL, now, 0, 7, &cert);
tt_assert(kp1 == NULL);
tt_assert(cert == NULL);
/* Create a split key */
kp1 = ed_key_init_from_file(fname1, flags|INIT_ED_KEY_CREATE,
LOG_INFO, NULL, now, 0, 7, &cert);
tt_assert(kp1 != NULL);
tt_assert(cert == NULL);
tt_int_op(stat(get_fname("test_ed_key_3_cert"), &st), OP_LT, 0);
tt_int_op(stat(get_fname("test_ed_key_3_secret_key"), &st), OP_EQ, 0);
tt_int_op(stat(get_fname("test_ed_key_3_public_key"), &st), OP_EQ, 0);
/* Load it. */
kp2 = ed_key_init_from_file(fname1, flags|INIT_ED_KEY_CREATE,
LOG_INFO, NULL, now, 0, 7, &cert);
tt_assert(kp2 != NULL);
tt_assert(cert == NULL);
tt_mem_op(kp1, OP_EQ, kp2, sizeof(*kp2));
ed25519_keypair_free(kp2); kp2 = NULL;
/* Okay, try killing the secret key and loading it. */
unlink(get_fname("test_ed_key_3_secret_key"));
kp2 = ed_key_init_from_file(fname1, flags,
LOG_INFO, NULL, now, 0, 7, &cert);
tt_assert(kp2 != NULL);
tt_assert(cert == NULL);
tt_mem_op(&kp1->pubkey, OP_EQ, &kp2->pubkey, sizeof(kp2->pubkey));
tt_assert(tor_mem_is_zero((char*)kp2->seckey.seckey,
sizeof(kp2->seckey.seckey)));
ed25519_keypair_free(kp2); kp2 = NULL;
/* Even when we're told to "create", don't create if there's a public key */
kp2 = ed_key_init_from_file(fname1, flags|INIT_ED_KEY_CREATE,
LOG_INFO, NULL, now, 0, 7, &cert);
tt_assert(kp2 != NULL);
tt_assert(cert == NULL);
tt_mem_op(&kp1->pubkey, OP_EQ, &kp2->pubkey, sizeof(kp2->pubkey));
tt_assert(tor_mem_is_zero((char*)kp2->seckey.seckey,
sizeof(kp2->seckey.seckey)));
ed25519_keypair_free(kp2); kp2 = NULL;
/* Make sure we fail on a tag mismatch, though */
kp2 = ed_key_init_from_file(fname1, flags,
LOG_INFO, NULL, now, 0, 99, &cert);
tt_assert(kp2 == NULL);
done:
ed25519_keypair_free(kp1);
ed25519_keypair_free(kp2);
tor_cert_free(cert);
tor_free(fname1);
tor_free(fname2);
}
static void
test_routerkeys_ed_keys_init_all(void *arg)
{
(void)arg;
char *dir = tor_strdup(get_fname("test_ed_keys_init_all"));
char *keydir = tor_strdup(get_fname("test_ed_keys_init_all/KEYS"));
or_options_t *options = tor_malloc_zero(sizeof(or_options_t));
time_t now = time(NULL);
ed25519_public_key_t id;
ed25519_keypair_t sign, auth;
tor_cert_t *link_cert = NULL;
get_options_mutable()->ORPort_set = 1;
crypto_pk_t *rsa = pk_generate(0);
set_server_identity_key(rsa);
set_client_identity_key(rsa);
router_initialize_tls_context();
options->SigningKeyLifetime = 30*86400;
options->TestingAuthKeyLifetime = 2*86400;
options->TestingLinkCertLifetime = 2*86400;
options->TestingSigningKeySlop = 2*86400;
options->TestingAuthKeySlop = 2*3600;
options->TestingLinkKeySlop = 2*3600;
#ifdef _WIN32
mkdir(dir);
mkdir(keydir);
#else
mkdir(dir, 0700);
mkdir(keydir, 0700);
#endif /* defined(_WIN32) */
options->DataDirectory = dir;
options->KeyDirectory = keydir;
tt_int_op(1, OP_EQ, load_ed_keys(options, now));
tt_int_op(0, OP_EQ, generate_ed_link_cert(options, now, 0));
tt_assert(get_master_identity_key());
tt_assert(get_master_identity_key());
tt_assert(get_master_signing_keypair());
tt_assert(get_current_auth_keypair());
tt_assert(get_master_signing_key_cert());
tt_assert(get_current_link_cert_cert());
tt_assert(get_current_auth_key_cert());
memcpy(&id, get_master_identity_key(), sizeof(id));
memcpy(&sign, get_master_signing_keypair(), sizeof(sign));
memcpy(&auth, get_current_auth_keypair(), sizeof(auth));
link_cert = tor_cert_dup(get_current_link_cert_cert());
/* Call load_ed_keys again, but nothing has changed. */
tt_int_op(0, OP_EQ, load_ed_keys(options, now));
tt_int_op(0, OP_EQ, generate_ed_link_cert(options, now, 0));
tt_mem_op(&id, OP_EQ, get_master_identity_key(), sizeof(id));
tt_mem_op(&sign, OP_EQ, get_master_signing_keypair(), sizeof(sign));
tt_mem_op(&auth, OP_EQ, get_current_auth_keypair(), sizeof(auth));
tt_assert(tor_cert_eq(link_cert, get_current_link_cert_cert()));
/* Force a reload: we make new link/auth keys. */
routerkeys_free_all();
tt_int_op(1, OP_EQ, load_ed_keys(options, now));
tt_int_op(0, OP_EQ, generate_ed_link_cert(options, now, 0));
tt_mem_op(&id, OP_EQ, get_master_identity_key(), sizeof(id));
tt_mem_op(&sign, OP_EQ, get_master_signing_keypair(), sizeof(sign));
tt_assert(tor_cert_eq(link_cert, get_current_link_cert_cert()));
tt_mem_op(&auth, OP_NE, get_current_auth_keypair(), sizeof(auth));
tt_assert(get_master_signing_key_cert());
tt_assert(get_current_link_cert_cert());
tt_assert(get_current_auth_key_cert());
tor_cert_free(link_cert);
link_cert = tor_cert_dup(get_current_link_cert_cert());
memcpy(&auth, get_current_auth_keypair(), sizeof(auth));
/* Force a link/auth-key regeneration by advancing time. */
tt_int_op(0, OP_EQ, load_ed_keys(options, now+3*86400));
tt_int_op(0, OP_EQ, generate_ed_link_cert(options, now+3*86400, 0));
tt_mem_op(&id, OP_EQ, get_master_identity_key(), sizeof(id));
tt_mem_op(&sign, OP_EQ, get_master_signing_keypair(), sizeof(sign));
tt_assert(! tor_cert_eq(link_cert, get_current_link_cert_cert()));
tt_mem_op(&auth, OP_NE, get_current_auth_keypair(), sizeof(auth));
tt_assert(get_master_signing_key_cert());
tt_assert(get_current_link_cert_cert());
tt_assert(get_current_auth_key_cert());
tor_cert_free(link_cert);
link_cert = tor_cert_dup(get_current_link_cert_cert());
memcpy(&auth, get_current_auth_keypair(), sizeof(auth));
/* Force a signing-key regeneration by advancing time. */
tt_int_op(1, OP_EQ, load_ed_keys(options, now+100*86400));
tt_int_op(0, OP_EQ, generate_ed_link_cert(options, now+100*86400, 0));
tt_mem_op(&id, OP_EQ, get_master_identity_key(), sizeof(id));
tt_mem_op(&sign, OP_NE, get_master_signing_keypair(), sizeof(sign));
tt_assert(! tor_cert_eq(link_cert, get_current_link_cert_cert()));
tt_mem_op(&auth, OP_NE, get_current_auth_keypair(), sizeof(auth));
tt_assert(get_master_signing_key_cert());
tt_assert(get_current_link_cert_cert());
tt_assert(get_current_auth_key_cert());
memcpy(&sign, get_master_signing_keypair(), sizeof(sign));
tor_cert_free(link_cert);
link_cert = tor_cert_dup(get_current_link_cert_cert());
memcpy(&auth, get_current_auth_keypair(), sizeof(auth));
/* Demonstrate that we can start up with no secret identity key */
routerkeys_free_all();
unlink(get_fname("test_ed_keys_init_all/KEYS/"
"ed25519_master_id_secret_key"));
tt_int_op(1, OP_EQ, load_ed_keys(options, now));
tt_int_op(0, OP_EQ, generate_ed_link_cert(options, now, 0));
tt_mem_op(&id, OP_EQ, get_master_identity_key(), sizeof(id));
tt_mem_op(&sign, OP_EQ, get_master_signing_keypair(), sizeof(sign));
tt_assert(! tor_cert_eq(link_cert, get_current_link_cert_cert()));
tt_mem_op(&auth, OP_NE, get_current_auth_keypair(), sizeof(auth));
tt_assert(get_master_signing_key_cert());
tt_assert(get_current_link_cert_cert());
tt_assert(get_current_auth_key_cert());
/* But we're in trouble if we have no id key and our signing key has
expired. */
log_global_min_severity_ = LOG_ERR; /* Suppress warnings.
* XXX (better way to do this)? */
routerkeys_free_all();
tt_int_op(-1, OP_EQ, load_ed_keys(options, now+200*86400));
done:
tor_free(dir);
tor_free(keydir);
tor_free(options);
tor_cert_free(link_cert);
routerkeys_free_all();
}
static void
test_routerkeys_cross_certify_ntor(void *args)
{
(void) args;
tor_cert_t *cert = NULL;
curve25519_keypair_t onion_keys;
ed25519_public_key_t master_key;
ed25519_public_key_t onion_check_key;
time_t now = time(NULL);
int sign;
tt_int_op(0, OP_EQ, ed25519_public_from_base64(&master_key,
"IamwritingthesetestsOnARainyAfternoonin2014"));
tt_int_op(0, OP_EQ, curve25519_keypair_generate(&onion_keys, 0));
cert = make_ntor_onion_key_crosscert(&onion_keys,
&master_key,
now, 10000,
&sign);
tt_assert(cert);
tt_assert(sign == 0 || sign == 1);
tt_int_op(cert->cert_type, OP_EQ, CERT_TYPE_ONION_ID);
tt_int_op(1, OP_EQ, ed25519_pubkey_eq(&cert->signed_key, &master_key));
tt_int_op(0, OP_EQ, ed25519_public_key_from_curve25519_public_key(
&onion_check_key, &onion_keys.pubkey, sign));
tt_int_op(0, OP_EQ, tor_cert_checksig(cert, &onion_check_key, now));
done:
tor_cert_free(cert);
}
static void
test_routerkeys_cross_certify_tap(void *args)
{
(void)args;
uint8_t *cc = NULL;
int cc_len;
ed25519_public_key_t master_key;
crypto_pk_t *onion_key = pk_generate(2), *id_key = pk_generate(1);
char digest[20];
char buf[128];
int n;
tt_int_op(0, OP_EQ, ed25519_public_from_base64(&master_key,
"IAlreadyWroteTestsForRouterdescsUsingTheseX"));
cc = make_tap_onion_key_crosscert(onion_key,
&master_key,
id_key, &cc_len);
tt_assert(cc);
tt_assert(cc_len);
n = crypto_pk_public_checksig(onion_key, buf, sizeof(buf),
(char*)cc, cc_len);
tt_int_op(n,OP_GT,0);
tt_int_op(n,OP_EQ,52);
crypto_pk_get_digest(id_key, digest);
tt_mem_op(buf,OP_EQ,digest,20);
tt_mem_op(buf+20,OP_EQ,master_key.pubkey,32);
tt_int_op(0, OP_EQ, check_tap_onion_key_crosscert(cc, cc_len,
onion_key, &master_key, (uint8_t*)digest));
done:
tor_free(cc);
crypto_pk_free(id_key);
crypto_pk_free(onion_key);
}
static void
test_routerkeys_rsa_ed_crosscert(void *arg)
{
(void)arg;
ed25519_public_key_t ed;
crypto_pk_t *rsa = pk_generate(2);
uint8_t *cc = NULL;
ssize_t cc_len;
time_t expires_in = 1470846177;
tt_int_op(0, OP_EQ, ed25519_public_from_base64(&ed,
"ThisStringCanContainAnythingSoNoKeyHereNowX"));
cc_len = tor_make_rsa_ed25519_crosscert(&ed, rsa, expires_in, &cc);
tt_int_op(cc_len, OP_GT, 0);
tt_int_op(cc_len, OP_GT, 37); /* key, expires, siglen */
tt_mem_op(cc, OP_EQ, ed.pubkey, 32);
time_t expires_out = 3600 * ntohl(get_uint32(cc+32));
tt_int_op(expires_out, OP_GE, expires_in);
tt_int_op(expires_out, OP_LE, expires_in + 3600);
tt_int_op(cc_len, OP_EQ, 37 + get_uint8(cc+36));
tt_int_op(0, OP_EQ, rsa_ed25519_crosscert_check(cc, cc_len, rsa, &ed,
expires_in - 10));
/* Now try after it has expired */
tt_int_op(-4, OP_EQ, rsa_ed25519_crosscert_check(cc, cc_len, rsa, &ed,
expires_out + 1));
/* Truncated object */
tt_int_op(-2, OP_EQ, rsa_ed25519_crosscert_check(cc, cc_len - 2, rsa, &ed,
expires_in - 10));
/* Key not as expected */
cc[0] ^= 3;
tt_int_op(-3, OP_EQ, rsa_ed25519_crosscert_check(cc, cc_len, rsa, &ed,
expires_in - 10));
cc[0] ^= 3;
/* Bad signature */
cc[40] ^= 3;
tt_int_op(-5, OP_EQ, rsa_ed25519_crosscert_check(cc, cc_len, rsa, &ed,
expires_in - 10));
cc[40] ^= 3;
/* Signature of wrong data */
cc[0] ^= 3;
ed.pubkey[0] ^= 3;
tt_int_op(-6, OP_EQ, rsa_ed25519_crosscert_check(cc, cc_len, rsa, &ed,
expires_in - 10));
cc[0] ^= 3;
ed.pubkey[0] ^= 3;
done:
crypto_pk_free(rsa);
tor_free(cc);
}
#define TEST(name, flags) \
{ #name , test_routerkeys_ ## name, (flags), NULL, NULL }
struct testcase_t routerkeys_tests[] = {
TEST(write_fingerprint, TT_FORK),
TEST(ed_certs, TT_FORK),
TEST(ed_key_create, TT_FORK),
TEST(ed_key_init_basic, TT_FORK),
TEST(ed_key_init_split, TT_FORK),
TEST(ed_keys_init_all, TT_FORK),
TEST(cross_certify_ntor, 0),
TEST(cross_certify_tap, 0),
TEST(rsa_ed_crosscert, 0),
END_OF_TESTCASES
};
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