Key *
key_new_private(int type)
{
Key *ret = NULL;
if ((ret = sshkey_new_private(type)) == NULL)
fatal("%s: failed", __func__);
return ret;
}
void
sshkey_tests(void)
{
struct sshkey *k1, *k2, *k3, *k4, *kr, *kd, *ke, *kf;
struct sshbuf *b;
TEST_START("new invalid");
k1 = sshkey_new(-42);
ASSERT_PTR_EQ(k1, NULL);
TEST_DONE();
TEST_START("new/free KEY_UNSPEC");
k1 = sshkey_new(KEY_UNSPEC);
ASSERT_PTR_NE(k1, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_RSA1");
k1 = sshkey_new(KEY_RSA1);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_EQ(k1->rsa->p, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_RSA");
k1 = sshkey_new(KEY_RSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_EQ(k1->rsa->p, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_DSA");
k1 = sshkey_new(KEY_DSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->dsa, NULL);
ASSERT_PTR_NE(k1->dsa->g, NULL);
ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_ECDSA");
k1 = sshkey_new(KEY_ECDSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_EQ(k1->ecdsa, NULL); /* Can't allocate without NID */
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_ED25519");
k1 = sshkey_new(KEY_ED25519);
ASSERT_PTR_NE(k1, NULL);
/* These should be blank until key loaded or generated */
ASSERT_PTR_EQ(k1->ed25519_sk, NULL);
ASSERT_PTR_EQ(k1->ed25519_pk, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new_private KEY_RSA");
k1 = sshkey_new_private(KEY_RSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_NE(k1->rsa->p, NULL);
ASSERT_INT_EQ(sshkey_add_private(k1), 0);
sshkey_free(k1);
TEST_DONE();
TEST_START("new_private KEY_DSA");
k1 = sshkey_new_private(KEY_DSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->dsa, NULL);
ASSERT_PTR_NE(k1->dsa->g, NULL);
ASSERT_PTR_NE(k1->dsa->priv_key, NULL);
ASSERT_INT_EQ(sshkey_add_private(k1), 0);
sshkey_free(k1);
TEST_DONE();
TEST_START("generate KEY_RSA too small modulus");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 128, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
TEST_DONE();
TEST_START("generate KEY_RSA too large modulus");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1 << 20, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
TEST_DONE();
TEST_START("generate KEY_DSA wrong bits");
ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 2048, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("generate KEY_ECDSA wrong bits");
ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 42, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("generate KEY_RSA");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 768, &kr), 0);
ASSERT_PTR_NE(kr, NULL);
ASSERT_PTR_NE(kr->rsa, NULL);
ASSERT_PTR_NE(kr->rsa->n, NULL);
ASSERT_PTR_NE(kr->rsa->e, NULL);
ASSERT_PTR_NE(kr->rsa->p, NULL);
ASSERT_INT_EQ(BN_num_bits(kr->rsa->n), 768);
TEST_DONE();
TEST_START("generate KEY_DSA");
ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0);
ASSERT_PTR_NE(kd, NULL);
ASSERT_PTR_NE(kd->dsa, NULL);
ASSERT_PTR_NE(kd->dsa->g, NULL);
ASSERT_PTR_NE(kd->dsa->priv_key, NULL);
TEST_DONE();
TEST_START("generate KEY_ECDSA");
ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &ke), 0);
ASSERT_PTR_NE(ke, NULL);
ASSERT_PTR_NE(ke->ecdsa, NULL);
ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL);
ASSERT_PTR_NE(EC_KEY_get0_private_key(ke->ecdsa), NULL);
TEST_DONE();
TEST_START("generate KEY_ED25519");
ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &kf), 0);
ASSERT_PTR_NE(kf, NULL);
ASSERT_INT_EQ(kf->type, KEY_ED25519);
ASSERT_PTR_NE(kf->ed25519_pk, NULL);
ASSERT_PTR_NE(kf->ed25519_sk, NULL);
TEST_DONE();
TEST_START("demote KEY_RSA");
ASSERT_INT_EQ(sshkey_demote(kr, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(kr, k1);
ASSERT_INT_EQ(k1->type, KEY_RSA);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_EQ(k1->rsa->p, NULL);
TEST_DONE();
TEST_START("equal KEY_RSA/demoted KEY_RSA");
ASSERT_INT_EQ(sshkey_equal(kr, k1), 1);
sshkey_free(k1);
TEST_DONE();
TEST_START("demote KEY_DSA");
ASSERT_INT_EQ(sshkey_demote(kd, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(kd, k1);
ASSERT_INT_EQ(k1->type, KEY_DSA);
ASSERT_PTR_NE(k1->dsa, NULL);
ASSERT_PTR_NE(k1->dsa->g, NULL);
ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
TEST_DONE();
TEST_START("equal KEY_DSA/demoted KEY_DSA");
ASSERT_INT_EQ(sshkey_equal(kd, k1), 1);
sshkey_free(k1);
TEST_DONE();
TEST_START("demote KEY_ECDSA");
ASSERT_INT_EQ(sshkey_demote(ke, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(ke, k1);
ASSERT_INT_EQ(k1->type, KEY_ECDSA);
ASSERT_PTR_NE(k1->ecdsa, NULL);
ASSERT_INT_EQ(k1->ecdsa_nid, ke->ecdsa_nid);
ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL);
ASSERT_PTR_EQ(EC_KEY_get0_private_key(k1->ecdsa), NULL);
TEST_DONE();
TEST_START("equal KEY_ECDSA/demoted KEY_ECDSA");
ASSERT_INT_EQ(sshkey_equal(ke, k1), 1);
sshkey_free(k1);
TEST_DONE();
TEST_START("demote KEY_ED25519");
ASSERT_INT_EQ(sshkey_demote(kf, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(kf, k1);
ASSERT_INT_EQ(k1->type, KEY_ED25519);
ASSERT_PTR_NE(k1->ed25519_pk, NULL);
ASSERT_PTR_EQ(k1->ed25519_sk, NULL);
TEST_DONE();
TEST_START("equal KEY_ED25519/demoted KEY_ED25519");
ASSERT_INT_EQ(sshkey_equal(kf, k1), 1);
sshkey_free(k1);
TEST_DONE();
TEST_START("equal mismatched key types");
ASSERT_INT_EQ(sshkey_equal(kd, kr), 0);
ASSERT_INT_EQ(sshkey_equal(kd, ke), 0);
ASSERT_INT_EQ(sshkey_equal(kr, ke), 0);
ASSERT_INT_EQ(sshkey_equal(ke, kf), 0);
ASSERT_INT_EQ(sshkey_equal(kd, kf), 0);
TEST_DONE();
TEST_START("equal different keys");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 768, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(kr, k1), 0);
sshkey_free(k1);
ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(kd, k1), 0);
sshkey_free(k1);
ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(ke, k1), 0);
sshkey_free(k1);
ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(kf, k1), 0);
sshkey_free(k1);
TEST_DONE();
sshkey_free(kr);
sshkey_free(kd);
sshkey_free(ke);
sshkey_free(kf);
/* XXX certify test */
/* XXX sign test */
/* XXX verify test */
TEST_START("nested certificate");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1"), &k1), 0);
ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_1.pub"), &k2,
NULL), 0);
b = load_file("rsa_2");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(b, "", "rsa_1",
&k3, NULL), 0);
sshbuf_reset(b);
build_cert(b, k2, "*****@*****.**", k3, k1);
ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k4),
SSH_ERR_KEY_CERT_INVALID_SIGN_KEY);
ASSERT_PTR_EQ(k4, NULL);
sshbuf_free(b);
sshkey_free(k1);
sshkey_free(k2);
sshkey_free(k3);
TEST_DONE();
}
static int
sshkey_parse_private_rsa1(struct sshbuf *blob, const char *passphrase,
struct sshkey **keyp, char **commentp)
{
int r;
u_int16_t check1, check2;
u_int8_t cipher_type;
struct sshbuf *decrypted = NULL, *copy = NULL;
u_char *cp;
char *comment = NULL;
struct sshcipher_ctx ciphercontext;
const struct sshcipher *cipher;
struct sshkey *prv = NULL;
*keyp = NULL;
if (commentp != NULL)
*commentp = NULL;
/* Check that it is at least big enough to contain the ID string. */
if (sshbuf_len(blob) < sizeof(authfile_id_string))
return SSH_ERR_INVALID_FORMAT;
/*
* Make sure it begins with the id string. Consume the id string
* from the buffer.
*/
if (memcmp(sshbuf_ptr(blob), authfile_id_string,
sizeof(authfile_id_string)) != 0)
return SSH_ERR_INVALID_FORMAT;
if ((prv = sshkey_new_private(KEY_RSA1)) == NULL) {
r = SSH_ERR_ALLOC_FAIL;
goto out;
}
if ((copy = sshbuf_fromb(blob)) == NULL ||
(decrypted = sshbuf_new()) == NULL) {
r = SSH_ERR_ALLOC_FAIL;
goto out;
}
if ((r = sshbuf_consume(copy, sizeof(authfile_id_string))) != 0)
goto out;
/* Read cipher type. */
if ((r = sshbuf_get_u8(copy, &cipher_type)) != 0 ||
(r = sshbuf_get_u32(copy, NULL)) != 0) /* reserved */
goto out;
/* Read the public key and comment from the buffer. */
if ((r = sshbuf_get_u32(copy, NULL)) != 0 || /* key bits */
(r = sshbuf_get_bignum1(copy, prv->rsa->n)) != 0 ||
(r = sshbuf_get_bignum1(copy, prv->rsa->e)) != 0 ||
(r = sshbuf_get_cstring(copy, &comment, NULL)) != 0)
goto out;
/* Check that it is a supported cipher. */
cipher = cipher_by_number(cipher_type);
if (cipher == NULL) {
r = SSH_ERR_KEY_UNKNOWN_CIPHER;
goto out;
}
/* Initialize space for decrypted data. */
if ((r = sshbuf_reserve(decrypted, sshbuf_len(copy), &cp)) != 0)
goto out;
/* Rest of the buffer is encrypted. Decrypt it using the passphrase. */
if ((r = cipher_set_key_string(&ciphercontext, cipher, passphrase,
CIPHER_DECRYPT)) != 0)
goto out;
if ((r = cipher_crypt(&ciphercontext, cp,
sshbuf_ptr(copy), sshbuf_len(copy), 0, 0)) != 0) {
cipher_cleanup(&ciphercontext);
goto out;
}
if ((r = cipher_cleanup(&ciphercontext)) != 0)
goto out;
if ((r = sshbuf_get_u16(decrypted, &check1)) != 0 ||
(r = sshbuf_get_u16(decrypted, &check2)) != 0)
goto out;
if (check1 != check2) {
r = SSH_ERR_KEY_WRONG_PASSPHRASE;
goto out;
}
/* Read the rest of the private key. */
if ((r = sshbuf_get_bignum1(decrypted, prv->rsa->d)) != 0 ||
(r = sshbuf_get_bignum1(decrypted, prv->rsa->iqmp)) != 0 ||
(r = sshbuf_get_bignum1(decrypted, prv->rsa->q)) != 0 ||
(r = sshbuf_get_bignum1(decrypted, prv->rsa->p)) != 0)
goto out;
/* calculate p-1 and q-1 */
if ((r = rsa_generate_additional_parameters(prv->rsa)) != 0)
goto out;
/* enable blinding */
if (RSA_blinding_on(prv->rsa, NULL) != 1) {
r = SSH_ERR_LIBCRYPTO_ERROR;
goto out;
}
r = 0;
*keyp = prv;
prv = NULL;
if (commentp != NULL) {
*commentp = comment;
comment = NULL;
}
out:
bzero(&ciphercontext, sizeof(ciphercontext));
if (comment != NULL)
free(comment);
if (prv != NULL)
sshkey_free(prv);
if (copy != NULL)
sshbuf_free(copy);
if (decrypted != NULL)
sshbuf_free(decrypted);
return r;
}
void
sshkey_tests(void)
{
struct sshkey *k1, *k2, *k3, *k4, *kr, *kd, *kf;
#ifdef OPENSSL_HAS_ECC
struct sshkey *ke;
#endif
struct sshbuf *b;
TEST_START("new invalid");
k1 = sshkey_new(-42);
ASSERT_PTR_EQ(k1, NULL);
TEST_DONE();
TEST_START("new/free KEY_UNSPEC");
k1 = sshkey_new(KEY_UNSPEC);
ASSERT_PTR_NE(k1, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_RSA1");
k1 = sshkey_new(KEY_RSA1);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_EQ(k1->rsa->p, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_RSA");
k1 = sshkey_new(KEY_RSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_EQ(k1->rsa->p, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new/free KEY_DSA");
k1 = sshkey_new(KEY_DSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->dsa, NULL);
ASSERT_PTR_NE(k1->dsa->g, NULL);
ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("new/free KEY_ECDSA");
k1 = sshkey_new(KEY_ECDSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_EQ(k1->ecdsa, NULL); /* Can't allocate without NID */
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("new/free KEY_ED25519");
k1 = sshkey_new(KEY_ED25519);
ASSERT_PTR_NE(k1, NULL);
/* These should be blank until key loaded or generated */
ASSERT_PTR_EQ(k1->ed25519_sk, NULL);
ASSERT_PTR_EQ(k1->ed25519_pk, NULL);
sshkey_free(k1);
TEST_DONE();
TEST_START("new_private KEY_RSA");
k1 = sshkey_new_private(KEY_RSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_NE(k1->rsa->p, NULL);
ASSERT_INT_EQ(sshkey_add_private(k1), 0);
sshkey_free(k1);
TEST_DONE();
TEST_START("new_private KEY_DSA");
k1 = sshkey_new_private(KEY_DSA);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(k1->dsa, NULL);
ASSERT_PTR_NE(k1->dsa->g, NULL);
ASSERT_PTR_NE(k1->dsa->priv_key, NULL);
ASSERT_INT_EQ(sshkey_add_private(k1), 0);
sshkey_free(k1);
TEST_DONE();
TEST_START("generate KEY_RSA too small modulus");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 128, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
TEST_DONE();
TEST_START("generate KEY_RSA too large modulus");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1 << 20, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
TEST_DONE();
TEST_START("generate KEY_DSA wrong bits");
ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 2048, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("generate KEY_ECDSA wrong bits");
ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 42, &k1),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_PTR_EQ(k1, NULL);
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("generate KEY_RSA");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 767, &kr),
SSH_ERR_INVALID_ARGUMENT);
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &kr), 0);
ASSERT_PTR_NE(kr, NULL);
ASSERT_PTR_NE(kr->rsa, NULL);
ASSERT_PTR_NE(kr->rsa->n, NULL);
ASSERT_PTR_NE(kr->rsa->e, NULL);
ASSERT_PTR_NE(kr->rsa->p, NULL);
ASSERT_INT_EQ(BN_num_bits(kr->rsa->n), 1024);
TEST_DONE();
TEST_START("generate KEY_DSA");
ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0);
ASSERT_PTR_NE(kd, NULL);
ASSERT_PTR_NE(kd->dsa, NULL);
ASSERT_PTR_NE(kd->dsa->g, NULL);
ASSERT_PTR_NE(kd->dsa->priv_key, NULL);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("generate KEY_ECDSA");
ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &ke), 0);
ASSERT_PTR_NE(ke, NULL);
ASSERT_PTR_NE(ke->ecdsa, NULL);
ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL);
ASSERT_PTR_NE(EC_KEY_get0_private_key(ke->ecdsa), NULL);
TEST_DONE();
#endif
TEST_START("generate KEY_ED25519");
ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &kf), 0);
ASSERT_PTR_NE(kf, NULL);
ASSERT_INT_EQ(kf->type, KEY_ED25519);
ASSERT_PTR_NE(kf->ed25519_pk, NULL);
ASSERT_PTR_NE(kf->ed25519_sk, NULL);
TEST_DONE();
TEST_START("demote KEY_RSA");
ASSERT_INT_EQ(sshkey_demote(kr, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(kr, k1);
ASSERT_INT_EQ(k1->type, KEY_RSA);
ASSERT_PTR_NE(k1->rsa, NULL);
ASSERT_PTR_NE(k1->rsa->n, NULL);
ASSERT_PTR_NE(k1->rsa->e, NULL);
ASSERT_PTR_EQ(k1->rsa->p, NULL);
TEST_DONE();
TEST_START("equal KEY_RSA/demoted KEY_RSA");
ASSERT_INT_EQ(sshkey_equal(kr, k1), 1);
sshkey_free(k1);
TEST_DONE();
TEST_START("demote KEY_DSA");
ASSERT_INT_EQ(sshkey_demote(kd, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(kd, k1);
ASSERT_INT_EQ(k1->type, KEY_DSA);
ASSERT_PTR_NE(k1->dsa, NULL);
ASSERT_PTR_NE(k1->dsa->g, NULL);
ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
TEST_DONE();
TEST_START("equal KEY_DSA/demoted KEY_DSA");
ASSERT_INT_EQ(sshkey_equal(kd, k1), 1);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("demote KEY_ECDSA");
ASSERT_INT_EQ(sshkey_demote(ke, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(ke, k1);
ASSERT_INT_EQ(k1->type, KEY_ECDSA);
ASSERT_PTR_NE(k1->ecdsa, NULL);
ASSERT_INT_EQ(k1->ecdsa_nid, ke->ecdsa_nid);
ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL);
ASSERT_PTR_EQ(EC_KEY_get0_private_key(k1->ecdsa), NULL);
TEST_DONE();
TEST_START("equal KEY_ECDSA/demoted KEY_ECDSA");
ASSERT_INT_EQ(sshkey_equal(ke, k1), 1);
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("demote KEY_ED25519");
ASSERT_INT_EQ(sshkey_demote(kf, &k1), 0);
ASSERT_PTR_NE(k1, NULL);
ASSERT_PTR_NE(kf, k1);
ASSERT_INT_EQ(k1->type, KEY_ED25519);
ASSERT_PTR_NE(k1->ed25519_pk, NULL);
ASSERT_PTR_EQ(k1->ed25519_sk, NULL);
TEST_DONE();
TEST_START("equal KEY_ED25519/demoted KEY_ED25519");
ASSERT_INT_EQ(sshkey_equal(kf, k1), 1);
sshkey_free(k1);
TEST_DONE();
TEST_START("equal mismatched key types");
ASSERT_INT_EQ(sshkey_equal(kd, kr), 0);
#ifdef OPENSSL_HAS_ECC
ASSERT_INT_EQ(sshkey_equal(kd, ke), 0);
ASSERT_INT_EQ(sshkey_equal(kr, ke), 0);
ASSERT_INT_EQ(sshkey_equal(ke, kf), 0);
#endif
ASSERT_INT_EQ(sshkey_equal(kd, kf), 0);
TEST_DONE();
TEST_START("equal different keys");
ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(kr, k1), 0);
sshkey_free(k1);
ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(kd, k1), 0);
sshkey_free(k1);
#ifdef OPENSSL_HAS_ECC
ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(ke, k1), 0);
sshkey_free(k1);
#endif
ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &k1), 0);
ASSERT_INT_EQ(sshkey_equal(kf, k1), 0);
sshkey_free(k1);
TEST_DONE();
sshkey_free(kr);
sshkey_free(kd);
#ifdef OPENSSL_HAS_ECC
sshkey_free(ke);
#endif
sshkey_free(kf);
TEST_START("certify key");
ASSERT_INT_EQ(sshkey_load_public(test_data_file("ed25519_1.pub"),
&k1, NULL), 0);
k2 = get_private("ed25519_2");
ASSERT_INT_EQ(sshkey_to_certified(k1), 0);
ASSERT_PTR_NE(k1->cert, NULL);
k1->cert->type = SSH2_CERT_TYPE_USER;
k1->cert->serial = 1234;
k1->cert->key_id = strdup("estragon");
ASSERT_PTR_NE(k1->cert->key_id, NULL);
k1->cert->principals = calloc(4, sizeof(*k1->cert->principals));
ASSERT_PTR_NE(k1->cert->principals, NULL);
k1->cert->principals[0] = strdup("estragon");
k1->cert->principals[1] = strdup("vladimir");
k1->cert->principals[2] = strdup("pozzo");
k1->cert->principals[3] = strdup("lucky");
ASSERT_PTR_NE(k1->cert->principals[0], NULL);
ASSERT_PTR_NE(k1->cert->principals[1], NULL);
ASSERT_PTR_NE(k1->cert->principals[2], NULL);
ASSERT_PTR_NE(k1->cert->principals[3], NULL);
k1->cert->valid_after = 0;
k1->cert->valid_before = (u_int64_t)-1;
k1->cert->critical = sshbuf_new();
ASSERT_PTR_NE(k1->cert->critical, NULL);
k1->cert->extensions = sshbuf_new();
ASSERT_PTR_NE(k1->cert->extensions, NULL);
put_opt(k1->cert->critical, "force-command", "/usr/bin/true");
put_opt(k1->cert->critical, "source-address", "127.0.0.1");
put_opt(k1->cert->extensions, "permit-X11-forwarding", NULL);
put_opt(k1->cert->extensions, "permit-agent-forwarding", NULL);
ASSERT_INT_EQ(sshkey_from_private(k2, &k1->cert->signature_key), 0);
ASSERT_INT_EQ(sshkey_certify(k1, k2), 0);
b = sshbuf_new();
ASSERT_PTR_NE(b, NULL);
ASSERT_INT_EQ(sshkey_putb(k1, b), 0);
ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k3), 0);
sshkey_free(k1);
sshkey_free(k2);
sshkey_free(k3);
sshbuf_reset(b);
TEST_DONE();
TEST_START("sign and verify RSA");
k1 = get_private("rsa_1");
ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_2.pub"), &k2,
NULL), 0);
signature_tests(k1, k2);
sshkey_free(k1);
sshkey_free(k2);
TEST_DONE();
TEST_START("sign and verify DSA");
k1 = get_private("dsa_1");
ASSERT_INT_EQ(sshkey_load_public(test_data_file("dsa_2.pub"), &k2,
NULL), 0);
signature_tests(k1, k2);
sshkey_free(k1);
sshkey_free(k2);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
#ifndef WIN32_FIXME
TEST_START("sign and verify ECDSA");
k1 = get_private("ecdsa_1");
ASSERT_INT_EQ(sshkey_load_public(test_data_file("ecdsa_2.pub"), &k2,
NULL), 0);
signature_tests(k1, k2);
sshkey_free(k1);
sshkey_free(k2);
TEST_DONE();
#endif
#endif
TEST_START("sign and verify ED25519");
k1 = get_private("ed25519_1");
ASSERT_INT_EQ(sshkey_load_public(test_data_file("ed25519_2.pub"), &k2,
NULL), 0);
signature_tests(k1, k2);
sshkey_free(k1);
sshkey_free(k2);
TEST_DONE();
TEST_START("nested certificate");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1"), &k1), 0);
ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_1.pub"), &k2,
NULL), 0);
k3 = get_private("rsa_1");
build_cert(b, k2, "*****@*****.**", k3, k1);
ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k4),
SSH_ERR_KEY_CERT_INVALID_SIGN_KEY);
ASSERT_PTR_EQ(k4, NULL);
sshkey_free(k1);
sshkey_free(k2);
sshkey_free(k3);
sshbuf_free(b);
TEST_DONE();
}