#include "config.h"
#define LIBSSH_STATIC
#include <sys/stat.h>
#include <fcntl.h>
#include "torture.h"
#include "torture_key.h"
#include "torture_pki.h"
#include "pki.c"
#define LIBSSH_ECDSA_TESTKEY "libssh_testkey.id_ecdsa"
#define LIBSSH_ECDSA_TESTKEY_PASSPHRASE "libssh_testkey_passphrase.id_ecdsa"
const char template[] = "temp_dir_XXXXXX";
const unsigned char INPUT[] = "12345678901234567890";
struct pki_st {
char *cwd;
char *temp_dir;
enum ssh_keytypes_e type;
};
static int setup_ecdsa_key(void **state, int ecdsa_bits)
{
struct pki_st *test_state = NULL;
char *cwd = NULL;
char *tmp_dir = NULL;
int rc = 0;
test_state = (struct pki_st *)malloc(sizeof(struct pki_st));
assert_non_null(test_state);
cwd = torture_get_current_working_dir();
assert_non_null(cwd);
tmp_dir = torture_make_temp_dir(template);
assert_non_null(tmp_dir);
test_state->cwd = cwd;
test_state->temp_dir = tmp_dir;
*state = test_state;
rc = torture_change_dir(tmp_dir);
assert_int_equal(rc, 0);
printf("Changed directory to: %s\n", tmp_dir);
switch (ecdsa_bits) {
case 521:
test_state->type = SSH_KEYTYPE_ECDSA_P521;
break;
case 384:
test_state->type = SSH_KEYTYPE_ECDSA_P384;
break;
default:
test_state->type = SSH_KEYTYPE_ECDSA_P256;
break;
}
torture_write_file(LIBSSH_ECDSA_TESTKEY,
torture_get_testkey(test_state->type, 0));
torture_write_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
torture_get_testkey(test_state->type, 1));
torture_write_file(LIBSSH_ECDSA_TESTKEY ".pub",
torture_get_testkey_pub(test_state->type));
torture_write_file(LIBSSH_ECDSA_TESTKEY "-cert.pub",
torture_get_testkey_pub(test_state->type+3));
return 0;
}
static int setup_openssh_ecdsa_key(void **state, int ecdsa_bits)
{
struct pki_st *test_state = NULL;
char *cwd = NULL;
char *tmp_dir = NULL;
const char *keystring = NULL;
int rc = 0;
test_state = (struct pki_st *)malloc(sizeof(struct pki_st));
assert_non_null(test_state);
cwd = torture_get_current_working_dir();
assert_non_null(cwd);
tmp_dir = torture_make_temp_dir(template);
assert_non_null(tmp_dir);
test_state->cwd = cwd;
test_state->temp_dir = tmp_dir;
*state = test_state;
rc = torture_change_dir(tmp_dir);
assert_int_equal(rc, 0);
printf("Changed directory to: %s\n", tmp_dir);
switch (ecdsa_bits) {
case 521:
test_state->type = SSH_KEYTYPE_ECDSA_P521;
break;
case 384:
test_state->type = SSH_KEYTYPE_ECDSA_P384;
break;
default:
test_state->type = SSH_KEYTYPE_ECDSA_P256;
break;
}
keystring = torture_get_openssh_testkey(test_state->type, 0);
torture_write_file(LIBSSH_ECDSA_TESTKEY, keystring);
keystring = torture_get_openssh_testkey(test_state->type, 1);
torture_write_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE, keystring);
torture_write_file(LIBSSH_ECDSA_TESTKEY ".pub",
torture_get_testkey_pub(test_state->type));
torture_write_file(LIBSSH_ECDSA_TESTKEY "-cert.pub",
torture_get_testkey_pub(test_state->type+3));
return 0;
}
static int setup_ecdsa_key_521(void **state)
{
setup_ecdsa_key(state, 521);
return 0;
}
static int setup_ecdsa_key_384(void **state)
{
setup_ecdsa_key(state, 384);
return 0;
}
static int setup_ecdsa_key_256(void **state)
{
setup_ecdsa_key(state, 256);
return 0;
}
static int setup_openssh_ecdsa_key_521(void **state)
{
setup_openssh_ecdsa_key(state, 521);
return 0;
}
static int setup_openssh_ecdsa_key_384(void **state)
{
setup_openssh_ecdsa_key(state, 384);
return 0;
}
static int setup_openssh_ecdsa_key_256(void **state)
{
setup_openssh_ecdsa_key(state, 256);
return 0;
}
static int teardown(void **state) {
struct pki_st *test_state = NULL;
int rc = 0;
test_state = *((struct pki_st **)state);
assert_non_null(test_state);
assert_non_null(test_state->cwd);
assert_non_null(test_state->temp_dir);
rc = torture_change_dir(test_state->cwd);
assert_int_equal(rc, 0);
rc = torture_rmdirs(test_state->temp_dir);
assert_int_equal(rc, 0);
SAFE_FREE(test_state->temp_dir);
SAFE_FREE(test_state->cwd);
SAFE_FREE(test_state);
return 0;
}
static void torture_pki_ecdsa_import_pubkey_file(void **state)
{
ssh_key pubkey = NULL;
int rc;
(void)state;
/* The key doesn't have the hostname as comment after the key */
rc = ssh_pki_import_pubkey_file(LIBSSH_ECDSA_TESTKEY ".pub", &pubkey);
assert_return_code(rc, errno);
assert_non_null(pubkey);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_ecdsa_import_pubkey_from_openssh_privkey(void **state)
{
ssh_key pubkey = NULL;
int rc;
(void)state;
/* The key doesn't have the hostname as comment after the key */
rc = ssh_pki_import_pubkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE, &pubkey);
assert_return_code(rc, errno);
assert_non_null(pubkey);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_ecdsa_import_privkey_base64(void **state)
{
int rc;
char *key_str = NULL;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) state; /* unused */
key_str = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY);
assert_non_null(key_str);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
free(key_str);
SSH_KEY_FREE(key);
}
static void torture_pki_ecdsa_import_privkey_base64_comment(void **state)
{
int rc, file_str_len;
const char *comment_str = "#this is line-comment\n#this is another\n";
char *key_str = NULL, *file_str = NULL;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) state; /* unused */
key_str = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY);
assert_non_null(key_str);
file_str_len = strlen(comment_str) + strlen(key_str) + 1;
file_str = malloc(file_str_len);
assert_non_null(file_str);
rc = snprintf(file_str, file_str_len, "%s%s", comment_str, key_str);
assert_int_equal(rc, file_str_len - 1);
rc = ssh_pki_import_privkey_base64(file_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
free(key_str);
free(file_str);
SSH_KEY_FREE(key);
}
static void torture_pki_ecdsa_import_privkey_base64_whitespace(void **state)
{
int rc, file_str_len;
const char *whitespace_str = " \n\t\t\t\t\t\n\n\n\n\n";
char *key_str = NULL, *file_str = NULL;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) state; /* unused */
key_str = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY);
assert_non_null(key_str);
file_str_len = strlen(whitespace_str) + strlen(key_str) + 1;
file_str = malloc(file_str_len);
assert_non_null(file_str);
rc = snprintf(file_str, file_str_len, "%s%s", whitespace_str, key_str);
assert_int_equal(rc, file_str_len - 1);
rc = ssh_pki_import_privkey_base64(file_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
free(key_str);
free(file_str);
SSH_KEY_FREE(key);
}
static void torture_pki_ecdsa_publickey_from_privatekey(void **state)
{
int rc;
char *key_str = NULL;
ssh_key key = NULL;
ssh_key pubkey = NULL;
const char *passphrase = NULL;
(void) state; /* unused */
key_str = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY);
assert_non_null(key_str);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_true(rc == SSH_OK);
assert_non_null(pubkey);
free(key_str);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_ecdsa_import_cert_file(void **state)
{
int rc;
ssh_key cert = NULL;
enum ssh_keytypes_e type;
struct pki_st *test_state = *((struct pki_st **)state);
rc = ssh_pki_import_cert_file(LIBSSH_ECDSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == 0);
assert_non_null(cert);
type = ssh_key_type(cert);
assert_true(type == test_state->type+3);
rc = ssh_key_is_public(cert);
assert_true(rc == 1);
SSH_KEY_FREE(cert);
}
static void torture_pki_ecdsa_publickey_base64(void **state)
{
enum ssh_keytypes_e type;
char *b64_key = NULL, *key_buf = NULL, *p = NULL;
const char *q = NULL;
ssh_key key = NULL;
int rc;
struct pki_st *test_state = *((struct pki_st **)state);
key_buf = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY ".pub");
assert_non_null(key_buf);
q = p = key_buf;
while (p != NULL && *p != '\0' && *p != ' ') p++;
if (p != NULL) {
*p = '\0';
}
type = ssh_key_type_from_name(q);
assert_true(type == test_state->type);
q = ++p;
while (p != NULL && *p != '\0' && *p != ' ') p++;
if (p != NULL) {
*p = '\0';
}
rc = ssh_pki_import_pubkey_base64(q, type, &key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_pki_export_pubkey_base64(key, &b64_key);
assert_true(rc == 0);
assert_non_null(b64_key);
assert_string_equal(q, b64_key);
free(b64_key);
free(key_buf);
SSH_KEY_FREE(key);
}
static void torture_pki_ecdsa_generate_pubkey_from_privkey(void **state)
{
char pubkey_original[4096] = {0};
char pubkey_generated[4096] = {0};
ssh_key privkey = NULL;
ssh_key pubkey = NULL;
int rc;
int len;
(void) state; /* unused */
rc = torture_read_one_line(LIBSSH_ECDSA_TESTKEY ".pub",
pubkey_original,
sizeof(pubkey_original));
assert_true(rc == 0);
/* remove the public key, generate it from the private key and write it. */
unlink(LIBSSH_ECDSA_TESTKEY ".pub");
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey);
assert_true(rc == SSH_OK);
assert_non_null(pubkey);
rc = ssh_pki_export_pubkey_file(pubkey, LIBSSH_ECDSA_TESTKEY ".pub");
assert_true(rc == 0);
rc = torture_read_one_line(LIBSSH_ECDSA_TESTKEY ".pub",
pubkey_generated,
sizeof(pubkey_generated));
assert_true(rc == 0);
len = torture_pubkey_len(pubkey_original);
assert_int_equal(strncmp(pubkey_original, pubkey_generated, len), 0);
SSH_KEY_FREE(privkey);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_ecdsa_duplicate_key(void **state)
{
int rc;
char *b64_key = NULL;
char *b64_key_gen = NULL;
ssh_key pubkey = NULL;
ssh_key pubkey_dup = NULL;
ssh_key privkey = NULL;
ssh_key privkey_dup = NULL;
(void) state;
rc = ssh_pki_import_pubkey_file(LIBSSH_ECDSA_TESTKEY ".pub", &pubkey);
assert_true(rc == 0);
assert_non_null(pubkey);
rc = ssh_pki_export_pubkey_base64(pubkey, &b64_key);
assert_true(rc == 0);
assert_non_null(b64_key);
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
privkey_dup = ssh_key_dup(privkey);
assert_non_null(privkey_dup);
rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey_dup);
assert_true(rc == SSH_OK);
assert_non_null(pubkey_dup);
rc = ssh_pki_export_pubkey_base64(pubkey_dup, &b64_key_gen);
assert_true(rc == 0);
assert_non_null(b64_key_gen);
assert_string_equal(b64_key, b64_key_gen);
rc = ssh_key_cmp(privkey, privkey_dup, SSH_KEY_CMP_PRIVATE);
assert_true(rc == 0);
rc = ssh_key_cmp(pubkey, pubkey_dup, SSH_KEY_CMP_PUBLIC);
assert_true(rc == 0);
SSH_KEY_FREE(pubkey);
SSH_KEY_FREE(pubkey_dup);
SSH_KEY_FREE(privkey);
SSH_KEY_FREE(privkey_dup);
SSH_STRING_FREE_CHAR(b64_key);
SSH_STRING_FREE_CHAR(b64_key_gen);
}
/* Test case for bug #147: Private ECDSA key duplication did not carry
* over parts of the key that then caused subsequent key demotion to
* fail.
*/
static void torture_pki_ecdsa_duplicate_then_demote(void **state)
{
ssh_key pubkey = NULL;
ssh_key privkey = NULL;
ssh_key privkey_dup = NULL;
int rc;
(void) state;
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_int_equal(rc, 0);
assert_non_null(privkey);
privkey_dup = ssh_key_dup(privkey);
assert_non_null(privkey_dup);
assert_int_equal(privkey->ecdsa_nid, privkey_dup->ecdsa_nid);
rc = ssh_pki_export_privkey_to_pubkey(privkey_dup, &pubkey);
assert_int_equal(rc, 0);
assert_non_null(pubkey);
assert_int_equal(pubkey->ecdsa_nid, privkey->ecdsa_nid);
SSH_KEY_FREE(pubkey);
SSH_KEY_FREE(privkey);
SSH_KEY_FREE(privkey_dup);
}
static void torture_pki_generate_key_ecdsa(void **state)
{
int rc;
ssh_key key = NULL, pubkey = NULL;
ssh_signature sign = NULL;
enum ssh_keytypes_e type = SSH_KEYTYPE_UNKNOWN;
const char *type_char = NULL;
const char *etype_char = NULL;
ssh_session session=ssh_new();
(void) state;
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA_P256, 0, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_ECDSA_P256);
type_char = ssh_key_type_to_char(type);
assert_true(strcmp(type_char, "ecdsa-sha2-nistp256") == 0);
etype_char = ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, "ecdsa-sha2-nistp256") == 0);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
/* deprecated */
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 256, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_ECDSA_P256);
type_char = ssh_key_type_to_char(type);
assert_true(strcmp(type_char, "ecdsa-sha2-nistp256") == 0);
etype_char = ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, "ecdsa-sha2-nistp256") == 0);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA_P384, 0, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA384);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_ECDSA_P384);
type_char = ssh_key_type_to_char(type);
assert_true(strcmp(type_char, "ecdsa-sha2-nistp384") == 0);
etype_char =ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, "ecdsa-sha2-nistp384") == 0);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
/* deprecated */
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 384, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA384);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_ECDSA_P384);
type_char = ssh_key_type_to_char(type);
assert_true(strcmp(type_char, "ecdsa-sha2-nistp384") == 0);
etype_char =ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, "ecdsa-sha2-nistp384") == 0);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA_P521, 0, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA512);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_ECDSA_P521);
type_char = ssh_key_type_to_char(type);
assert_true(strcmp(type_char, "ecdsa-sha2-nistp521") == 0);
etype_char =ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, "ecdsa-sha2-nistp521") == 0);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
/* deprecated */
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 521, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA512);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_ECDSA_P521);
type_char = ssh_key_type_to_char(type);
assert_true(strcmp(type_char, "ecdsa-sha2-nistp521") == 0);
etype_char =ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, "ecdsa-sha2-nistp521") == 0);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
ssh_free(session);
}
static void torture_pki_ecdsa_cert_verify(void **state)
{
int rc;
ssh_key privkey = NULL, cert = NULL;
ssh_signature sign = NULL;
ssh_session session=ssh_new();
enum ssh_digest_e hash_type;
(void) state;
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_pki_import_cert_file(LIBSSH_ECDSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == 0);
assert_non_null(cert);
/* Get the hash type to be used in the signature based on the key type */
hash_type = ssh_key_type_to_hash(session, privkey->type);
sign = pki_do_sign(privkey, INPUT, sizeof(INPUT), hash_type);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, cert, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
ssh_signature_free(sign);
SSH_KEY_FREE(privkey);
SSH_KEY_FREE(cert);
ssh_free(session);
}
static int test_sign_verify_data(ssh_key key,
enum ssh_digest_e hash_type,
const unsigned char *input,
size_t input_len)
{
ssh_signature sig;
ssh_key pubkey = NULL;
int rc;
/* Get the public key to verify signature */
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
/* Sign the buffer */
sig = pki_sign_data(key, hash_type, input, input_len);
assert_non_null(sig);
/* Verify signature */
rc = pki_verify_data_signature(sig, pubkey, input, input_len);
assert_int_equal(rc, SSH_OK);
ssh_signature_free(sig);
SSH_KEY_FREE(pubkey);
return rc;
}
static void torture_pki_sign_data_ecdsa(void **state)
{
int rc;
ssh_key key = NULL;
(void) state;
/* Setup */
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 256, &key);
assert_int_equal(rc, SSH_OK);
assert_non_null(key);
/* Test using SHA256 */
rc = test_sign_verify_data(key, SSH_DIGEST_SHA256, INPUT, sizeof(INPUT));
assert_int_equal(rc, SSH_OK);
/* Cleanup */
SSH_KEY_FREE(key);
}
static void torture_pki_fail_sign_with_incompatible_hash(void **state)
{
int rc;
ssh_key key = NULL;
ssh_key pubkey = NULL;
ssh_signature sig, bad_sig;
(void) state;
/* Setup */
rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA_P256, 256, &key);
assert_int_equal(rc, SSH_OK);
assert_non_null(key);
/* Get the public key to verify signature */
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
/* Sign the buffer */
sig = pki_sign_data(key, SSH_DIGEST_SHA256, INPUT, sizeof(INPUT));
assert_non_null(sig);
/* Verify signature */
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_equal(rc, SSH_OK);
/* Test if signature fails with SSH_DIGEST_AUTO */
bad_sig = pki_sign_data(key, SSH_DIGEST_AUTO, INPUT, sizeof(INPUT));
assert_null(bad_sig);
/* Test if verification fails with SSH_DIGEST_AUTO */
sig->hash_type = SSH_DIGEST_AUTO;
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_not_equal(rc, SSH_OK);
/* Test if signature fails with SSH_DIGEST_SHA1 */
bad_sig = pki_sign_data(key, SSH_DIGEST_SHA1, INPUT, sizeof(INPUT));
assert_null(bad_sig);
/* Test if verification fails with SSH_DIGEST_SHA1 */
sig->hash_type = SSH_DIGEST_SHA1;
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_not_equal(rc, SSH_OK);
/* Test if signature fails with SSH_DIGEST_SHA384 */
bad_sig = pki_sign_data(key, SSH_DIGEST_SHA384, INPUT, sizeof(INPUT));
assert_null(bad_sig);
/* Test if verification fails with SSH_DIGEST_SHA384 */
sig->hash_type = SSH_DIGEST_SHA384;
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_not_equal(rc, SSH_OK);
/* Test if signature fails with SSH_DIGEST_SHA512 */
bad_sig = pki_sign_data(key, SSH_DIGEST_SHA512, INPUT, sizeof(INPUT));
assert_null(bad_sig);
/* Test if verification fails with SSH_DIGEST_SHA512 */
sig->hash_type = SSH_DIGEST_SHA512;
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_not_equal(rc, SSH_OK);
/* Cleanup */
ssh_signature_free(sig);
SSH_KEY_FREE(pubkey);
SSH_KEY_FREE(key);
}
#ifdef HAVE_LIBCRYPTO
static void torture_pki_ecdsa_write_privkey(void **state)
{
ssh_key origkey = NULL;
ssh_key privkey = NULL;
int rc;
(void) state; /* unused */
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
NULL,
NULL,
NULL,
&origkey);
assert_true(rc == 0);
assert_non_null(origkey);
unlink(LIBSSH_ECDSA_TESTKEY);
rc = ssh_pki_export_privkey_file(origkey,
NULL,
NULL,
NULL,
LIBSSH_ECDSA_TESTKEY);
assert_true(rc == 0);
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_key_cmp(origkey, privkey, SSH_KEY_CMP_PRIVATE);
assert_true(rc == 0);
SSH_KEY_FREE(origkey);
SSH_KEY_FREE(privkey);
/* Test with passphrase */
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
torture_get_testkey_passphrase(),
NULL,
NULL,
&origkey);
assert_true(rc == 0);
assert_non_null(origkey);
unlink(LIBSSH_ECDSA_TESTKEY_PASSPHRASE);
rc = ssh_pki_export_privkey_file(origkey,
torture_get_testkey_passphrase(),
NULL,
NULL,
LIBSSH_ECDSA_TESTKEY_PASSPHRASE);
assert_true(rc == 0);
/* Test with invalid passphrase */
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
"invalid secret",
NULL,
NULL,
&privkey);
assert_true(rc == SSH_ERROR);
assert_null(privkey);
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
torture_get_testkey_passphrase(),
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_key_cmp(origkey, privkey, SSH_KEY_CMP_PRIVATE);
assert_true(rc == 0);
SSH_KEY_FREE(origkey);
SSH_KEY_FREE(privkey);
}
#endif /* HAVE_LIBCRYPTO */
static void torture_pki_ecdsa_name(void **state, const char *expected_name)
{
int rc;
ssh_key key = NULL;
const char *etype_char = NULL;
(void) state; /* unused */
rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY, NULL, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
etype_char =ssh_pki_key_ecdsa_name(key);
assert_true(strcmp(etype_char, expected_name) == 0);
SSH_KEY_FREE(key);
}
static void torture_pki_ecdsa_name256(void **state)
{
torture_pki_ecdsa_name(state, "ecdsa-sha2-nistp256");
}
static void torture_pki_ecdsa_name384(void **state)
{
torture_pki_ecdsa_name(state, "ecdsa-sha2-nistp384");
}
static void torture_pki_ecdsa_name521(void **state)
{
torture_pki_ecdsa_name(state, "ecdsa-sha2-nistp521");
}
int torture_run_tests(void) {
int rc;
struct CMUnitTest tests[] = {
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_pubkey_file,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_pubkey_file,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_pubkey_file,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_pubkey_from_openssh_privkey,
setup_openssh_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_pubkey_from_openssh_privkey,
setup_openssh_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_pubkey_file,
setup_openssh_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64_comment,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64_comment,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64_comment,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64_whitespace,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64_whitespace,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64_whitespace,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
setup_openssh_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
setup_openssh_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
setup_openssh_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_from_privatekey,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_from_privatekey,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_from_privatekey,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_cert_file,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_cert_file,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_cert_file,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_then_demote,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_then_demote,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_then_demote,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_base64,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_base64,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_base64,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_generate_pubkey_from_privkey,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_generate_pubkey_from_privkey,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_generate_pubkey_from_privkey,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_key,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_key,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_key,
setup_ecdsa_key_521,
teardown),
cmocka_unit_test(torture_pki_generate_key_ecdsa),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_cert_verify,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_cert_verify,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_cert_verify,
setup_ecdsa_key_521,
teardown),
#ifdef HAVE_LIBCRYPTO
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_write_privkey,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_write_privkey,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_write_privkey,
setup_ecdsa_key_521,
teardown),
#endif /* HAVE_LIBCRYPTO */
cmocka_unit_test(torture_pki_sign_data_ecdsa),
cmocka_unit_test(torture_pki_fail_sign_with_incompatible_hash),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_name256,
setup_ecdsa_key_256,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_name384,
setup_ecdsa_key_384,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_name521,
setup_ecdsa_key_521,
teardown),
};
ssh_init();
torture_filter_tests(tests);
rc = cmocka_run_group_tests(tests, NULL, NULL);
ssh_finalize();
return rc;
}