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/*
* This file is part of the SSH Library
*
* Copyright (c) 2018 by Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
*
* The SSH Library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The SSH Library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "config.h"
#define LIBSSH_STATIC
#include "torture.h"
#include "libssh/crypto.h"
#include <pthread.h>
#define NUM_THREADS 100
static int8_t key[32] =
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e"
"\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d"
"\x1e\x1f";
static uint8_t IV[16] =
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e"
"\x1f";
static uint8_t cleartext[144] =
"\xb4\xfc\x5d\xc2\x49\x8d\x2c\x29\x4a\xc9\x9a\xb0\x1b\xf8\x29"
"\xee\x85\x6d\x8c\x04\x34\x7c\x65\xf4\x89\x97\xc5\x71\x70\x41"
"\x91\x40\x19\x60\xe1\xf1\x8f\x4d\x8c\x17\x51\xd6\xbc\x69\x6e"
"\xf2\x21\x87\x18\x6c\xef\xc4\xf4\xd9\xe6\x1b\x94\xf7\xd8\xb2"
"\xe9\x24\xb9\xe7\xe6\x19\xf5\xec\x55\x80\x9a\xc8\x7d\x70\xa3"
"\x50\xf8\x03\x10\x35\x49\x9b\x53\x58\xd7\x4c\xfc\x5f\x02\xd6"
"\x28\xea\xcc\x43\xee\x5e\x2b\x8a\x7a\x66\xf7\x00\xee\x09\x18"
"\x30\x1b\x47\xa2\x16\x69\xc4\x6e\x44\x3f\xbd\xec\x52\xce\xe5"
"\x41\xf2\xe0\x04\x4f\x5a\x55\x58\x37\xba\x45\x8d\x15\x53\xf6"
"\x31\x91\x13\x8c\x51\xed\x08\x07\xdb";
static uint8_t aes256_cbc_encrypted[144] =
"\x7f\x1b\x92\xac\xc5\x16\x05\x55\x74\xac\xb4\xe0\x91\x8c\xf8"
"\x0d\xa9\x72\xa5\x09\xb8\x44\xee\x55\x02\x13\xb7\x52\x0a\xf0"
"\xac\xd0\x21\x0e\x58\x7b\x34\xfe\xdb\x36\x01\x60\x7d\x18\x3a"
"\xa9\x15\x18\x5b\x13\xca\xdd\x77\x7d\xdf\x64\xc6\xd5\x75\x4b"
"\x02\x02\x37\xb1\xf4\x33\xff\x93\xe6\x32\x08\xda\xcb\x5d\xa2"
"\x8f\x17\x1f\x99\x92\x60\x22\x9d\x6b\xe6\xb2\x5e\xb0\x5d\x26"
"\x3f\xde\xb8\xc1\xb0\x70\x80\x1c\x00\xd0\x93\x2b\xeb\x0f\xd7"
"\x70\x7a\x9a\x7a\xa6\x21\x23\x2c\x02\xb7\xcd\x88\x10\x9c\x2d"
"\x0c\xd3\xfa\xc1\x33\x5b\xe1\xa1\xd4\x3d\x8f\xb8\x50\xc5\xb5"
"\x72\xdd\x6d\x32\x1f\x58\x00\x48\xbe";
static int run_on_threads(void *(*func)(void *))
{
pthread_t threads[NUM_THREADS];
int rc;
int i;
for (i = 0; i < NUM_THREADS; ++i) {
rc = pthread_create(&threads[i], NULL, func, NULL);
assert_int_equal(rc, 0);
}
for (i = 0; i < NUM_THREADS; ++i) {
void *p = NULL;
uint64_t *result;
rc = pthread_join(threads[i], &p);
assert_int_equal(rc, 0);
result = (uint64_t *)p;
assert_null(result);
}
return rc;
}
static int get_cipher(struct ssh_cipher_struct *cipher, const char *ciphername)
{
struct ssh_cipher_struct *ciphers = ssh_get_ciphertab();
int i, cmp;
for (i = 0; ciphers[i].name != NULL; i++) {
cmp = strcmp(ciphername, ciphers[i].name);
if (cmp == 0) {
memcpy(cipher, &ciphers[i], sizeof(*cipher));
return SSH_OK;
}
}
return SSH_ERROR;
}
static void *thread_crypto_aes256_cbc(void *threadid)
{
uint8_t output[sizeof(cleartext)] = {0};
uint8_t iv[16] = {0};
struct ssh_cipher_struct cipher = {
.name = NULL,
};
int rc;
/* Unused */
(void) threadid;
rc = get_cipher(&cipher, "aes256-cbc");
assert_int_equal(rc, SSH_OK);
assert_non_null(cipher.set_encrypt_key);
assert_non_null(cipher.encrypt);
/* This is for dump static analizyer without modelling support */
if (cipher.set_encrypt_key == NULL ||
cipher.encrypt == NULL) {
return NULL;
}
memcpy(iv, IV, sizeof(IV));
cipher.set_encrypt_key(&cipher,
key,
iv
);
cipher.encrypt(&cipher,
cleartext,
output,
sizeof(cleartext)
);
assert_memory_equal(output,
aes256_cbc_encrypted,
sizeof(aes256_cbc_encrypted));
ssh_cipher_clear(&cipher);
rc = get_cipher(&cipher, "aes256-cbc");
assert_int_equal(rc, SSH_OK);
assert_non_null(cipher.set_encrypt_key);
assert_non_null(cipher.encrypt);
/* This is for dump static analizyer without modelling support */
if (cipher.set_encrypt_key == NULL ||
cipher.encrypt == NULL) {
return NULL;
}
memcpy(iv, IV, sizeof(IV));
cipher.set_decrypt_key(&cipher,
key,
iv
);
memset(output, '\0', sizeof(output));
cipher.decrypt(&cipher,
aes256_cbc_encrypted,
output,
sizeof(aes256_cbc_encrypted)
);
assert_memory_equal(output, cleartext, sizeof(cleartext));
ssh_cipher_clear(&cipher);
pthread_exit(NULL);
}
static void torture_crypto_aes256_cbc(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_crypto_aes256_cbc);
assert_int_equal(rc, 0);
}
int torture_run_tests(void)
{
int rc;
const struct CMUnitTest tests[] = {
cmocka_unit_test(torture_crypto_aes256_cbc),
};
/*
* If the library is statically linked, ssh_init() is not called
* automatically
*/
ssh_init();
rc = cmocka_run_group_tests(tests, NULL, NULL);
ssh_finalize();
return rc;
}
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