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/*
* test-secure.cpp - test secured data functions
*
* Copyright (C) 2018-2019 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* WeeChat 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#include "CppUTest/TestHarness.h"
extern "C"
{
#include <string.h>
#include "src/core/wee-secure.h"
}
#define SECURE_PASSPHRASE "this_is_a_secret_passphrase"
#define SECURE_PASSWORD "this_is_a_secret_password"
#define TOTP_SECRET "secretpasswordbase32"
#define WEE_CHECK_TOTP_GENERATE(__result, __secret, __time, __digits) \
totp = secure_totp_generate (__secret, __time, __digits); \
if (__result == NULL) \
{ \
POINTERS_EQUAL(NULL, totp); \
} \
else \
{ \
STRCMP_EQUAL(__result, totp); \
free (totp); \
}
#define WEE_CHECK_TOTP_VALIDATE(__result, __secret, __time, __window, \
__otp) \
LONGS_EQUAL(__result, secure_totp_validate (__secret, __time, \
__window, __otp));
TEST_GROUP(CoreSecure)
{
};
/*
* Tests functions:
* secure_encrypt_data
* secure_decrypt_data
*/
TEST(CoreSecure, EncryptDecryptData)
{
const char *password = SECURE_PASSWORD;
int hash_algo, cipher, rc;
int length_password, length_encrypted_data, length_decrypted_data;
char *encrypted_data, *decrypted_data;
/* compute length of password, including the final \0 */
length_password = strlen (password) + 1;
for (hash_algo = 0; secure_hash_algo_string[hash_algo]; hash_algo++)
{
for (cipher = 0; secure_cipher_string[cipher]; cipher++)
{
/* initialize data */
encrypted_data = NULL;
decrypted_data = NULL;
length_encrypted_data = 0;
length_decrypted_data = 0;
/*
* encrypt the password with a hash algo, cipher and arbitrary
* passphrase
*/
rc = secure_encrypt_data (password,
length_password,
secure_hash_algo[hash_algo],
secure_cipher[cipher],
SECURE_PASSPHRASE,
&encrypted_data,
&length_encrypted_data);
LONGS_EQUAL(0, rc);
/* decrypt the encrypted password */
rc = secure_decrypt_data (encrypted_data,
length_encrypted_data,
secure_hash_algo[hash_algo],
secure_cipher[cipher],
SECURE_PASSPHRASE,
&decrypted_data,
&length_decrypted_data);
LONGS_EQUAL(0, rc);
/* check decrypted data */
LONGS_EQUAL(length_password, length_decrypted_data);
STRCMP_EQUAL(password, decrypted_data);
/* free encrypted/decrypted data */
free (encrypted_data);
free (decrypted_data);
}
}
}
/*
* Tests functions:
* secure_totp_generate
*/
TEST(CoreSecure, TotpGenerate)
{
char *totp;
/* invalid secret */
WEE_CHECK_TOTP_GENERATE(NULL, NULL, 0, 6);
WEE_CHECK_TOTP_GENERATE(NULL, "", 0, 6);
WEE_CHECK_TOTP_GENERATE(NULL, "not_in_base32_0189", 0, 6);
/* invalid number of digits (must be between 4 and 10) */
WEE_CHECK_TOTP_GENERATE(NULL, TOTP_SECRET, 0, 3);
WEE_CHECK_TOTP_GENERATE(NULL, TOTP_SECRET, 0, 11);
/* TOTP with 6 digits */
WEE_CHECK_TOTP_GENERATE("065486", TOTP_SECRET, 1540624066, 6);
WEE_CHECK_TOTP_GENERATE("640073", TOTP_SECRET, 1540624085, 6);
WEE_CHECK_TOTP_GENERATE("725645", TOTP_SECRET, 1540624110, 6);
/* TOTP with 7 digits */
WEE_CHECK_TOTP_GENERATE("0065486", TOTP_SECRET, 1540624066, 7);
WEE_CHECK_TOTP_GENERATE("6640073", TOTP_SECRET, 1540624085, 7);
WEE_CHECK_TOTP_GENERATE("4725645", TOTP_SECRET, 1540624110, 7);
/* TOTP with 8 digits */
WEE_CHECK_TOTP_GENERATE("40065486", TOTP_SECRET, 1540624066, 8);
WEE_CHECK_TOTP_GENERATE("16640073", TOTP_SECRET, 1540624085, 8);
WEE_CHECK_TOTP_GENERATE("94725645", TOTP_SECRET, 1540624110, 8);
}
/*
* Tests functions:
* secure_totp_validate
*/
TEST(CoreSecure, TotpValidate)
{
/* invalid secret */
WEE_CHECK_TOTP_VALIDATE(0, NULL, 0, 0, "123456");
WEE_CHECK_TOTP_VALIDATE(0, "", 0, 0, "123456");
WEE_CHECK_TOTP_VALIDATE(0, "not_in_base32_0189", 0, 0, "123456");
/* invalid window (must be ≥ 0) */
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 0, -1, "123456");
/* invalid OTP */
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 0, 0, NULL);
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 0, 0, "");
/* validation error (wrong OTP) */
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 0, "065486");
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 1, "065486");
/* TOTP with 6 digits */
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624066, 0, "065486");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624085, 0, "640073");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624110, 0, "725645");
/* TOTP with 7 digits */
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624066, 0, "0065486");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624085, 0, "6640073");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624110, 0, "4725645");
/* TOTP with 7 digits */
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624066, 0, "40065486");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624085, 0, "16640073");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624110, 0, "94725645");
/* TOTP with 6 digits, using window */
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 0, "065486");
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 1, "065486");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624110, 2, "065486");
/* TOTP with 7 digits, using window */
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 0, "0065486");
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 1, "0065486");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624110, 2, "0065486");
/* TOTP with 8 digits, using window */
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 0, "40065486");
WEE_CHECK_TOTP_VALIDATE(0, TOTP_SECRET, 1540624110, 1, "40065486");
WEE_CHECK_TOTP_VALIDATE(1, TOTP_SECRET, 1540624110, 2, "40065486");
}
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