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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* test-padding.c: Test padding functionality
Copyright (C) 2007 Stefan Walter
The Gnome Keyring Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Keyring 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
see <http://www.gnu.org/licenses/>.
Author: Stef Walter <stef@memberwebs.com>
*/
#include "config.h"
#include "egg/egg-padding.h"
#include "egg/egg-testing.h"
#include <gcrypt.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static void
check_padding (EggPadding padding, gsize block, gconstpointer input,
gsize n_input, gconstpointer output, gsize n_output)
{
gpointer result;
gsize n_result;
if (!(padding) (NULL, block, input, n_input, &result, &n_result)) {
g_assert (output == NULL);
return;
}
g_assert (result != NULL);
egg_assert_cmpsize (n_output, ==, n_result);
g_assert (memcmp (output, result, n_output) == 0);
g_free (result);
/* Now make sure it can tell us the right length */
if (!(padding) (NULL, block, input, n_input, NULL, &n_result))
g_assert_not_reached ();
egg_assert_cmpsize (n_output, ==, n_result);
}
static void
test_zero_padding (void)
{
guchar padded[] = { 0x00, 0x00, 0x00, 0x00, 'T', 'E', 'S', 'T' };
gchar raw[] = "TEST";
check_padding (egg_padding_zero_pad, 8, raw, 4, padded, 8);
}
static void
test_zero_padding_no_data (void)
{
guchar padded[] = { };
gchar raw[] = "";
check_padding (egg_padding_zero_pad, 8, raw, 0, padded, 0);
}
static void
test_pkcs1_one_padding (void)
{
guchar padded[] = { 0x00, 0x01, 0xFF, 0x00, 'T', 'E', 'S', 'T' };
gchar raw[] = "TEST";
check_padding (egg_padding_pkcs1_pad_01, 8, raw, 4, padded, 8);
check_padding (egg_padding_pkcs1_unpad_01, 8, padded, 8, raw, 4);
}
static void
test_pkcs1_one_padding_no_data (void)
{
guchar padded[] = { 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00 };
gchar raw[] = "";
check_padding (egg_padding_pkcs1_pad_01, 8, raw, 0, padded, 8);
check_padding (egg_padding_pkcs1_unpad_01, 8, padded, 8, raw, 0);
}
static void
test_pkcs1_two_padding (void)
{
guchar padded[] = { 0x00, 0x02, 0x77, 0x66, 0x55, 0x00, 'T', 'E', };
gchar raw[] = "TE";
guchar *result;
gpointer vesult;
gsize n_result;
check_padding (egg_padding_pkcs1_unpad_02, 8, padded, 8, raw, 2);
/* PKCS#1 02 padding is unpredictable */
if (!egg_padding_pkcs1_pad_02 (NULL, 8, raw, 2, &vesult, &n_result))
g_assert_not_reached ();
result = vesult;
g_assert (result != NULL);
egg_assert_cmpsize (n_result, ==, 8);
g_assert (result[0] == 0x00);
g_assert (result[1] == 0x02);
g_assert (result[2] != 0x00);
g_assert (result[3] != 0x00);
g_assert (result[4] != 0x00);
g_assert (result[5] == 0x00);
g_assert (result[6] == 'T');
g_assert (result[7] == 'E');
g_free (vesult);
}
static void
test_pkcs1_padding_invalid_prefix (void)
{
guchar padded[] = { 0x01, 0x04, 0x04, 0x04 };
check_padding (egg_padding_pkcs1_unpad_01, 4, padded, 4, NULL, 0);
}
static void
test_pkcs1_padding_invalid_type (void)
{
guchar padded[] = { 0x00, 0x03, 0xFF, 0x00, 'T', 'E', 'S', 'T' };
check_padding (egg_padding_pkcs1_unpad_01, 8, padded, 8, NULL, 0);
}
static void
test_pkcs1_padding_invalid_no_zero (void)
{
guchar padded[] = { 0x00, 0x01, 0xFF, 0xFF, 'T', 'E', 'S', 'T' };
check_padding (egg_padding_pkcs1_unpad_01, 8, padded, 8, NULL, 0);
}
static void
test_pkcs1_padding_invalid_length (void)
{
guchar padded[] = { 0x00, 0x01, 0xFF, 0xFF, 'T', 'E', 'S' };
check_padding (egg_padding_pkcs1_unpad_01, 8, padded, 7, NULL, 0);
}
static void
test_pkcs7_padding (void)
{
guchar padded[] = { 'T', 'E', 'S', 'T', 0x04, 0x04, 0x04, 0x04 };
gchar raw[] = "TEST";
check_padding (egg_padding_pkcs7_pad, 8, raw, 4, padded, 8);
check_padding (egg_padding_pkcs7_unpad, 8, padded, 8, raw, 4);
}
static void
test_pkcs7_padding_equal_block (void)
{
guchar padded[] = { 'T', 'E', 'S', 'T', 'T', 'E', 'S', 'T', 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 };
gchar raw[] = "TESTTEST";
check_padding (egg_padding_pkcs7_pad, 8, raw, 8, padded, 16);
check_padding (egg_padding_pkcs7_unpad, 8, padded, 16, raw, 8);
}
static void
test_pkcs7_padding_zero (void)
{
guchar padded[] = { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 };
gchar raw[] = "";
check_padding (egg_padding_pkcs7_pad, 8, raw, 0, padded, 8);
check_padding (egg_padding_pkcs7_unpad, 8, padded, 8, raw, 0);
}
static void
test_pkcs7_padding_invalid_zero (void)
{
guchar padded[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
check_padding (egg_padding_pkcs7_unpad, 8, padded, 8, NULL, 0);
}
static void
test_pkcs7_padding_invalid_too_long (void)
{
guchar padded[] = { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 };
check_padding (egg_padding_pkcs7_unpad, 4, padded, 8, NULL, 0);
check_padding (egg_padding_pkcs7_unpad, 4, padded, 4, NULL, 0);
}
static void
test_pkcs7_padding_invalid_different (void)
{
guchar padded[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
check_padding (egg_padding_pkcs7_unpad, 8, padded, 8, NULL, 0);
}
int
main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/padding/zero_padding", test_zero_padding);
g_test_add_func ("/padding/zero_padding_no_data", test_zero_padding_no_data);
g_test_add_func ("/padding/pkcs1_one_padding", test_pkcs1_one_padding);
g_test_add_func ("/padding/pkcs1_one_padding_no_data", test_pkcs1_one_padding_no_data);
g_test_add_func ("/padding/pkcs1_two_padding", test_pkcs1_two_padding);
g_test_add_func ("/padding/pkcs1_padding_invalid_prefix", test_pkcs1_padding_invalid_prefix);
g_test_add_func ("/padding/pkcs1_padding_invalid_type", test_pkcs1_padding_invalid_type);
g_test_add_func ("/padding/pkcs1_padding_invalid_no_zero", test_pkcs1_padding_invalid_no_zero);
g_test_add_func ("/padding/pkcs1_padding_invalid_length", test_pkcs1_padding_invalid_length);
g_test_add_func ("/padding/pkcs7_padding", test_pkcs7_padding);
g_test_add_func ("/padding/pkcs7_padding_equal_block", test_pkcs7_padding_equal_block);
g_test_add_func ("/padding/pkcs7_padding_zero", test_pkcs7_padding_zero);
g_test_add_func ("/padding/pkcs7_padding_invalid_zero", test_pkcs7_padding_invalid_zero);
g_test_add_func ("/padding/pkcs7_padding_invalid_too_long", test_pkcs7_padding_invalid_too_long);
g_test_add_func ("/padding/pkcs7_padding_invalid_different", test_pkcs7_padding_invalid_different);
return g_test_run ();
}
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