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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Assertion based test of the CBC implementation.
*
* This test can be used to the CBC implementation using either
* 3DES, AES128, AES192 or AES256. The test string above is encrypted
* and then decrypted using one of the algorithms and keys below. The test
* passes if the decrypted string is the same as the original. Note,
* that this test should not be used to test the underlying algorithms
* and relies on the correctness of those algorithms.
*/
#include <stdio.h>
#include <strings.h>
#include "cbc.h"
#include "des3.h"
#include "aes.h"
#include "cbc_test.h"
#define CBC_MAX_KEY_SIZE AES_256_KEY_SIZE
#define CBC_MAX_BLOCK_SIZE AES_BLOCK_SIZE
#define CBC_MIN_BLOCK_SIZE DES3_BLOCK_SIZE
#define CBC_MAX_IV_SIZE AES_IV_SIZE
#define DES3_KEY "01234567"
#define AES_128_KEY "0123456789ABCDEF"
#define AES_192_KEY "0123456789ABCDEFHIJKLMNO"
#define AES_256_KEY "0123456789ABCDEFHIJKLMNOPQRSTUVW"
#define TEST_BLOCK_SIZE (CBC_MAX_BLOCK_SIZE * 2)
#define TEST_SIZE (TEST_BLOCK_SIZE * 2)
#define TEST "This test is successful if this string has a period at the end."
int
cbctest(int type)
{
unsigned char test_string[TEST_SIZE];
char iv[CBC_MAX_IV_SIZE];
cbc_handle_t ch;
void *eh;
int ret;
int i;
switch (type) {
case CBC_DES3_TYPE:
ret = des3_init(&eh);
break;
case CBC_AES_128_TYPE:
ret = aes_init(&eh);
break;
case CBC_AES_192_TYPE:
ret = aes_init(&eh);
break;
case CBC_AES_256_TYPE:
ret = aes_init(&eh);
break;
default:
(void) printf("Illegal encryption type\n");
return (-1);
}
if (ret != 0) {
(void) printf("Error initializing encryption algorithm\n");
return (-1);
}
bzero(iv, CBC_MAX_IV_SIZE);
switch (type) {
case CBC_DES3_TYPE:
des3_key(eh, (uint8_t *)DES3_KEY);
cbc_makehandle(&ch, eh, DES3_KEY_SIZE, DES3_BLOCK_SIZE,
DES3_IV_SIZE, des3_encrypt, des3_decrypt);
break;
case CBC_AES_128_TYPE:
aes_key(eh, (uint8_t *)AES_128_KEY, AES_128_KEY_SIZE);
cbc_makehandle(&ch, eh, AES_128_KEY_SIZE, AES_BLOCK_SIZE,
AES_IV_SIZE, aes_encrypt, aes_decrypt);
break;
case CBC_AES_192_TYPE:
aes_key(eh, (uint8_t *)AES_192_KEY, AES_192_KEY_SIZE);
cbc_makehandle(&ch, eh, AES_192_KEY_SIZE, AES_BLOCK_SIZE,
AES_IV_SIZE, aes_encrypt, aes_decrypt);
break;
case CBC_AES_256_TYPE:
aes_key(eh, (uint8_t *)AES_256_KEY, AES_256_KEY_SIZE);
cbc_makehandle(&ch, eh, AES_256_KEY_SIZE, AES_BLOCK_SIZE,
AES_IV_SIZE, aes_encrypt, aes_decrypt);
break;
default:
/* Should not happen */
(void) printf("Illegal encryption type\n");
return (-1);
}
(void) strcpy((char *)test_string, TEST);
for (i = 0; i < TEST_SIZE; i += TEST_BLOCK_SIZE) {
(void) cbc_encrypt(&ch, (uint8_t *)&test_string[i],
TEST_BLOCK_SIZE, (uint8_t *)iv);
}
if (strcmp((char *)test_string, TEST) == 0) {
(void) printf("FAILED [Encryption]\n");
goto out;
}
bzero(iv, CBC_MAX_IV_SIZE);
for (i = 0; i < TEST_SIZE; i += TEST_BLOCK_SIZE) {
(void) cbc_decrypt(&ch, (uint8_t *)&test_string[i],
TEST_BLOCK_SIZE, (uint8_t *)iv);
}
if (strcmp((char *)test_string, TEST) == 0) {
(void) printf("PASSED\n");
} else {
(void) printf("FAILED [Decryption]\n");
}
out:
switch (type) {
case CBC_DES3_TYPE:
des3_fini(eh);
break;
case CBC_AES_128_TYPE:
case CBC_AES_192_TYPE:
case CBC_AES_256_TYPE:
aes_fini(eh);
break;
default:
/* Should not happen */
(void) printf("Illegal encryption type\n");
return (-1);
}
return (0);
}
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