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/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Splicing tests for the kernel image verification library.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "cryptolib.h"
#include "file_keys.h"
#include "kernel_image.h"
#include "test_common.h"
#include "utility.h"
#define FIRMWARE_KEY_BASE_NAME "testkeys/key_rsa2048"
#define KERNEL_KEY_BASE_NAME "testkeys/key_rsa1024"
const char* kFirmwareKeyPublicFile = FIRMWARE_KEY_BASE_NAME ".keyb";
const char* kFirmwareKeyFile = FIRMWARE_KEY_BASE_NAME ".pem";
const char* kKernelKeyPublicFile = KERNEL_KEY_BASE_NAME ".keyb";
const char* kKernelKeyFile = KERNEL_KEY_BASE_NAME ".pem";
void VerifyKernelSplicingTest()
{
uint64_t len;
KernelImage* image1 = NULL;
KernelImage* image2 = NULL;
uint8_t* kernel_blob = NULL;
uint8_t* kernel_sign_key_buf = NULL;
RSAPublicKey* firmware_key = RSAPublicKeyFromFile(kFirmwareKeyPublicFile);
uint8_t* firmware_key_blob = BufferFromFile(kFirmwareKeyPublicFile, &len);
kernel_sign_key_buf= BufferFromFile(kKernelKeyPublicFile, &len);
image1 = GenerateTestKernelImage(3, /* RSA2048/SHA1 */
0, /* RSA1024/SHA1 */
kernel_sign_key_buf,
1, /* Kernel Key Version. */
1, /* Kernel Version */
1000, /* Kernel Size. */
kFirmwareKeyFile,
kKernelKeyFile,
'K'); /* Kernel data fill. */
image2 = GenerateTestKernelImage(3, /* RSA2058/SHA1 */
0, /* RSA1024/SHA1 */
kernel_sign_key_buf,
1, /* Kernel Key Version. */
2, /* Kernel Version */
1000, /* Kernel Size */
kFirmwareKeyFile,
kKernelKeyFile,
'L'); /* Different Kernel data fill. */
/* Make sure the originals verify. */
TEST_EQ(VerifyKernelImage(firmware_key, image1, 0),
VERIFY_KERNEL_SUCCESS,
"KernelImage kernel_data Original");
TEST_EQ(VerifyKernelImage(firmware_key, image2, 0),
VERIFY_KERNEL_SUCCESS,
"KernelImage kernel_data Original");
/* Splice kernel_data + kernel signature from [image1]
* and put it into [image2]. */
Memcpy(image2->kernel_signature, image1->kernel_signature,
siglen_map[0]);
Memcpy(image2->kernel_data, image1->kernel_data,
image2->kernel_len);
TEST_NEQ(VerifyKernelImage(firmware_key, image2, 0),
VERIFY_KERNEL_SUCCESS,
"KernelImage kernel_data Splicing");
kernel_blob = GetKernelBlob(image2, &len);
TEST_NEQ(VerifyKernel(firmware_key_blob, kernel_blob, 0),
VERIFY_KERNEL_SUCCESS,
"Kernel Blob kernel_data Splicing");
}
int main(int argc, char* argv[])
{
int error_code = 0;
VerifyKernelSplicingTest();
if (!gTestSuccess)
error_code = 255;
return error_code;
}
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