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bcd8f4a07c
With this change, the kernel signature is a part of the preamble block (and therefore, used during preamble signature verification). BUG=670 TEST=image verification tests still pass. corrected splicing test expectations (and it passes). Review URL: http://codereview.chromium.org/2292001
85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Splicing tests for the kernel image verification library.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "cryptolib.h"
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#include "file_keys.h"
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#include "kernel_image.h"
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#include "test_common.h"
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#include "utility.h"
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#define FIRMWARE_KEY_BASE_NAME "testkeys/key_rsa2048"
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#define KERNEL_KEY_BASE_NAME "testkeys/key_rsa1024"
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const char* kFirmwareKeyPublicFile = FIRMWARE_KEY_BASE_NAME ".keyb";
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const char* kFirmwareKeyFile = FIRMWARE_KEY_BASE_NAME ".pem";
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const char* kKernelKeyPublicFile = KERNEL_KEY_BASE_NAME ".keyb";
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const char* kKernelKeyFile = KERNEL_KEY_BASE_NAME ".pem";
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void VerifyKernelSplicingTest()
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{
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uint64_t len;
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KernelImage* image1 = NULL;
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KernelImage* image2 = NULL;
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uint8_t* kernel_blob = NULL;
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uint8_t* kernel_sign_key_buf = NULL;
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RSAPublicKey* firmware_key = RSAPublicKeyFromFile(kFirmwareKeyPublicFile);
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uint8_t* firmware_key_blob = BufferFromFile(kFirmwareKeyPublicFile, &len);
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kernel_sign_key_buf= BufferFromFile(kKernelKeyPublicFile, &len);
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image1 = GenerateTestKernelImage(3, /* RSA2048/SHA1 */
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0, /* RSA1024/SHA1 */
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kernel_sign_key_buf,
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1, /* Kernel Key Version. */
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1, /* Kernel Version */
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1000, /* Kernel Size. */
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kFirmwareKeyFile,
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kKernelKeyFile,
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'K'); /* Kernel data fill. */
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image2 = GenerateTestKernelImage(3, /* RSA2058/SHA1 */
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0, /* RSA1024/SHA1 */
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kernel_sign_key_buf,
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1, /* Kernel Key Version. */
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2, /* Kernel Version */
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1000, /* Kernel Size */
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kFirmwareKeyFile,
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kKernelKeyFile,
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'L'); /* Different Kernel data fill. */
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/* Make sure the originals verify. */
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TEST_EQ(VerifyKernelImage(firmware_key, image1, 0),
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VERIFY_KERNEL_SUCCESS,
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"KernelImage kernel_data Original");
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TEST_EQ(VerifyKernelImage(firmware_key, image2, 0),
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VERIFY_KERNEL_SUCCESS,
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"KernelImage kernel_data Original");
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/* Splice kernel_data + kernel signature from [image1]
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* and put it into [image2]. */
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Memcpy(image2->kernel_signature, image1->kernel_signature,
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siglen_map[0]);
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Memcpy(image2->kernel_data, image1->kernel_data,
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image2->kernel_len);
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TEST_NEQ(VerifyKernelImage(firmware_key, image2, 0),
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VERIFY_KERNEL_SUCCESS,
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"KernelImage kernel_data Splicing");
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kernel_blob = GetKernelBlob(image2, &len);
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TEST_NEQ(VerifyKernel(firmware_key_blob, kernel_blob, 0),
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VERIFY_KERNEL_SUCCESS,
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"Kernel Blob kernel_data Splicing");
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}
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int main(int argc, char* argv[])
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{
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int error_code = 0;
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VerifyKernelSplicingTest();
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if (!gTestSuccess)
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error_code = 255;
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return error_code;
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}
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