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Diffstat (limited to 'tests/kernel_verify_benchmark.c')
| -rw-r--r-- | tests/kernel_verify_benchmark.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/tests/kernel_verify_benchmark.c b/tests/kernel_verify_benchmark.c deleted file mode 100644 index 3ba113c5..00000000 --- a/tests/kernel_verify_benchmark.c +++ /dev/null @@ -1,159 +0,0 @@ -/* 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. - * - * Timing benchmark for verifying a firmware image. - */ - -#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 "timer_utils.h" -#include "utility.h" - -#define FILE_NAME_SIZE 128 - -#define NUM_OPERATIONS 30 /* Number of verify operations to time. - * We use a smaller number here (30 vs. 100) - * since there are many more cases to consider - * (one for each combination of firmware and kernel - * signature algorithm. - */ - -#define KERNEL_SIZE_SMALL 512000 -#define KERNEL_SIZE_MEDIUM 1024000 -#define KERNEL_SIZE_LARGE 4096000 -const uint64_t g_kernel_sizes_to_test[] = { - KERNEL_SIZE_SMALL, - KERNEL_SIZE_MEDIUM, - KERNEL_SIZE_LARGE -}; -const char* g_kernel_size_labels[] = { - "small", - "medium", - "large" -}; -#define NUM_SIZES_TO_TEST (sizeof(g_kernel_sizes_to_test) / \ - sizeof(g_kernel_sizes_to_test[0])) - -int SpeedTestAlgorithm(int firmware_sign_algorithm, - int kernel_sign_algorithm) { - int i, j, error_code = 0; - int firmware_key_size, kernel_key_size; - ClockTimerState ct; - double msecs; - uint64_t len; - uint8_t* kernel_sign_key = NULL; - uint8_t* firmware_key_blob = NULL; - char firmware_sign_key_file[FILE_NAME_SIZE]; - char kernel_sign_key_file[FILE_NAME_SIZE]; - char file_name[FILE_NAME_SIZE]; /* Temp to hold a constructed file name */ - char* sha_strings[] = { /* Maps algorithm->SHA algorithm. */ - "sha1", "sha256", "sha512", /* RSA-1024 */ - "sha1", "sha256", "sha512", /* RSA-2048 */ - "sha1", "sha256", "sha512", /* RSA-4096 */ - "sha1", "sha256", "sha512", /* RSA-8192 */ - }; - uint8_t* kernel_blobs[NUM_SIZES_TO_TEST]; - for (i = 0; i < NUM_SIZES_TO_TEST; ++i) - kernel_blobs[i] = NULL; - - /* Get all needed test keys. */ - firmware_key_size = siglen_map[firmware_sign_algorithm] * 8; /* in bits. */ - kernel_key_size = siglen_map[kernel_sign_algorithm] * 8; /* in bits. */ - snprintf(firmware_sign_key_file, FILE_NAME_SIZE, "testkeys/key_rsa%d.pem", - firmware_key_size); - snprintf(kernel_sign_key_file, FILE_NAME_SIZE, "testkeys/key_rsa%d.pem", - kernel_key_size); - snprintf(file_name, FILE_NAME_SIZE, "testkeys/key_rsa%d.keyb", - kernel_key_size); - kernel_sign_key = BufferFromFile(file_name, &len); - if (!kernel_sign_key) { - VBDEBUG(("Couldn't read pre-processed public kernel signing key.\n")); - error_code = 1; - goto cleanup; - } - - /* Generate test images. */ - for (i = 0; i < NUM_SIZES_TO_TEST; ++i) { - kernel_blobs[i] = GenerateTestKernelBlob(firmware_sign_algorithm, - kernel_sign_algorithm, - kernel_sign_key, - 1, /* kernel key version. */ - 1, /* kernel version. */ - g_kernel_sizes_to_test[i], - firmware_sign_key_file, - kernel_sign_key_file); - if (!kernel_blobs[i]) { - VBDEBUG(("Couldn't generate test firmware images.\n")); - error_code = 1; - goto cleanup; - } - } - - /* Get pre-processed key used for verification. */ - snprintf(file_name, FILE_NAME_SIZE, "testkeys/key_rsa%d.keyb", - firmware_key_size); - firmware_key_blob = BufferFromFile(file_name, &len); - if (!firmware_key_blob) { - VBDEBUG(("Couldn't read pre-processed firmware public key.\n")); - error_code = 1; - goto cleanup; - } - - /* Now run the timing tests. */ - for (i = 0; i < NUM_SIZES_TO_TEST; ++i) { - StartTimer(&ct); - for (j = 0; j < NUM_OPERATIONS; ++j) { - if (VERIFY_KERNEL_SUCCESS != - VerifyKernel(firmware_key_blob, kernel_blobs[i], 0)) - VBDEBUG(("Warning: Kernel Verification Failed.\n")); - } - StopTimer(&ct); - msecs = (float) GetDurationMsecs(&ct) / NUM_OPERATIONS; - fprintf(stderr, - "# Kernel (%s, Algo = %s / %s):" - "\t%.02f ms/verification\n", - g_kernel_size_labels[i], - algo_strings[firmware_sign_algorithm], - algo_strings[kernel_sign_algorithm], - msecs); - fprintf(stdout, "ms_kernel_%s_rsa%d_%s_rsa%d_%s:%.02f\n", - g_kernel_size_labels[i], - firmware_key_size, - sha_strings[firmware_sign_algorithm], - kernel_key_size, - sha_strings[kernel_sign_algorithm], - msecs); - } - - cleanup: - for (i = 0; i < NUM_SIZES_TO_TEST; ++i) - Free(kernel_blobs[i]); - Free(firmware_key_blob); - Free(kernel_sign_key); - return error_code; -} - - -int main(int argc, char* argv[]) { - int i, j, error_code = 0; - for (i = 0; i < kNumAlgorithms; ++i) { /* Firmware Signing Algorithm. */ - for (j = 0; j < kNumAlgorithms; ++j) { /* Kernel Signing Algorithm. */ - /* Only measure if the kernel signing algorithm is weaker or equal to - * the firmware signing algorithm. */ - if (siglen_map[j] > siglen_map[i]) - continue; - if (siglen_map[j] == siglen_map[i] && hash_size_map[j] > hash_size_map[i]) - continue; - if (0 != (error_code = SpeedTestAlgorithm(i, j))) - return error_code; - } - } - return 0; -} |