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/* Copyright (c) 2014 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.
*
* Tests for host library vboot2 preamble functions
*/
#include <stdio.h>
#include <unistd.h>
#include "2sysincludes.h"
#include "2common.h"
#include "2rsa.h"
#include "vb21_common.h"
#include "host_common.h"
#include "host_fw_preamble2.h"
#include "host_key2.h"
#include "host_signature2.h"
#include "test_common.h"
const uint8_t test_data1[] = "Some test data";
const uint8_t test_data2[] = "Some more test data";
const uint8_t test_data3[] = "Even more test data";
static void preamble_tests(const char *keys_dir)
{
struct vb2_private_key *prik4096;
struct vb2_public_key *pubk4096;
struct vb21_fw_preamble *fp;
const struct vb2_private_key *prikhash;
struct vb21_signature *hashes[3];
char fname[1024];
const char test_desc[] = "Test fw preamble";
const uint32_t test_version = 2061;
const uint32_t test_flags = 0x11223344;
uint32_t hash_next;
int i;
uint8_t workbuf[VB2_VERIFY_FIRMWARE_PREAMBLE_WORKBUF_BYTES]
__attribute__ ((aligned (VB2_WORKBUF_ALIGN)));
struct vb2_workbuf wb;
vb2_workbuf_init(&wb, workbuf, sizeof(workbuf));
/* Read keys */
snprintf(fname, sizeof(fname), "%s/key_rsa4096.keyb", keys_dir);
TEST_SUCC(vb2_public_key_read_keyb(&pubk4096, fname),
"Read public key 1");
vb2_public_key_set_desc(pubk4096, "Test RSA4096 public key");
pubk4096->hash_alg = VB2_HASH_SHA256;
snprintf(fname, sizeof(fname), "%s/key_rsa4096.pem", keys_dir);
TEST_SUCC(vb2_private_key_read_pem(&prik4096, fname),
"Read private key 2");
vb2_private_key_set_desc(prik4096, "Test RSA4096 private key");
prik4096->sig_alg = VB2_SIG_RSA4096;
prik4096->hash_alg = VB2_HASH_SHA256;
TEST_SUCC(vb2_private_key_hash(&prikhash, VB2_HASH_SHA256),
"Create private hash key");
/* Create some signatures */
TEST_SUCC(vb21_sign_data(hashes + 0, test_data1, sizeof(test_data1),
prikhash, "Hash 1"),
"Hash 1");
TEST_SUCC(vb21_sign_data(hashes + 1, test_data2, sizeof(test_data2),
prikhash, "Hash 2"),
"Hash 2");
TEST_SUCC(vb21_sign_data(hashes + 2, test_data3, sizeof(test_data3),
prikhash, "Hash 3"),
"Hash 3");
/* Test good preamble */
TEST_SUCC(vb21_fw_preamble_create(
&fp, prik4096, (const struct vb21_signature **)hashes,
3, test_version, test_flags, test_desc),
"Create preamble good");
TEST_PTR_NEQ(fp, NULL, " fp_ptr");
TEST_SUCC(vb21_verify_fw_preamble(fp, fp->c.total_size, pubk4096, &wb),
"Verify preamble good");
TEST_EQ(strcmp(vb21_common_desc(fp), test_desc), 0, " desc");
TEST_EQ(fp->fw_version, test_version, " fw_version");
TEST_EQ(fp->flags, test_flags, " flags");
TEST_EQ(fp->hash_count, 3, " hash_count");
hash_next = fp->hash_offset;
for (i = 0; i < 3; i++) {
TEST_EQ(0, memcmp((uint8_t *)fp + hash_next, hashes[i],
hashes[i]->c.total_size), " hash[i]");
hash_next += hashes[i]->c.total_size;
}
free(fp);
/* Test errors */
prik4096->hash_alg = VB2_HASH_INVALID;
TEST_EQ(vb21_fw_preamble_create(&fp, prik4096,
(const struct vb21_signature **)hashes,
3, test_version, test_flags,
test_desc),
VB2_FW_PREAMBLE_CREATE_SIG_SIZE,
"Create preamble bad sig");
TEST_PTR_EQ(fp, NULL, " fp_ptr");
/* Free keys */
vb2_public_key_free(pubk4096);
vb2_private_key_free(prik4096);
}
int main(int argc, char *argv[]) {
if (argc == 2) {
preamble_tests(argv[1]);
} else {
fprintf(stderr, "Usage: %s <keys_dir>", argv[0]);
return -1;
}
return gTestSuccess ? 0 : 255;
}
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