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125 lines
3.5 KiB
125 lines
3.5 KiB
/* Copyright (c) 2014 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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* Tests for host library vboot2 preamble functions
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include "2sysincludes.h"
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#include "2common.h"
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#include "2rsa.h"
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#include "vb2_common.h"
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#include "host_common.h"
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#include "host_fw_preamble2.h"
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#include "host_key2.h"
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#include "host_signature2.h"
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#include "test_common.h"
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const uint8_t test_data1[] = "Some test data";
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const uint8_t test_data2[] = "Some more test data";
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const uint8_t test_data3[] = "Even more test data";
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static void preamble_tests(const char *keys_dir)
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{
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struct vb2_private_key *prik4096;
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struct vb2_public_key *pubk4096;
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struct vb2_fw_preamble *fp;
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const struct vb2_private_key *prikhash;
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struct vb2_signature *hashes[3];
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char fname[1024];
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const char test_desc[] = "Test fw preamble";
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const uint32_t test_version = 2061;
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const uint32_t test_flags = 0x11223344;
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uint32_t hash_next;
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int i;
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uint8_t workbuf[VB2_VERIFY_FIRMWARE_PREAMBLE_WORKBUF_BYTES]
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__attribute__ ((aligned (VB2_WORKBUF_ALIGN)));
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struct vb2_workbuf wb;
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vb2_workbuf_init(&wb, workbuf, sizeof(workbuf));
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/* Read keys */
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sprintf(fname, "%s/key_rsa4096.keyb", keys_dir);
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TEST_SUCC(vb2_public_key_read_keyb(&pubk4096, fname),
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"Read public key 1");
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vb2_public_key_set_desc(pubk4096, "Test RSA4096 public key");
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pubk4096->hash_alg = VB2_HASH_SHA256;
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sprintf(fname, "%s/key_rsa4096.pem", keys_dir);
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TEST_SUCC(vb2_private_key_read_pem(&prik4096, fname),
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"Read private key 2");
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vb2_private_key_set_desc(prik4096, "Test RSA4096 private key");
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prik4096->sig_alg = VB2_SIG_RSA4096;
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prik4096->hash_alg = VB2_HASH_SHA256;
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TEST_SUCC(vb2_private_key_hash(&prikhash, VB2_HASH_SHA256),
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"Create private hash key");
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/* Create some signatures */
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TEST_SUCC(vb2_sign_data(hashes + 0, test_data1, sizeof(test_data1),
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prikhash, "Hash 1"),
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"Hash 1");
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TEST_SUCC(vb2_sign_data(hashes + 1, test_data2, sizeof(test_data2),
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prikhash, "Hash 2"),
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"Hash 2");
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TEST_SUCC(vb2_sign_data(hashes + 2, test_data3, sizeof(test_data3),
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prikhash, "Hash 3"),
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"Hash 3");
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/* Test good preamble */
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TEST_SUCC(vb2_fw_preamble_create(&fp, prik4096,
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(const struct vb2_signature **)hashes,
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3, test_version, test_flags,
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test_desc),
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"Create preamble good");
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TEST_PTR_NEQ(fp, NULL, " fp_ptr");
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TEST_SUCC(vb2_verify_fw_preamble(fp, fp->c.total_size, pubk4096, &wb),
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"Verify preamble good");
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TEST_EQ(strcmp(vb2_common_desc(fp), test_desc), 0, " desc");
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TEST_EQ(fp->fw_version, test_version, " fw_version");
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TEST_EQ(fp->flags, test_flags, " flags");
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TEST_EQ(fp->hash_count, 3, " hash_count");
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hash_next = fp->hash_offset;
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for (i = 0; i < 3; i++) {
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TEST_EQ(0, memcmp((uint8_t *)fp + hash_next, hashes[i],
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hashes[i]->c.total_size), " hash[i]");
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hash_next += hashes[i]->c.total_size;
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}
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free(fp);
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/* Test errors */
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prik4096->hash_alg = VB2_HASH_INVALID;
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TEST_EQ(vb2_fw_preamble_create(&fp, prik4096,
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(const struct vb2_signature **)hashes,
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3, test_version, test_flags,
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test_desc),
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VB2_FW_PREAMBLE_CREATE_SIG_SIZE,
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"Create preamble bad sig");
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TEST_PTR_EQ(fp, NULL, " fp_ptr");
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/* Free keys */
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vb2_public_key_free(pubk4096);
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vb2_private_key_free(prik4096);
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}
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int main(int argc, char *argv[]) {
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if (argc == 2) {
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preamble_tests(argv[1]);
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} else {
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fprintf(stderr, "Usage: %s <keys_dir>", argv[0]);
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return -1;
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}
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return gTestSuccess ? 0 : 255;
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}
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