Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| 2 | * Use of this source code is governed by a BSD-style license that can be |
| 3 | * found in the LICENSE file. |
| 4 | * |
| 5 | * Tests for host library vboot2 preamble functions |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <unistd.h> |
| 10 | |
| 11 | #include "2sysincludes.h" |
| 12 | #include "2common.h" |
| 13 | #include "2rsa.h" |
Randall Spangler | 108d991 | 2014-12-02 15:55:56 -0800 | [diff] [blame] | 14 | |
| 15 | #include "vb2_common.h" |
| 16 | |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 17 | #include "host_common.h" |
| 18 | #include "host_fw_preamble2.h" |
| 19 | #include "host_key2.h" |
| 20 | #include "host_signature2.h" |
| 21 | |
| 22 | #include "test_common.h" |
| 23 | |
| 24 | const uint8_t test_data1[] = "Some test data"; |
| 25 | const uint8_t test_data2[] = "Some more test data"; |
| 26 | const uint8_t test_data3[] = "Even more test data"; |
| 27 | |
| 28 | static void preamble_tests(const char *keys_dir) |
| 29 | { |
| 30 | struct vb2_private_key *prik4096; |
| 31 | struct vb2_public_key *pubk4096; |
Randall Spangler | 308d254 | 2014-12-04 09:54:37 -0800 | [diff] [blame] | 32 | struct vb2_fw_preamble *fp; |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 33 | const struct vb2_private_key *prikhash; |
Randall Spangler | 308d254 | 2014-12-04 09:54:37 -0800 | [diff] [blame] | 34 | struct vb2_signature *hashes[3]; |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 35 | char fname[1024]; |
| 36 | const char test_desc[] = "Test fw preamble"; |
| 37 | const uint32_t test_version = 2061; |
| 38 | const uint32_t test_flags = 0x11223344; |
| 39 | uint32_t hash_next; |
| 40 | int i; |
| 41 | |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 42 | uint8_t workbuf[VB2_VERIFY_FIRMWARE_PREAMBLE_WORKBUF_BYTES] |
| 43 | __attribute__ ((aligned (VB2_WORKBUF_ALIGN))); |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 44 | struct vb2_workbuf wb; |
| 45 | |
| 46 | vb2_workbuf_init(&wb, workbuf, sizeof(workbuf)); |
| 47 | |
| 48 | /* Read keys */ |
| 49 | sprintf(fname, "%s/key_rsa4096.keyb", keys_dir); |
| 50 | TEST_SUCC(vb2_public_key_read_keyb(&pubk4096, fname), |
| 51 | "Read public key 1"); |
| 52 | vb2_public_key_set_desc(pubk4096, "Test RSA4096 public key"); |
| 53 | pubk4096->hash_alg = VB2_HASH_SHA256; |
| 54 | |
| 55 | sprintf(fname, "%s/key_rsa4096.pem", keys_dir); |
| 56 | TEST_SUCC(vb2_private_key_read_pem(&prik4096, fname), |
| 57 | "Read private key 2"); |
| 58 | vb2_private_key_set_desc(prik4096, "Test RSA4096 private key"); |
| 59 | prik4096->sig_alg = VB2_SIG_RSA4096; |
| 60 | prik4096->hash_alg = VB2_HASH_SHA256; |
| 61 | |
| 62 | TEST_SUCC(vb2_private_key_hash(&prikhash, VB2_HASH_SHA256), |
| 63 | "Create private hash key"); |
| 64 | |
| 65 | /* Create some signatures */ |
| 66 | TEST_SUCC(vb2_sign_data(hashes + 0, test_data1, sizeof(test_data1), |
| 67 | prikhash, "Hash 1"), |
| 68 | "Hash 1"); |
| 69 | TEST_SUCC(vb2_sign_data(hashes + 1, test_data2, sizeof(test_data2), |
| 70 | prikhash, "Hash 2"), |
| 71 | "Hash 2"); |
| 72 | TEST_SUCC(vb2_sign_data(hashes + 2, test_data3, sizeof(test_data3), |
| 73 | prikhash, "Hash 3"), |
| 74 | "Hash 3"); |
| 75 | |
| 76 | /* Test good preamble */ |
| 77 | TEST_SUCC(vb2_fw_preamble_create(&fp, prik4096, |
Randall Spangler | 308d254 | 2014-12-04 09:54:37 -0800 | [diff] [blame] | 78 | (const struct vb2_signature **)hashes, |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 79 | 3, test_version, test_flags, |
| 80 | test_desc), |
| 81 | "Create preamble good"); |
| 82 | TEST_PTR_NEQ(fp, NULL, " fp_ptr"); |
Randall Spangler | 308d254 | 2014-12-04 09:54:37 -0800 | [diff] [blame] | 83 | TEST_SUCC(vb2_verify_fw_preamble(fp, fp->c.total_size, pubk4096, &wb), |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 84 | "Verify preamble good"); |
| 85 | TEST_EQ(strcmp(vb2_common_desc(fp), test_desc), 0, " desc"); |
Randall Spangler | 308d254 | 2014-12-04 09:54:37 -0800 | [diff] [blame] | 86 | TEST_EQ(fp->fw_version, test_version, " fw_version"); |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 87 | TEST_EQ(fp->flags, test_flags, " flags"); |
| 88 | TEST_EQ(fp->hash_count, 3, " hash_count"); |
| 89 | |
| 90 | hash_next = fp->hash_offset; |
| 91 | for (i = 0; i < 3; i++) { |
| 92 | TEST_EQ(0, memcmp((uint8_t *)fp + hash_next, hashes[i], |
| 93 | hashes[i]->c.total_size), " hash[i]"); |
| 94 | hash_next += hashes[i]->c.total_size; |
| 95 | } |
| 96 | |
| 97 | free(fp); |
| 98 | |
| 99 | /* Test errors */ |
| 100 | prik4096->hash_alg = VB2_HASH_INVALID; |
| 101 | TEST_EQ(vb2_fw_preamble_create(&fp, prik4096, |
Randall Spangler | 308d254 | 2014-12-04 09:54:37 -0800 | [diff] [blame] | 102 | (const struct vb2_signature **)hashes, |
Randall Spangler | 42a8500 | 2014-11-25 10:52:59 -0800 | [diff] [blame] | 103 | 3, test_version, test_flags, |
| 104 | test_desc), |
| 105 | VB2_FW_PREAMBLE_CREATE_SIG_SIZE, |
| 106 | "Create preamble bad sig"); |
| 107 | TEST_PTR_EQ(fp, NULL, " fp_ptr"); |
| 108 | |
| 109 | /* Free keys */ |
| 110 | vb2_public_key_free(pubk4096); |
| 111 | vb2_private_key_free(prik4096); |
| 112 | } |
| 113 | |
| 114 | int main(int argc, char *argv[]) { |
| 115 | |
| 116 | if (argc == 2) { |
| 117 | preamble_tests(argv[1]); |
| 118 | } else { |
| 119 | fprintf(stderr, "Usage: %s <keys_dir>", argv[0]); |
| 120 | return -1; |
| 121 | } |
| 122 | |
| 123 | return gTestSuccess ? 0 : 255; |
| 124 | } |