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 keyblock functions
6 */
7
8 #include <stdio.h>
9 #include <unistd.h>
10
11 #include "2sysincludes.h"
12 #include "2common.h"
13 #include "2rsa.h"
14 #include "vb2_common.h"
15 #include "host_common.h"
16 #include "host_key2.h"
17 #include "host_keyblock2.h"
18
19 #include "test_common.h"
20
keyblock_tests(const char * keys_dir)21 static void keyblock_tests(const char *keys_dir)
22 {
23 struct vb2_public_key *pubk2048, *pubk4096, *pubk8192, pubkhash;
24 struct vb2_private_key *prik4096, *prik8192;
25 struct vb2_packed_key *pak, *pakgood;
26 struct vb2_keyblock *kb;
27 const struct vb2_private_key *prikhash;
28 const struct vb2_private_key *prik[2];
29 char fname[1024];
30 const char test_desc[] = "Test keyblock";
31
32 uint8_t workbuf[VB2_KEY_BLOCK_VERIFY_WORKBUF_BYTES]
33 __attribute__ ((aligned (VB2_WORKBUF_ALIGN)));
34 struct vb2_workbuf wb;
35
36 vb2_workbuf_init(&wb, workbuf, sizeof(workbuf));
37
38 /* Read keys */
39 sprintf(fname, "%s/key_rsa2048.keyb", keys_dir);
40 TEST_SUCC(vb2_public_key_read_keyb(&pubk2048, fname),
41 "Read public key 2");
42 vb2_public_key_set_desc(pubk2048, "Test RSA2048 public key");
43 pubk2048->hash_alg = VB2_HASH_SHA256;
44
45 sprintf(fname, "%s/key_rsa4096.keyb", keys_dir);
46 TEST_SUCC(vb2_public_key_read_keyb(&pubk4096, fname),
47 "Read public key 1");
48 vb2_public_key_set_desc(pubk4096, "Test RSA4096 public key");
49 pubk4096->hash_alg = VB2_HASH_SHA256;
50
51 sprintf(fname, "%s/key_rsa8192.keyb", keys_dir);
52 TEST_SUCC(vb2_public_key_read_keyb(&pubk8192, fname),
53 "Read public key 2");
54 vb2_public_key_set_desc(pubk8192, "Test RSA8192 public key");
55 pubk8192->hash_alg = VB2_HASH_SHA512;
56
57 sprintf(fname, "%s/key_rsa4096.pem", keys_dir);
58 TEST_SUCC(vb2_private_key_read_pem(&prik4096, fname),
59 "Read private key 2");
60 vb2_private_key_set_desc(prik4096, "Test RSA4096 private key");
61 prik4096->sig_alg = VB2_SIG_RSA4096;
62 prik4096->hash_alg = VB2_HASH_SHA256;
63
64 sprintf(fname, "%s/key_rsa8192.pem", keys_dir);
65 TEST_SUCC(vb2_private_key_read_pem(&prik8192, fname),
66 "Read private key 1");
67 vb2_private_key_set_desc(prik8192, "Test RSA8192 private key");
68 prik8192->sig_alg = VB2_SIG_RSA8192;
69 prik8192->hash_alg = VB2_HASH_SHA512;
70
71 TEST_SUCC(vb2_private_key_hash(&prikhash, VB2_HASH_SHA512),
72 "Create private hash key");
73
74 TEST_SUCC(vb2_public_key_hash(&pubkhash, VB2_HASH_SHA512),
75 "Create public hash key");
76
77 TEST_SUCC(vb2_public_key_pack(&pakgood, pubk2048), "Test packed key");
78
79 /* Sign a keyblock with one key */
80 prik[0] = prik4096;
81 TEST_SUCC(vb2_keyblock_create(&kb, pubk2048, prik, 1, 0x1234, NULL),
82 "Keyblock single");
83 TEST_PTR_NEQ(kb, NULL, " kb_ptr");
84 TEST_SUCC(vb2_verify_keyblock(kb, kb->c.total_size, pubk4096, &wb),
85 " verify");
86 TEST_EQ(strcmp(vb2_common_desc(kb), pubk2048->desc), 0, " desc");
87 TEST_EQ(kb->flags, 0x1234, " flags");
88
89 pak = (struct vb2_packed_key *)((uint8_t *)kb + kb->key_offset);
90 TEST_EQ(0, memcmp(pak, pakgood, pakgood->c.total_size), " data key");
91 free(kb);
92
93 /* Sign a keyblock with two keys */
94 prik[0] = prik8192;
95 prik[1] = prikhash;
96 TEST_SUCC(vb2_keyblock_create(&kb, pubk4096, prik, 2, 0, test_desc),
97 "Keyblock multiple");
98 TEST_SUCC(vb2_verify_keyblock(kb, kb->c.total_size, pubk8192, &wb),
99 " verify 1");
100 TEST_SUCC(vb2_verify_keyblock(kb, kb->c.total_size, &pubkhash, &wb),
101 " verify 2");
102 TEST_EQ(strcmp(vb2_common_desc(kb), test_desc), 0, " desc");
103 TEST_EQ(kb->flags, 0, " flags");
104 free(kb);
105
106 /* Test errors */
107 prik[0] = prik8192;
108 prik8192->hash_alg = VB2_HASH_INVALID;
109 TEST_EQ(vb2_keyblock_create(&kb, pubk4096, prik, 1, 0, NULL),
110 VB2_KEYBLOCK_CREATE_SIG_SIZE, "Keyblock bad sig size");
111 TEST_PTR_EQ(kb, NULL, " kb_ptr");
112
113 prik[0] = prik4096;
114 pubk4096->sig_alg = VB2_SIG_INVALID;
115 TEST_EQ(vb2_keyblock_create(&kb, pubk4096, prik, 1, 0, NULL),
116 VB2_KEYBLOCK_CREATE_DATA_KEY, "Keyblock bad data key");
117
118 /* Free keys */
119 free(pakgood);
120 vb2_public_key_free(pubk2048);
121 vb2_public_key_free(pubk4096);
122 vb2_public_key_free(pubk8192);
123 vb2_private_key_free(prik4096);
124 vb2_private_key_free(prik8192);
125 }
126
main(int argc,char * argv[])127 int main(int argc, char *argv[]) {
128
129 if (argc == 2) {
130 keyblock_tests(argv[1]);
131 } else {
132 fprintf(stderr, "Usage: %s <keys_dir>", argv[0]);
133 return -1;
134 }
135
136 return gTestSuccess ? 0 : 255;
137 }
138