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" 14 15 #include "vb2_common.h" 16 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; 32 struct vb2_fw_preamble *fp; 33 const struct vb2_private_key *prikhash; 34 struct vb2_signature *hashes[3]; 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 42 uint8_t workbuf[VB2_VERIFY_FIRMWARE_PREAMBLE_WORKBUF_BYTES] 43 __attribute__ ((aligned (VB2_WORKBUF_ALIGN))); 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, 78 (const struct vb2_signature **)hashes, 79 3, test_version, test_flags, 80 test_desc), 81 "Create preamble good"); 82 TEST_PTR_NEQ(fp, NULL, " fp_ptr"); 83 TEST_SUCC(vb2_verify_fw_preamble(fp, fp->c.total_size, pubk4096, &wb), 84 "Verify preamble good"); 85 TEST_EQ(strcmp(vb2_common_desc(fp), test_desc), 0, " desc"); 86 TEST_EQ(fp->fw_version, test_version, " fw_version"); 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, 102 (const struct vb2_signature **)hashes, 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 } 125
