| /* 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 */ |
| sprintf(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; |
| |
| sprintf(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; |
| } |