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 21static 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 127int 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