Fix compiler errors on MSVC

firmware/lib/tpm_bootmode.c

 /* Copyright (c) 2011 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.
  *
  * Functions for updating the TPM state with the status of boot path.
  */
 
 #include "tpm_bootmode.h"
 
 #include "tlcl.h"
@@ skipping 10 matching lines @@
  * Keyblock flags are defined in vboot_struct.h
  *
  * We map them to Keyblock_Mode as follows:
  *   -----------------------------------------
  *   Keyblock Flags            | Keyblock Mode
  *   -----------------------------------------
  *   6 (Dev-signed firmware)   |     2
  *   7 Normal-signed firmware  |     1
  *   (anything else)           |     0
  */
-const uint8_t kBootStateSHA1Digests[][20] = {
+
+const char* kBootStateSHA1Digests[] = {
   /* SHA1("\x00\x00\x00") */
   "\x29\xe2\xdc\xfb\xb1\x6f\x63\xbb\x02\x54\xdf\x75\x85\xa1\x5b\xb6"
   "\xfb\x5e\x92\x7d",
 
   /* SHA1("\x00\x00\x01") */
   "\x25\x47\xcc\x73\x6e\x95\x1f\xa4\x91\x98\x53\xc4\x3a\xe8\x90\x86"
   "\x1a\x3b\x32\x64",
 
   /* SHA1("\x00\x00\x02") */
   "\x1e\xf6\x24\x48\x2d\x62\x0e\x43\xe6\xd3\x4d\xa1\xaf\xe4\x62\x67"
@@ skipping 29 matching lines @@
 
   /* SHA1("\x01\x01\x01") */
   "\x28\xd8\x6c\x56\xb3\xbf\x26\xd2\x36\x56\x9b\x8d\xc8\xc3\xf9\x1f"
   "\x32\xf4\x7b\xc7",
 
   /* SHA1("\x01\x01\x02") */
   "\x12\xa3\x40\xd7\x89\x7f\xe7\x13\xfc\x8f\x02\xac\x53\x65\xb8\x6e"
   "\xbf\x35\x31\x78",
 };
 
-#define MAX_BOOT_STATE_INDEX (sizeof(kBootStateSHA1Digests)/sizeof(char[20]))
+#define MAX_BOOT_STATE_INDEX (sizeof(kBootStateSHA1Digests)/sizeof(char*))
 
 /* Used for PCR extend when the passed-in boot state is invalid or
  * if there is an internal error. */
-const uint8_t kBootInvalidSHA1Digest[20] = {
+const uint8_t kBootInvalidSHA1Digest[] = {
   "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
   "\xff\xff\xff\xff"
 };
 
 /* Given the boot state, return the correct SHA1 digest index for TPMExtend
  * in kBootStateSHA1Digests[]. */
 int GetBootStateIndex(int dev_mode, int rec_mode, int keyblock_flags) {
   int index = 0;
 
   /* Convert keyblock flags into keyblock mode which we use to index into
@@ skipping 20 matching lines @@
 
 uint32_t SetTPMBootModeState(int developer_mode, int recovery_mode,
                              int fw_keyblock_flags) {
   uint32_t result;
   const uint8_t* in_digest = NULL;
   uint8_t out_digest[20];  /* For PCR extend output. */
   int digest_index = GetBootStateIndex(developer_mode, recovery_mode,
                                        fw_keyblock_flags);
 
   if (digest_index >= 0 && digest_index < MAX_BOOT_STATE_INDEX)
-    in_digest = kBootStateSHA1Digests[digest_index];
+    in_digest = (const uint8_t*)kBootStateSHA1Digests[digest_index];
   else
     in_digest = kBootInvalidSHA1Digest;  /* Internal out of bounds error. */
   result = TlclExtend(BOOT_MODE_PCR, in_digest, out_digest);
   VBDEBUG(("TPM: SetTPMBootModeState boot mode PCR out_digest %02x %02x %02x "
            "%02x\n", out_digest, out_digest+1, out_digest+2, out_digest+3));
   return result;
 }