VBoot Reference: 18 Exabytes ought to be enough for everybody

src/platform/vboot_reference/include/kernel_image.h

 /* Copyright (c) 2010 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.
  *
  * Data structure and API definitions for a verified boot kernel image.
  */
 
 #ifndef VBOOT_REFERENCE_KERNEL_IMAGE_H_
 #define VBOOT_REFERENCE_KERNEL_IMAGE_H_
 
@@ skipping 145 matching lines @@
 /* Checks the kernel config (analogous to preamble for firmware) signature on
  * kernel config pointed by [kernel_config_blob] using the signing key
  * [kernel_sign_key].
  *
  * On success, put kernel length into [kernel_len], and return 0.
  * Else, return error code on failure.
  */
 int VerifyKernelConfig(RSAPublicKey* kernel_sign_key,
                        const uint8_t* kernel_config_blob,
                        int algorithm,
-                       int* kernel_len);
+                       uint64_t* kernel_len);
 
 /* Checks the signature on the kernel data at location [kernel_data_start].
  * The length of the actual kernel data is kernel _len and it is assumed to
  * be prepended with the signature whose size depends on the signature_algorithm
  * [algorithm].
  *
  * Return 0 on success, error code on failure.
  */
 int VerifyKernelData(RSAPublicKey* kernel_sign_key,
                      const uint8_t* kernel_config_start,
                      const uint8_t* kernel_data_start,
-                     int kernel_len,
+                     uint64_t kernel_len,
                      int algorithm);
 
 /* Performs a chained verify of the kernel blob [kernel_blob]. If
  * [dev_mode] is 0 [inactive], then the pre-processed public signing key
  * [root_key_blob] is used to verify the signature of the signing key,
  * else the check is skipped.
  *
  * TODO(gauravsh): Does the dev mode only effect the R/W firmware verification,
  * or kernel verification, or both?
  *
@@ skipping 72 matching lines @@
  * BOOT_KERNEL_A_CONTINUE          Boot from Kenrel A
  * BOOT_KERNEL_B_CONTINUE          Boot from Kernel B
  * BOOT_KERNEL_RECOVERY_CONTINUE   Jump to recovery mode
  */
 int VerifyKernelDriver_f(uint8_t* firmware_key_blob,
                          kernel_entry* kernelA,
                          kernel_entry* kernelB,
                          int dev_mode);
 
 #endif  /* VBOOT_REFERENCE_KERNEL_IMAGE_H_ */