Vboot Reference: Refactor Code.

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 56 matching lines @@
 
 /* Deep free the contents of [image]. */
 void KernelImageFree(KernelImage* image);
 
 /* Read kernel data from file named [input_file].
  *
  * Returns a filled up KernelImage on success, NULL on error.
  */
 KernelImage* ReadKernelImage(const char* input_file);
 
-/* Write kernel key header from [image] to an open file pointed by the
- * file descriptor [fd].
+/* Get kernel header binary blob from an [image].
+ *
+ * Caller owns the returned pointer and must Free() it.
  */
-void WriteKernelHeader(int fd, KernelImage* image);
+uint8_t* GetKernelHeaderBlob(const KernelImage* image);
 
-/* Write kernel config from [image] to an open file pointed by the
- * file descriptor [fd].
+/* Get kernel config binary blob from an [image].
+ *
+ * Caller owns the returned pointer and must Free() it.
  */
-void WriteKernelConfig(int fd, KernelImage* image);
+uint8_t* GetKernelConfigBlob(const KernelImage* image);
+
+/* Get a verified kernel binary blob from an [image] and fill
+ * its length into blob_len.
+ *
+ * Caller owns the returned pointer and must Free() it.
+ */
+uint8_t* GetKernelBlob(const KernelImage* image, int* blob_len);
 
 /* Write kernel data from [image] to a file named [input_file].
  *
- * Return [image] on success, NULL on error.
+ * Return 1 on success, 0 on error.
  */
-KernelImage* WriteKernelImage(const char* input_file,
-                              KernelImage* image);
+int WriteKernelImage(const char* input_file,
+                     const KernelImage* image);
 
 /* Pretty print the contents of [image]. Only headers and metadata information
  * is printed.
  */
 void PrintKernelImage(const KernelImage* image);
 
 /* Error Codes for VerifyFirmware. */
 #define VERIFY_KERNEL_SUCCESS 0
 #define VERIFY_KERNEL_INVALID_IMAGE 1
 #define VERIFY_KERNEL_KEY_SIGNATURE_FAILED 2
@@ skipping 84 matching lines @@
  *
  * Return 1 on success, 0 on failure.
  */
 int AddKernelKeySignature(KernelImage* image, const char* firmware_key_file);
 
 /* Add a kernel and kernel config signature to a kernel image [image]
  * using the private signing key in file [kernel_sigining_key_file].
  *
  * Return 1 on success, 0 on failure.
  */
-int AddKernelSignature(KernelImage* image, const char* kernel_sigining_key_file,
-                       int algorithm);
+int AddKernelSignature(KernelImage* image,
+                       const char* kernel_sigining_key_file);
 
 #endif  /* VBOOT_REFERENCE_KERNEL_IMAGE_H_ */