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/*
* 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.
*/
#ifndef VBOOT_REFERENCE_FUTILITY_VB1_HELPER_H_
#define VBOOT_REFERENCE_FUTILITY_VB1_HELPER_H_
struct vb2_kernel_preamble;
struct vb2_keyblock;
struct vb2_packed_key;
/* Display a public key with variable indentation */
void show_pubkey(const struct vb2_packed_key *pubkey, const char *sp);
/* Other random functions needed for backward compatibility */
uint8_t *ReadConfigFile(const char *config_file, uint32_t *config_size);
uint8_t *CreateKernelBlob(uint8_t *vmlinuz_buf, uint32_t vmlinuz_size,
enum arch_t arch, uint64_t kernel_body_load_address,
uint8_t *config_data, uint32_t config_size,
uint8_t *bootloader_data, uint32_t bootloader_size,
uint32_t *blob_size_ptr);
uint8_t *SignKernelBlob(uint8_t *kernel_blob,
uint32_t kernel_size,
uint32_t padding,
int version,
uint64_t kernel_body_load_address,
struct vb2_keyblock *keyblock,
struct vb2_private_key *signpriv_key,
uint32_t flags,
uint32_t *vblock_size_ptr);
int WriteSomeParts(const char *outfile,
void *part1_data, uint32_t part1_size,
void *part2_data, uint32_t part2_size);
/**
* Unpack a kernel partition.
*
* @param kpart_data Kernel partition data
* @param kpart_size Size of kernel partition data in bytes
* @param padding Expected max size of keyblock+preamble
* @param keyblock_ptr Pointer to keyblock stored here on exit
* @param preamble_ptr Pointer to premable stored here on exit
* @param blob_size_ptr Size of kernel data blob stored here on exit
*
* @return A pointer to the kernel data blob, or NULL if error.
*/
uint8_t *unpack_kernel_partition(uint8_t *kpart_data,
uint32_t kpart_size,
uint32_t padding,
struct vb2_keyblock **keyblock_ptr,
struct vb2_kernel_preamble **preamble_ptr,
uint32_t *blob_size_ptr);
int UpdateKernelBlobConfig(uint8_t *kblob_data, uint32_t kblob_size,
uint8_t *config_data, uint32_t config_size);
int VerifyKernelBlob(uint8_t *kernel_blob,
uint32_t kernel_size,
struct vb2_packed_key *signpub_key,
const char *keyblock_outfile,
uint32_t min_version);
uint64_t kernel_cmd_line_offset(const struct vb2_kernel_preamble *preamble);
#endif /* VBOOT_REFERENCE_FUTILITY_VB1_HELPER_H_ */
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