Files
OpenCellular/host/lib/include/host_signature.h
Bill Richardson 0c3ba249ab Massive refactoring of external header files.
This reduces the number of exported header files to the minimum needed by
the existing userspace utilities and firmware implementations.

BUG=chromium:221544
BRANCH=none
TEST=manual, trybots
CQ-DEPEND=CL:47019,CL:47022,CL:47023

  sudo FEATURES=test emerge vboot_reference
  FEATURES=test emerge-$BOARD \
                vboot_reference \
                chromeos-cryptohome \
                chromeos-installer \
                chromeos-u-boot \
                peach-u-boot \
                depthcharge

Change-Id: I2946cc2dbaf5459a6c5eca92ca57d546498e6d85
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47021
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2013-04-02 14:12:52 -07:00

64 lines
2.1 KiB
C

/* 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.
*
* Host-side functions for verified boot.
*/
#ifndef VBOOT_REFERENCE_HOST_SIGNATURE_H_
#define VBOOT_REFERENCE_HOST_SIGNATURE_H_
#include "cryptolib.h"
#include "host_key.h"
#include "utility.h"
#include "vboot_struct.h"
/* Initialize a signature struct. */
void SignatureInit(VbSignature* sig, uint8_t* sig_data,
uint64_t sig_size, uint64_t data_size);
/* Allocate a new signature with space for a [sig_size] byte signature. */
VbSignature* SignatureAlloc(uint64_t sig_size, uint64_t data_size);
/* Copy a signature key from [src] to [dest].
*
* Returns 0 if success, non-zero if error. */
int SignatureCopy(VbSignature* dest, const VbSignature* src);
/* Calculates a SHA-512 checksum.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateChecksum(const uint8_t* data, uint64_t size);
/* Calculates a hash of the data using the algorithm from the specified key.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateHash(const uint8_t* data, uint64_t size,
const VbPrivateKey* key);
/* Calculates a signature for the data using the specified key.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateSignature(const uint8_t* data, uint64_t size,
const VbPrivateKey* key);
/* Calculates a signature for the data using the specified key and
* an external program.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateSignature_external(const uint8_t* data, uint64_t size,
const char* key_file,
uint64_t key_algorithm,
const char* external_signer);
#endif /* VBOOT_REFERENCE_HOST_SIGNATURE_H_ */