mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2025-11-24 02:05:01 +00:00
f7559e4b46
This replaces calls to the old vboot 1 APIs with their vboot 2.0 equivalents. BUG=chromium:611535 BRANCH=none TEST=make runtests Change-Id: Ieb1a127577c6428c47ac088c3aaa0d0dad6275a8 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/356541 Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* 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.
|
|
*
|
|
* Host-side misc functions for verified boot.
|
|
*/
|
|
|
|
#ifndef VBOOT_REFERENCE_UTIL_MISC_H_
|
|
#define VBOOT_REFERENCE_UTIL_MISC_H_
|
|
|
|
#include "host_key.h"
|
|
#include "vboot_struct.h"
|
|
struct rsa_st;
|
|
struct vb2_packed_key;
|
|
struct vb2_private_key;
|
|
|
|
/**
|
|
* Returns the SHA1 digest of the packed key data as a string.
|
|
*
|
|
* The returned string is a global static buffer, so each call to this
|
|
* overwrites the previous digest string. So don't call this more than once
|
|
* per printf().
|
|
*
|
|
* @param key Key to print digest for
|
|
*
|
|
* @return A string containing the SHA1 digest.
|
|
*/
|
|
const char *packed_key_sha1_string(const struct vb2_packed_key *key);
|
|
|
|
/**
|
|
* Returns the SHA1 digest of the private key data as a string.
|
|
*
|
|
* The returned string is a global static buffer, so each call to this
|
|
* overwrites the previous digest string. So don't call this more than once
|
|
* per printf().
|
|
*
|
|
* @param key Key to print digest for
|
|
*
|
|
* @return A string containing the SHA1 digest.
|
|
*/
|
|
const char *private_key_sha1_string(const struct vb2_private_key *key);
|
|
|
|
/*
|
|
* Our packed RSBPublicKey buffer (historically in files ending with ".keyb",
|
|
* but also the part of struct vb2_packed_key and struct vb21_packed_key that
|
|
* is referenced by .key_offset) has this binary format:
|
|
*
|
|
* struct {
|
|
* uint32_t nwords; // size of RSA key in 32-bit words
|
|
* uint32_t N0inv; // -1 / N[0] mod 2^32
|
|
* uint32_t modulus[nwords]; // modulus as a little endian array
|
|
* uint32_t R2[nwords]; // R^2 as little endian array
|
|
* };
|
|
*
|
|
* This function allocates and extracts that binary structure directly
|
|
* from the RSA private key, rather than from a file.
|
|
*
|
|
* @param rsa_private_key RSA private key (duh)
|
|
* @param keyb_data Pointer to newly allocated binary blob
|
|
* @param keyb_size Size of newly allocated binary blob
|
|
*
|
|
* @return 0 on success, non-zero if unable to allocate enough memory.
|
|
*/
|
|
int vb_keyb_from_rsa(struct rsa_st *rsa_private_key,
|
|
uint8_t **keyb_data, uint32_t *keyb_size);
|
|
|
|
#endif /* VBOOT_REFERENCE_UTIL_MISC_H_ */
|