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/* 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_KEY_H_
#define VBOOT_REFERENCE_HOST_KEY_H_
#include "cryptolib.h"
#include "vboot_struct.h"
struct vb2_packed_key;
typedef struct rsa_st RSA;
/* Private key data */
typedef struct VbPrivateKey {
RSA* rsa_private_key; /* Private key data */
uint64_t algorithm; /* Algorithm to use when signing */
} VbPrivateKey;
/* Read a private key from a .pem file. Caller owns the returned pointer,
* and must free it with PrivateKeyFree(). */
VbPrivateKey* PrivateKeyReadPem(const char* filename, uint64_t algorithm);
/* Free a private key. */
void PrivateKeyFree(VbPrivateKey* key);
/* Write a private key to a file in .vbprivk format. */
int PrivateKeyWrite(const char* filename, const VbPrivateKey* key);
/* Read a privake key from a .vbprivk file. Caller owns the returned
* pointer, and must free it with PrivateKeyFree().
*
* Returns NULL if error. */
VbPrivateKey* PrivateKeyRead(const char* filename);
/* Allocate a new public key with space for a [key_size] byte key. */
VbPublicKey* PublicKeyAlloc(uint64_t key_size, uint64_t algorithm,
uint64_t version);
/* Read a public key from a .vbpubk file. Caller owns the returned
* pointer, and must free it with Free().
*
* Returns NULL if error. */
VbPublicKey* PublicKeyRead(const char* filename);
/* Return true if the packed (public) key struct appears correct. */
int packed_key_looks_ok(const struct vb2_packed_key *key, uint32_t size);
/* Read a public key from a .keyb file. Caller owns the returned
* pointer, and must free it with Free().
*
* Returns NULL if error. */
VbPublicKey* PublicKeyReadKeyb(const char* filename, uint64_t algorithm,
uint64_t version);
/* Write a public key to a file in .vbpubk format. */
int PublicKeyWrite(const char* filename, const VbPublicKey* key);
#endif /* VBOOT_REFERENCE_HOST_KEY_H_ */
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