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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* PKCS#7 crypto data parser
*
* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*/
#ifndef _CRYPTO_PKCS7_H
#define _CRYPTO_PKCS7_H
#include <linux/verification.h>
#include <linux/hash_info.h>
#include <crypto/public_key.h>
struct key;
struct pkcs7_message;
/*
* pkcs7_parser.c
*/
extern struct pkcs7_message *pkcs7_parse_message(const void *data,
size_t datalen);
extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
extern int pkcs7_get_content_data(const struct pkcs7_message *pkcs7,
const void **_data, size_t *_datalen,
size_t *_headerlen);
/*
* pkcs7_trust.c
*/
extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
struct key *trust_keyring);
/*
* pkcs7_verify.c
*/
extern int pkcs7_verify(struct pkcs7_message *pkcs7,
enum key_being_used_for usage);
extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
const void *data, size_t datalen);
extern int pkcs7_get_digest(struct pkcs7_message *pkcs7, const u8 **buf,
u32 *len, enum hash_algo *hash_algo);
#endif /* _CRYPTO_PKCS7_H */
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