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