1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* PKCS#7 crypto data parser 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. 5*4882a593Smuzhiyun * Written by David Howells (dhowells@redhat.com) 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _CRYPTO_PKCS7_H 9*4882a593Smuzhiyun #define _CRYPTO_PKCS7_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/verification.h> 12*4882a593Smuzhiyun #include <linux/hash_info.h> 13*4882a593Smuzhiyun #include <crypto/public_key.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct key; 16*4882a593Smuzhiyun struct pkcs7_message; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* 19*4882a593Smuzhiyun * pkcs7_parser.c 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun extern struct pkcs7_message *pkcs7_parse_message(const void *data, 22*4882a593Smuzhiyun size_t datalen); 23*4882a593Smuzhiyun extern void pkcs7_free_message(struct pkcs7_message *pkcs7); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun extern int pkcs7_get_content_data(const struct pkcs7_message *pkcs7, 26*4882a593Smuzhiyun const void **_data, size_t *_datalen, 27*4882a593Smuzhiyun size_t *_headerlen); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* 30*4882a593Smuzhiyun * pkcs7_trust.c 31*4882a593Smuzhiyun */ 32*4882a593Smuzhiyun extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7, 33*4882a593Smuzhiyun struct key *trust_keyring); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun /* 36*4882a593Smuzhiyun * pkcs7_verify.c 37*4882a593Smuzhiyun */ 38*4882a593Smuzhiyun extern int pkcs7_verify(struct pkcs7_message *pkcs7, 39*4882a593Smuzhiyun enum key_being_used_for usage); 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7, 42*4882a593Smuzhiyun const void *data, size_t datalen); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun extern int pkcs7_get_digest(struct pkcs7_message *pkcs7, const u8 **buf, 45*4882a593Smuzhiyun u32 *len, enum hash_algo *hash_algo); 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #endif /* _CRYPTO_PKCS7_H */ 48