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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/* PKCS#7 crypto data parser internal definitions3 *4 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.5 * Written by David Howells (dhowells@redhat.com)6 */7 8#include <linux/oid_registry.h>9#include <crypto/pkcs7.h>10#include "x509_parser.h"11 12#define kenter(FMT, ...) \13 pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)14#define kleave(FMT, ...) \15 pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)16 17struct pkcs7_signed_info {18 struct pkcs7_signed_info *next;19 struct x509_certificate *signer; /* Signing certificate (in msg->certs) */20 unsigned index;21 bool unsupported_crypto; /* T if not usable due to missing crypto */22 bool blacklisted;23 24 /* Message digest - the digest of the Content Data (or NULL) */25 const void *msgdigest;26 unsigned msgdigest_len;27 28 /* Authenticated Attribute data (or NULL) */29 unsigned authattrs_len;30 const void *authattrs;31 unsigned long aa_set;32#define sinfo_has_content_type 033#define sinfo_has_signing_time 134#define sinfo_has_message_digest 235#define sinfo_has_smime_caps 336#define sinfo_has_ms_opus_info 437#define sinfo_has_ms_statement_type 538 time64_t signing_time;39 40 /* Message signature.41 *42 * This contains the generated digest of _either_ the Content Data or43 * the Authenticated Attributes [RFC2315 9.3]. If the latter, one of44 * the attributes contains the digest of the Content Data within it.45 *46 * This also contains the issuing cert serial number and issuer's name47 * [PKCS#7 or CMS ver 1] or issuing cert's SKID [CMS ver 3].48 */49 struct public_key_signature *sig;50};51 52struct pkcs7_message {53 struct x509_certificate *certs; /* Certificate list */54 struct x509_certificate *crl; /* Revocation list */55 struct pkcs7_signed_info *signed_infos;56 u8 version; /* Version of cert (1 -> PKCS#7 or CMS; 3 -> CMS) */57 bool have_authattrs; /* T if have authattrs */58 59 /* Content Data (or NULL) */60 enum OID data_type; /* Type of Data */61 size_t data_len; /* Length of Data */62 size_t data_hdrlen; /* Length of Data ASN.1 header */63 const void *data; /* Content Data (or 0) */64};65