/* SPDX-License-Identifier: GPL-2.0-or-later */ /* PKCS#7 crypto data parser internal definitions * * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) */ #include <linux/oid_registry.h> #include <crypto/pkcs7.h> #include "x509_parser.h" #define kenter(FMT, ...) \ pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__) #define kleave(FMT, ...) \ pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__) struct pkcs7_signed_info { struct pkcs7_signed_info *next; struct x509_certificate *signer; /* Signing certificate (in msg->certs) */ unsigned index; bool unsupported_crypto; /* T if not usable due to missing crypto */ bool blacklisted; /* Message digest - the digest of the Content Data (or NULL) */ const void *msgdigest; unsigned msgdigest_len; /* Authenticated Attribute data (or NULL) */ unsigned authattrs_len; const void *authattrs; unsigned long aa_set; #define sinfo_has_content_type 0 #define sinfo_has_signing_time 1 #define sinfo_has_message_digest 2 #define sinfo_has_smime_caps 3 #define sinfo_has_ms_opus_info 4 #define sinfo_has_ms_statement_type 5 time64_t signing_time; /* Message signature. * * This contains the generated digest of _either_ the Content Data or * the Authenticated Attributes [RFC2315 9.3]. If the latter, one of * the attributes contains the digest of the Content Data within it. * * This also contains the issuing cert serial number and issuer's name * [PKCS#7 or CMS ver 1] or issuing cert's SKID [CMS ver 3]. */ struct public_key_signature *sig; }; struct pkcs7_message { struct x509_certificate *certs; /* Certificate list */ struct x509_certificate *crl; /* Revocation list */ struct pkcs7_signed_info *signed_infos; u8 version; /* Version of cert (1 -> PKCS#7 or CMS; 3 -> CMS) */ bool have_authattrs; /* T if have authattrs */ /* Content Data (or NULL) */ enum OID data_type; /* Type of Data */ size_t data_len; /* Length of Data */ size_t data_hdrlen; /* Length of Data ASN.1 header */ const void *data; /* Content Data (or 0) */ };