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b4d0d230 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2e3fadbf DH |
2 | /* PKCS#7 crypto data parser internal definitions |
3 | * | |
4 | * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. | |
5 | * Written by David Howells (dhowells@redhat.com) | |
2e3fadbf DH |
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 | ||
17 | struct pkcs7_signed_info { | |
18 | struct pkcs7_signed_info *next; | |
19 | struct x509_certificate *signer; /* Signing certificate (in msg->certs) */ | |
99db4435 | 20 | unsigned index; |
99db4435 | 21 | bool unsupported_crypto; /* T if not usable due to missing crypto */ |
03bb7931 | 22 | bool blacklisted; |
2e3fadbf DH |
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; | |
99db4435 DH |
31 | unsigned long aa_set; |
32 | #define sinfo_has_content_type 0 | |
33 | #define sinfo_has_signing_time 1 | |
34 | #define sinfo_has_message_digest 2 | |
35 | #define sinfo_has_smime_caps 3 | |
36 | #define sinfo_has_ms_opus_info 4 | |
37 | #define sinfo_has_ms_statement_type 5 | |
38 | time64_t signing_time; | |
2e3fadbf | 39 | |
2e3fadbf DH |
40 | /* Message signature. |
41 | * | |
42 | * This contains the generated digest of _either_ the Content Data or | |
43 | * the Authenticated Attributes [RFC2315 9.3]. If the latter, one of | |
1539dd78 | 44 | * the attributes contains the digest of the Content Data within it. |
566a117a | 45 | * |
1539dd78 | 46 | * This also contains the issuing cert serial number and issuer's name |
566a117a | 47 | * [PKCS#7 or CMS ver 1] or issuing cert's SKID [CMS ver 3]. |
2e3fadbf | 48 | */ |
566a117a | 49 | struct public_key_signature *sig; |
2e3fadbf DH |
50 | }; |
51 | ||
52 | struct pkcs7_message { | |
53 | struct x509_certificate *certs; /* Certificate list */ | |
54 | struct x509_certificate *crl; /* Revocation list */ | |
55 | struct pkcs7_signed_info *signed_infos; | |
60d65cac | 56 | u8 version; /* Version of cert (1 -> PKCS#7 or CMS; 3 -> CMS) */ |
99db4435 | 57 | bool have_authattrs; /* T if have authattrs */ |
2e3fadbf DH |
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 | }; |