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2e3fadbf DH |
1 | /* PKCS#7 crypto data parser internal definitions |
2 | * | |
3 | * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public Licence | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the Licence, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/oid_registry.h> | |
13 | #include <crypto/pkcs7.h> | |
14 | #include "x509_parser.h" | |
15 | ||
16 | #define kenter(FMT, ...) \ | |
17 | pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__) | |
18 | #define kleave(FMT, ...) \ | |
19 | pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__) | |
20 | ||
21 | struct pkcs7_signed_info { | |
22 | struct pkcs7_signed_info *next; | |
23 | struct x509_certificate *signer; /* Signing certificate (in msg->certs) */ | |
99db4435 | 24 | unsigned index; |
99db4435 | 25 | bool unsupported_crypto; /* T if not usable due to missing crypto */ |
2e3fadbf DH |
26 | |
27 | /* Message digest - the digest of the Content Data (or NULL) */ | |
28 | const void *msgdigest; | |
29 | unsigned msgdigest_len; | |
30 | ||
31 | /* Authenticated Attribute data (or NULL) */ | |
32 | unsigned authattrs_len; | |
33 | const void *authattrs; | |
99db4435 DH |
34 | unsigned long aa_set; |
35 | #define sinfo_has_content_type 0 | |
36 | #define sinfo_has_signing_time 1 | |
37 | #define sinfo_has_message_digest 2 | |
38 | #define sinfo_has_smime_caps 3 | |
39 | #define sinfo_has_ms_opus_info 4 | |
40 | #define sinfo_has_ms_statement_type 5 | |
41 | time64_t signing_time; | |
2e3fadbf | 42 | |
2e3fadbf DH |
43 | /* Message signature. |
44 | * | |
45 | * This contains the generated digest of _either_ the Content Data or | |
46 | * the Authenticated Attributes [RFC2315 9.3]. If the latter, one of | |
47 | * the attributes contains the digest of the the Content Data within | |
48 | * it. | |
566a117a DH |
49 | * |
50 | * THis also contains the issuing cert serial number and issuer's name | |
51 | * [PKCS#7 or CMS ver 1] or issuing cert's SKID [CMS ver 3]. | |
2e3fadbf | 52 | */ |
566a117a | 53 | struct public_key_signature *sig; |
2e3fadbf DH |
54 | }; |
55 | ||
56 | struct pkcs7_message { | |
57 | struct x509_certificate *certs; /* Certificate list */ | |
58 | struct x509_certificate *crl; /* Revocation list */ | |
59 | struct pkcs7_signed_info *signed_infos; | |
60d65cac | 60 | u8 version; /* Version of cert (1 -> PKCS#7 or CMS; 3 -> CMS) */ |
99db4435 | 61 | bool have_authattrs; /* T if have authattrs */ |
2e3fadbf DH |
62 | |
63 | /* Content Data (or NULL) */ | |
64 | enum OID data_type; /* Type of Data */ | |
65 | size_t data_len; /* Length of Data */ | |
66 | size_t data_hdrlen; /* Length of Data ASN.1 header */ | |
67 | const void *data; /* Content Data (or 0) */ | |
68 | }; |