pkcs7.h@ 100275

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1	/** @file
2	* IPRT - PKCS \#7, Cryptographic Message Syntax Standard (aka CMS).
3	*/
4
5	/*
6	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef IPRT_INCLUDED_crypto_pkcs7_h
37	#define IPRT_INCLUDED_crypto_pkcs7_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42	#include <iprt/asn1.h>
43	#include <iprt/crypto/x509.h>
44
45
46	RT_C_DECLS_BEGIN
47
48	struct RTCRPKCS7CONTENTINFO;
49
50
51	/** @defgroup grp_rt_crpkcs7 RTCrPkcs7 - PKCS \#7, Cryptographic Message Syntax Standard (aka CMS).
52	* @ingroup grp_rt_crypto
53	* @{
54	*/
55
56	/** PKCS \#7 data object ID.*/
57	#define RTCR_PKCS7_DATA_OID "1.2.840.113549.1.7.1"
58	/** PKCS \#7 signedData object ID. */
59	#define RTCR_PKCS7_SIGNED_DATA_OID "1.2.840.113549.1.7.2"
60	/** PKCS \#7 envelopedData object ID. */
61	#define RTCR_PKCS7_ENVELOPED_DATA_OID "1.2.840.113549.1.7.3"
62	/** PKCS \#7 signedAndEnvelopedData object ID. */
63	#define RTCR_PKCS7_SIGNED_AND_ENVELOPED_DATA_OID "1.2.840.113549.1.7.4"
64	/** PKCS \#7 digestedData object ID. */
65	#define RTCR_PKCS7_DIGESTED_DATA_OID "1.2.840.113549.1.7.5"
66	/** PKCS \#7 encryptedData object ID. */
67	#define RTCR_PKCS7_ENCRYPTED_DATA_OID "1.2.840.113549.1.7.6"
68
69
70	/**
71	* PKCS \#7 IssuerAndSerialNumber (IPRT representation).
72	*/
73	typedef struct RTCRPKCS7ISSUERANDSERIALNUMBER
74	{
75	/** Sequence core. */
76	RTASN1SEQUENCECORE SeqCore;
77	/** The certificate name. */
78	RTCRX509NAME Name;
79	/** The certificate serial number. */
80	RTASN1INTEGER SerialNumber;
81	} RTCRPKCS7ISSUERANDSERIALNUMBER;
82	/** Pointer to the IPRT representation of a PKCS \#7 IssuerAndSerialNumber. */
83	typedef RTCRPKCS7ISSUERANDSERIALNUMBER *PRTCRPKCS7ISSUERANDSERIALNUMBER;
84	/** Pointer to the const IPRT representation of a PKCS \#7
85	* IssuerAndSerialNumber. */
86	typedef RTCRPKCS7ISSUERANDSERIALNUMBER const *PCRTCRPKCS7ISSUERANDSERIALNUMBER;
87	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7ISSUERANDSERIALNUMBER, RTDECL, RTCrPkcs7IssuerAndSerialNumber, SeqCore.Asn1Core);
88
89
90	/** Pointer to the IPRT representation of a PKCS \#7 SignerInfo. */
91	typedef struct RTCRPKCS7SIGNERINFO *PRTCRPKCS7SIGNERINFO;
92	/** Pointer to the const IPRT representation of a PKCS \#7 SignerInfo. */
93	typedef struct RTCRPKCS7SIGNERINFO const *PCRTCRPKCS7SIGNERINFO;
94	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTCRPKCS7SIGNERINFOS, RTCRPKCS7SIGNERINFO, RTDECL, RTCrPkcs7SignerInfos);
95
96
97	/**
98	* Attribute value type (for the union).
99	*/
100	typedef enum RTCRPKCS7ATTRIBUTETYPE
101	{
102	/** Zero is invalid. */
103	RTCRPKCS7ATTRIBUTETYPE_INVALID = 0,
104	/** Not present, union is NULL. */
105	RTCRPKCS7ATTRIBUTETYPE_NOT_PRESENT,
106	/** Unknown values, pCores. */
107	RTCRPKCS7ATTRIBUTETYPE_UNKNOWN,
108	/** Object IDs, use pObjIds. */
109	RTCRPKCS7ATTRIBUTETYPE_OBJ_IDS,
110	/** Octet strings, use pOctetStrings. */
111	RTCRPKCS7ATTRIBUTETYPE_OCTET_STRINGS,
112	/** Counter signatures (PKCS \#9), use pCounterSignatures.
113	* RTCR_PKCS9_ID_COUNTER_SIGNATURE_OID - 1.2.840.113549.1.9.6. */
114	RTCRPKCS7ATTRIBUTETYPE_COUNTER_SIGNATURES,
115	/** Signing time (PKCS \#9), use pSigningTime.
116	* RTCR_PKCS9_ID_SIGNING_TIME_OID - 1.2.840.113549.1.9.5. */
117	RTCRPKCS7ATTRIBUTETYPE_SIGNING_TIME,
118	/** Microsoft timestamp info (RFC-3161) signed data, use pContentInfo.
119	* RTCR_PKCS9_ID_MS_TIMESTAMP - 1.3.6.1.4.1.311.3.3.1. */
120	RTCRPKCS7ATTRIBUTETYPE_MS_TIMESTAMP,
121	/** Microsoft nested PKCS\#7 signature (signtool /as).
122	* RTCR_PKCS9_ID_MS_NESTED_SIGNATURE - 1.3.6.1.4.1.311.2.4.1. */
123	RTCRPKCS7ATTRIBUTETYPE_MS_NESTED_SIGNATURE,
124	/** Microsoft statement type, use pObjIdSeqs.
125	* RTCR_PKCS9_ID_MS_STATEMENT_TYPE - 1.3.6.1.4.1.311.2.1.11. */
126	RTCRPKCS7ATTRIBUTETYPE_MS_STATEMENT_TYPE,
127	/** Apple plist with the all code directory digests, use pOctetStrings.
128	* RTCR_PKCS9_ID_APPLE_MULTI_CD_PLIST - 1.2.840.113635.100.9.1. */
129	RTCRPKCS7ATTRIBUTETYPE_APPLE_MULTI_CD_PLIST,
130	/** Blow the type up to 32-bits. */
131	RTCRPKCS7ATTRIBUTETYPE_32BIT_HACK = 0x7fffffff
132	} RTCRPKCS7ATTRIBUTETYPE;
133
134	/**
135	* PKCS \#7 Attribute (IPRT representation).
136	*/
137	typedef struct RTCRPKCS7ATTRIBUTE
138	{
139	/** Sequence core. */
140	RTASN1SEQUENCECORE SeqCore;
141	/** The attribute type (object ID). */
142	RTASN1OBJID Type;
143	/** The type of data found in the values union. */
144	RTCRPKCS7ATTRIBUTETYPE enmType;
145	/** Value allocation. */
146	RTASN1ALLOCATION Allocation;
147	/** Values. */
148	union
149	{
150	/** ASN.1 cores (RTCRPKCS7ATTRIBUTETYPE_UNKNOWN). */
151	PRTASN1SETOFCORES pCores;
152	/** ASN.1 object identifiers (RTCRPKCS7ATTRIBUTETYPE_OBJ_IDS). */
153	PRTASN1SETOFOBJIDS pObjIds;
154	/** Sequence of ASN.1 object identifiers (RTCRPKCS7ATTRIBUTETYPE_MS_STATEMENT_TYPE). */
155	PRTASN1SETOFOBJIDSEQS pObjIdSeqs;
156	/** ASN.1 octet strings (RTCRPKCS7ATTRIBUTETYPE_OCTET_STRINGS). */
157	PRTASN1SETOFOCTETSTRINGS pOctetStrings;
158	/** Counter signatures RTCRPKCS7ATTRIBUTETYPE_COUNTER_SIGNATURES(). */
159	PRTCRPKCS7SIGNERINFOS pCounterSignatures;
160	/** Signing time(s) (RTCRPKCS7ATTRIBUTETYPE_SIGNING_TIME). */
161	PRTASN1SETOFTIMES pSigningTime;
162	/** Microsoft timestamp (RFC-3161 signed data, RTCRPKCS7ATTRIBUTETYPE_MS_TIMESTAMP),
163	* Microsoft nested signature (RTCRPKCS7ATTRIBUTETYPE_MS_NESTED_SIGNATURE). */
164	struct RTCRPKCS7SETOFCONTENTINFOS *pContentInfos;
165	} uValues;
166	} RTCRPKCS7ATTRIBUTE;
167	/** Pointer to the IPRT representation of a PKCS \#7 Attribute. */
168	typedef RTCRPKCS7ATTRIBUTE *PRTCRPKCS7ATTRIBUTE;
169	/** Pointer to the const IPRT representation of a PKCS \#7 Attribute. */
170	typedef RTCRPKCS7ATTRIBUTE const *PCRTCRPKCS7ATTRIBUTE;
171	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7ATTRIBUTE, RTDECL, RTCrPkcs7Attribute, SeqCore.Asn1Core);
172
173	RTDECL(int) RTCrPkcs7Attribute_SetAppleMultiCdPlist(PRTCRPKCS7ATTRIBUTE pThis, PCRTASN1SETOFOCTETSTRINGS pToClone,
174	PCRTASN1ALLOCATORVTABLE pAllocator);
175	RTDECL(int) RTCrPkcs7Attribute_SetContentType(PRTCRPKCS7ATTRIBUTE pThis, PCRTASN1SETOFOBJIDS pToClone,
176	PCRTASN1ALLOCATORVTABLE pAllocator);
177	RTDECL(int) RTCrPkcs7Attribute_SetCounterSignatures(PRTCRPKCS7ATTRIBUTE pThis, PCRTCRPKCS7SIGNERINFOS pToClone,
178	PCRTASN1ALLOCATORVTABLE pAllocator);
179	RTDECL(int) RTCrPkcs7Attribute_SetMessageDigest(PRTCRPKCS7ATTRIBUTE pThis, PCRTASN1SETOFOCTETSTRINGS pToClone,
180	PCRTASN1ALLOCATORVTABLE pAllocator);
181	RTDECL(int) RTCrPkcs7Attribute_SetMsStatementType(PRTCRPKCS7ATTRIBUTE pThis, PCRTASN1SETOFOBJIDSEQS pToClone,
182	PCRTASN1ALLOCATORVTABLE pAllocator);
183	RTDECL(int) RTCrPkcs7Attribute_SetMsNestedSignature(PRTCRPKCS7ATTRIBUTE pThis, struct RTCRPKCS7SETOFCONTENTINFOS const *pToClone,
184	PCRTASN1ALLOCATORVTABLE pAllocator);
185	RTDECL(int) RTCrPkcs7Attribute_SetMsTimestamp(PRTCRPKCS7ATTRIBUTE pThis, struct RTCRPKCS7SETOFCONTENTINFOS const *pToClone,
186	PCRTASN1ALLOCATORVTABLE pAllocator);
187	RTDECL(int) RTCrPkcs7Attribute_SetSigningTime(PRTCRPKCS7ATTRIBUTE pThis, PCRTASN1SETOFTIMES pToClone,
188	PCRTASN1ALLOCATORVTABLE pAllocator);
189
190	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTCRPKCS7ATTRIBUTES, RTCRPKCS7ATTRIBUTE, RTDECL, RTCrPkcs7Attributes);
191
192	RTDECL(int) RTCrPkcs7Attributes_HashAttributes(PRTCRPKCS7ATTRIBUTES pAttributes, RTCRDIGEST hDigest, PRTERRINFO pErrInfo);
193
194
195	/**
196	* One PKCS \#7 SignerInfo (IPRT representation).
197	*/
198	typedef struct RTCRPKCS7SIGNERINFO
199	{
200	/** Sequence core. */
201	RTASN1SEQUENCECORE SeqCore;
202	/** The structure version (RTCRPKCS7SIGNERINFO_V1). */
203	RTASN1INTEGER Version;
204	/** The issuer and serial number of the certificate used to produce the
205	* encrypted digest below. */
206	RTCRPKCS7ISSUERANDSERIALNUMBER IssuerAndSerialNumber;
207	/** The digest algorithm use to digest the signed content. */
208	RTCRX509ALGORITHMIDENTIFIER DigestAlgorithm;
209	/** Authenticated attributes, optional [0].
210	* @todo Check how other producers formats this. The microsoft one does not
211	* have explicit tags, but combines it with the SET OF. */
212	RTCRPKCS7ATTRIBUTES AuthenticatedAttributes;
213	/** The digest encryption algorithm use to encrypt the digest of the signed
214	* content. */
215	RTCRX509ALGORITHMIDENTIFIER DigestEncryptionAlgorithm;
216	/** The encrypted digest. */
217	RTASN1OCTETSTRING EncryptedDigest;
218	/** Unauthenticated attributes, optional [1].
219	* @todo Check how other producers formats this. The microsoft one does not
220	* have explicit tags, but combines it with the SET OF. */
221	RTCRPKCS7ATTRIBUTES UnauthenticatedAttributes;
222	} RTCRPKCS7SIGNERINFO;
223	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7SIGNERINFO, RTDECL, RTCrPkcs7SignerInfo, SeqCore.Asn1Core);
224
225	RTDECL(int) RTCrPkcs7SignerInfo_SetAuthenticatedAttributes(PRTCRPKCS7SIGNERINFO pThis, PCRTCRPKCS7ATTRIBUTES pAttributes,
226	PCRTASN1ALLOCATORVTABLE pAllocator);
227	RTDECL(int) RTCrPkcs7SignerInfo_SetUnauthenticatedAttributes(PRTCRPKCS7SIGNERINFO pThis, PCRTCRPKCS7ATTRIBUTES pAttributes,
228	PCRTASN1ALLOCATORVTABLE pAllocator);
229
230	/** RTCRPKCS7SIGNERINFO::Version value. */
231	#define RTCRPKCS7SIGNERINFO_V1 1
232
233	/** @name PKCS \#9 Attribute IDs
234	* @{ */
235	/** Content type (RFC-2630 11.1).
236	* Value: Object Identifier */
237	#define RTCR_PKCS9_ID_CONTENT_TYPE_OID "1.2.840.113549.1.9.3"
238	/** Message digest (RFC-2630 11.2).
239	* Value: Octet string. */
240	#define RTCR_PKCS9_ID_MESSAGE_DIGEST_OID "1.2.840.113549.1.9.4"
241	/** Signing time (RFC-2630 11.3).
242	* Value: Octet string. */
243	#define RTCR_PKCS9_ID_SIGNING_TIME_OID "1.2.840.113549.1.9.5"
244	/** Counter signature (RFC-2630 11.4).
245	* Value: SignerInfo. */
246	#define RTCR_PKCS9_ID_COUNTER_SIGNATURE_OID "1.2.840.113549.1.9.6"
247	/** Microsoft timestamp (RTF-3161) counter signature (SignedData).
248	* @remarks This isn't defined by PKCS \#9, but lumped in here for convenience. It's actually listed as SPC by MS. */
249	#define RTCR_PKCS9_ID_MS_TIMESTAMP "1.3.6.1.4.1.311.3.3.1"
250	/** Microsoft nested PKCS\#7 signature.
251	* @remarks This isn't defined by PKCS \#9, but lumped in here for convenience. */
252	#define RTCR_PKCS9_ID_MS_NESTED_SIGNATURE "1.3.6.1.4.1.311.2.4.1"
253	/** Microsoft statement type.
254	* @remarks This isn't defined by PKCS \#9, but lumped in here for convenience. It's actually listed as SPC by MS. */
255	#define RTCR_PKCS9_ID_MS_STATEMENT_TYPE "1.3.6.1.4.1.311.2.1.11"
256	/** Microsoft opus info.
257	* @remarks This isn't defined by PKCS \#9, but lumped in here for convenience. It's actually listed as SPC by MS. */
258	#define RTCR_PKCS9_ID_MS_SP_OPUS_INFO "1.3.6.1.4.1.311.2.1.12"
259	/** Apple code signing multi-code-directory plist.
260	* @remarks This isn't defined by PKCS \#9, but lumped in here for convenience. */
261	#define RTCR_PKCS9_ID_APPLE_MULTI_CD_PLIST "1.2.840.113635.100.9.1"
262	/** @} */
263
264
265	/**
266	* Get the (next) signing time attribute from the specfied SignerInfo or one of
267	* the immediate counter signatures.
268	*
269	* @returns Pointer to the signing time if found, NULL if not.
270	* @param pThis The SignerInfo to search.
271	* @param ppSignerInfo Pointer to variable keeping track of the
272	* enumeration, optional.
273	*
274	* If specified the input value is taken to the be
275	* SignerInfo of the previously returned signing
276	* time. The value pointed to is NULL, the
277	* search/enum restarts.
278	*
279	* On successful return this is set to the
280	* SignerInfo which we found the signing time in.
281	*/
282	RTDECL(PCRTASN1TIME) RTCrPkcs7SignerInfo_GetSigningTime(PCRTCRPKCS7SIGNERINFO pThis, PCRTCRPKCS7SIGNERINFO *ppSignerInfo);
283
284
285	/**
286	* Get the (first) timestamp from within a Microsoft timestamp server counter
287	* signature.
288	*
289	* @returns Pointer to the signing time if found, NULL if not.
290	* @param pThis The SignerInfo to search.
291	* @param ppContentInfoRet Where to return the pointer to the counter
292	* signature, optional.
293	*/
294	RTDECL(PCRTASN1TIME) RTCrPkcs7SignerInfo_GetMsTimestamp(PCRTCRPKCS7SIGNERINFO pThis,
295	struct RTCRPKCS7CONTENTINFO const **ppContentInfoRet);
296
297
298
299	/**
300	* PKCS \#7 ContentInfo (IPRT representation).
301	*/
302	typedef struct RTCRPKCS7CONTENTINFO
303	{
304	/** Sequence core. */
305	RTASN1SEQUENCECORE SeqCore;
306	/** Object ID identifying the content below. */
307	RTASN1OBJID ContentType;
308	/** Content, optional, explicit tag 0.
309	*
310	* Hack alert! This should've been an explict context tag 0 structure with a
311	* type selected according to ContentType. However, it's simpler to replace the
312	* explicit context with an OCTET STRING with implict tag 0. Then we can tag
313	* along on the encapsulation logic RTASN1OCTETSTRING provides for the dynamic
314	* inner type. The default decoder code will detect known structures as
315	* outlined in the union below, and decode the octet string content as an
316	* anonymous RTASN1CORE if not known.
317	*
318	* If the user want to decode the octet string content differently, it can do so
319	* by destroying and freeing the current encapsulated pointer, replacing it with
320	* it's own. (Of course following the RTASN1OCTETSTRING rules.) Just remember
321	* to also update the value in the union.
322	*
323	* @remarks What's signed and verified is Content.pEncapsulated->uData.pv.
324	*/
325	RTASN1OCTETSTRING Content;
326	/** Pointer to the CMS octet string that's inside the Content, NULL if PKCS \#7.
327	*
328	* Hack alert! When transitioning from PKCS \#7 to CMS, the designers decided to
329	* change things and add another wrapper. This time we're talking about a real
330	* octet string, not like the one above which is really an explicit content tag.
331	* When constructing or decoding CMS content, this will be the same pointer as
332	* Content.pEncapsulated, while the union below will be holding the same pointer
333	* as pCmsContent->pEncapsulated.
334	*/
335	PRTASN1OCTETSTRING pCmsContent;
336	/** Same as Content.pEncapsulated, except a choice of known types. */
337	union
338	{
339	/** ContentType is RTCRPKCS7SIGNEDDATA_OID. */
340	struct RTCRPKCS7SIGNEDDATA *pSignedData;
341	/** ContentType is RTCRSPCINDIRECTDATACONTENT_OID. */
342	struct RTCRSPCINDIRECTDATACONTENT *pIndirectDataContent;
343	/** ContentType is RTCRTSPTSTINFO_OID. */
344	struct RTCRTSPTSTINFO *pTstInfo;
345	/** Generic / Unknown / User. */
346	PRTASN1CORE pCore;
347	} u;
348	} RTCRPKCS7CONTENTINFO;
349	/** Pointer to the IPRT representation of a PKCS \#7 ContentInfo. */
350	typedef RTCRPKCS7CONTENTINFO *PRTCRPKCS7CONTENTINFO;
351	/** Pointer to the const IPRT representation of a PKCS \#7 ContentInfo. */
352	typedef RTCRPKCS7CONTENTINFO const *PCRTCRPKCS7CONTENTINFO;
353	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7CONTENTINFO, RTDECL, RTCrPkcs7ContentInfo, SeqCore.Asn1Core);
354	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTCRPKCS7SETOFCONTENTINFOS, RTCRPKCS7CONTENTINFO, RTDECL, RTCrPkcs7SetOfContentInfos);
355
356	RTDECL(bool) RTCrPkcs7ContentInfo_IsSignedData(PCRTCRPKCS7CONTENTINFO pThis);
357
358
359	/**
360	* PKCS \#7 Certificate choice.
361	*/
362	typedef enum RTCRPKCS7CERTCHOICE
363	{
364	RTCRPKCS7CERTCHOICE_INVALID = 0,
365	RTCRPKCS7CERTCHOICE_X509,
366	RTCRPKCS7CERTCHOICE_EXTENDED_PKCS6,
367	RTCRPKCS7CERTCHOICE_AC_V1,
368	RTCRPKCS7CERTCHOICE_AC_V2,
369	RTCRPKCS7CERTCHOICE_OTHER,
370	RTCRPKCS7CERTCHOICE_END,
371	RTCRPKCS7CERTCHOICE_32BIT_HACK = 0x7fffffff
372	} RTCRPKCS7CERTCHOICE;
373
374
375	/**
376	* Common representation for PKCS \#7 ExtendedCertificateOrCertificate and the
377	* CMS CertificateChoices types.
378	*/
379	typedef struct RTCRPKCS7CERT
380	{
381	/** Dummy ASN.1 record, not encoded. */
382	RTASN1DUMMY Dummy;
383	/** The value allocation. */
384	RTASN1ALLOCATION Allocation;
385	/** The choice of value. */
386	RTCRPKCS7CERTCHOICE enmChoice;
387	/** The value union. */
388	union
389	{
390	/** Standard X.509 certificate (RTCRCMSCERTIFICATECHOICE_X509). */
391	PRTCRX509CERTIFICATE pX509Cert;
392	/** Extended PKCS \#6 certificate (RTCRCMSCERTIFICATECHOICE_EXTENDED_PKCS6). */
393	PRTASN1CORE pExtendedCert;
394	/** Attribute certificate version 1 (RTCRCMSCERTIFICATECHOICE_AC_V1). */
395	PRTASN1CORE pAcV1;
396	/** Attribute certificate version 2 (RTCRCMSCERTIFICATECHOICE_AC_V2). */
397	PRTASN1CORE pAcV2;
398	/** Other certificate (RTCRCMSCERTIFICATECHOICE_OTHER). */
399	PRTASN1CORE pOtherCert;
400	} u;
401	} RTCRPKCS7CERT;
402	/** Pointer to the IPRT representation of PKCS \#7 or CMS certificate. */
403	typedef RTCRPKCS7CERT *PRTCRPKCS7CERT;
404	/** Pointer to the const IPRT representation of PKCS \#7 or CMS certificate. */
405	typedef RTCRPKCS7CERT const *PCRTCRPKCS7CERT;
406	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7CERT, RTDECL, RTCrPkcs7Cert, Dummy.Asn1Core);
407	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTCRPKCS7SETOFCERTS, RTCRPKCS7CERT, RTDECL, RTCrPkcs7SetOfCerts);
408
409	RTDECL(int) RTCrPkcs7Cert_SetX509Cert(PRTCRPKCS7CERT pThis, PCRTCRX509CERTIFICATE pToClone, PCRTASN1ALLOCATORVTABLE pAllocator);
410	RTDECL(int) RTCrPkcs7Cert_SetExtendedCert(PRTCRPKCS7CERT pThis, PCRTASN1CORE pToClone, PCRTASN1ALLOCATORVTABLE pAllocator);
411	RTDECL(int) RTCrPkcs7Cert_SetAcV1(PRTCRPKCS7CERT pThis, PCRTASN1CORE pToClone, PCRTASN1ALLOCATORVTABLE pAllocator);
412	RTDECL(int) RTCrPkcs7Cert_SetAcV2(PRTCRPKCS7CERT pThis, PCRTASN1CORE pToClone, PCRTASN1ALLOCATORVTABLE pAllocator);
413	RTDECL(int) RTCrPkcs7Cert_SetOtherCert(PRTCRPKCS7CERT pThis, PCRTASN1CORE pToClone, PCRTASN1ALLOCATORVTABLE pAllocator);
414
415	RTDECL(PCRTCRX509CERTIFICATE) RTCrPkcs7SetOfCerts_FindX509ByIssuerAndSerialNumber(PCRTCRPKCS7SETOFCERTS pCertificates,
416	PCRTCRX509NAME pIssuer,
417	PCRTASN1INTEGER pSerialNumber);
418
419
420	/**
421	* PKCS \#7 SignedData (IPRT representation).
422	*/
423	typedef struct RTCRPKCS7SIGNEDDATA
424	{
425	/** Sequence core. */
426	RTASN1SEQUENCECORE SeqCore;
427	/** The structure version value (1). */
428	RTASN1INTEGER Version;
429	/** The digest algorithms that are used to signed the content (ContentInfo). */
430	RTCRX509ALGORITHMIDENTIFIERS DigestAlgorithms;
431	/** The content that's being signed. */
432	RTCRPKCS7CONTENTINFO ContentInfo;
433	/** Certificates, optional, implicit tag 0. (Required by Authenticode.) */
434	RTCRPKCS7SETOFCERTS Certificates;
435	/** Certificate revocation lists, optional, implicit tag 1.
436	* Not used by Authenticode, so currently stubbed. */
437	RTASN1CORE Crls;
438	/** Signer infos. */
439	RTCRPKCS7SIGNERINFOS SignerInfos;
440	} RTCRPKCS7SIGNEDDATA;
441	/** Pointer to the IPRT representation of a PKCS \#7 SignedData. */
442	typedef RTCRPKCS7SIGNEDDATA *PRTCRPKCS7SIGNEDDATA;
443	/** Pointer to the const IPRT representation of a PKCS \#7 SignedData. */
444	typedef RTCRPKCS7SIGNEDDATA const *PCRTCRPKCS7SIGNEDDATA;
445	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7SIGNEDDATA, RTDECL, RTCrPkcs7SignedData, SeqCore.Asn1Core);
446	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTCRPKCS7SETOFSIGNEDDATA, RTCRPKCS7SIGNEDDATA, RTDECL, RTCrPkcs7SetOfSignedData);
447
448	/** PKCS \#7 SignedData object ID. */
449	#define RTCRPKCS7SIGNEDDATA_OID RTCR_PKCS7_SIGNED_DATA_OID
450
451	/** PKCS \#7 SignedData version number 1. */
452	#define RTCRPKCS7SIGNEDDATA_V1 1
453	/* No version 2 seems to exist. */
454	/** CMS SignedData version number 3.
455	* This should only be used if there are version 1 attribute certificates
456	* present, or if there are version 3 SignerInfo items present, or if
457	* enmcCountInfo is not id-data (RFC-5652, section 5.1). */
458	#define RTCRPKCS7SIGNEDDATA_V3 3
459	/** CMS SignedData version number 4.
460	* This should only be used if there are version 2 attribute certificates
461	* present (RFC-5652, section 5.1). */
462	#define RTCRPKCS7SIGNEDDATA_V4 4
463	/** CMS SignedData version number 5.
464	* This should only be used if there are certificates or/and CRLs of the
465	* OTHER type present (RFC-5652, section 5.1). */
466	#define RTCRPKCS7SIGNEDDATA_V5 5
467
468	RTDECL(int) RTCrPkcs7SignedData_SetCertificates(PRTCRPKCS7SIGNEDDATA pThis, PCRTCRPKCS7SETOFCERTS pCerts, PCRTASN1ALLOCATORVTABLE pAllocator);
469	RTDECL(int) RTCrPkcs7SignedData_SetCrls(PRTCRPKCS7SIGNEDDATA pThis, PCRTASN1CORE pCerts, PCRTASN1ALLOCATORVTABLE pAllocator);
470
471	/** @name RTCRPKCS7SIGNEDDATA_SANITY_F_XXX - Flags for RTPkcs7SignedDataCheckSantiy.
472	* @{ */
473	/** Check for authenticode restrictions. */
474	#define RTCRPKCS7SIGNEDDATA_SANITY_F_AUTHENTICODE RT_BIT_32(0)
475	/** Check that all the hash algorithms are known to IPRT. */
476	#define RTCRPKCS7SIGNEDDATA_SANITY_F_ONLY_KNOWN_HASH RT_BIT_32(1)
477	/** Require signing certificate to be present. */
478	#define RTCRPKCS7SIGNEDDATA_SANITY_F_SIGNING_CERT_PRESENT RT_BIT_32(2)
479	/** @} */
480
481	/** PKCS\#7/CMS (content info) markers. */
482	extern RTDATADECL(RTCRPEMMARKER const) g_aRTCrPkcs7Markers[];
483	/** Number of entries in g_aRTCrPkcs7Markers. */
484	extern RTDATADECL(uint32_t const) g_cRTCrPkcs7Markers;
485
486	/** @name Flags for RTCrPkcs7ContentInfo_ReadFromBuffer
487	* @{ */
488	/** Only allow PEM certificates, not binary ones.
489	* @sa RTCRPEMREADFILE_F_ONLY_PEM */
490	#define RTCRPKCS7_READ_F_PEM_ONLY RT_BIT(1)
491	/** @} */
492
493	RTDECL(int) RTCrPkcs7_ReadFromBuffer(PRTCRPKCS7CONTENTINFO pContentInfo, const void *pvBuf, size_t cbBuf,
494	uint32_t fFlags, PCRTASN1ALLOCATORVTABLE pAllocator,
495	bool pfCmsLabeled, PRTERRINFO pErrInfo, const char pszErrorTag);
496
497
498	/**
499	* PKCS \#7 DigestInfo (IPRT representation).
500	*/
501	typedef struct RTCRPKCS7DIGESTINFO
502	{
503	/** Sequence core. */
504	RTASN1SEQUENCECORE SeqCore;
505	/** The digest algorithm use to digest the signed content. */
506	RTCRX509ALGORITHMIDENTIFIER DigestAlgorithm;
507	/** The digest. */
508	RTASN1OCTETSTRING Digest;
509	} RTCRPKCS7DIGESTINFO;
510	/** Pointer to the IPRT representation of a PKCS \#7 DigestInfo object. */
511	typedef RTCRPKCS7DIGESTINFO *PRTCRPKCS7DIGESTINFO;
512	/** Pointer to the const IPRT representation of a PKCS \#7 DigestInfo object. */
513	typedef RTCRPKCS7DIGESTINFO const *PCRTCRPKCS7DIGESTINFO;
514	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRPKCS7DIGESTINFO, RTDECL, RTCrPkcs7DigestInfo, SeqCore.Asn1Core);
515
516
517	/**
518	* Callback function for use with RTCrPkcs7VerifySignedData.
519	*
520	* @returns IPRT status code.
521	* @param pCert The certificate to verify.
522	* @param hCertPaths Unless the certificate is trusted directly, this
523	* is a reference to the certificate path builder
524	* and verifier instance that we used to establish
525	* at least valid trusted path to @a pCert. The
526	* callback can use this to enforce additional
527	* certificate lineage requirements, effective
528	* policy checks and whatnot.
529	* This is NIL_RTCRX509CERTPATHS if the certificate
530	* is directly trusted.
531	* @param fFlags Mix of the RTCRPKCS7VCC_F_XXX flags.
532	* @param pvUser The user argument.
533	* @param pErrInfo Optional error info buffer.
534	*/
535	typedef DECLCALLBACKTYPE(int, FNRTCRPKCS7VERIFYCERTCALLBACK,(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths,
536	uint32_t fFlags, void *pvUser, PRTERRINFO pErrInfo));
537	/** Pointer to a FNRTCRPKCS7VERIFYCERTCALLBACK callback. */
538	typedef FNRTCRPKCS7VERIFYCERTCALLBACK *PFNRTCRPKCS7VERIFYCERTCALLBACK;
539
540	/** @name RTCRPKCS7VCC_F_XXX - Flags for FNRTCRPKCS7VERIFYCERTCALLBACK.
541	* @{ */
542	/** Normal callback for a direct signatory of the signed data. */
543	#define RTCRPKCS7VCC_F_SIGNED_DATA RT_BIT_32(0)
544	/** Check that the signatory can be trusted for timestamps. */
545	#define RTCRPKCS7VCC_F_TIMESTAMP RT_BIT_32(1)
546	/** @} */
547
548	/**
549	* @callback_method_impl{FNRTCRPKCS7VERIFYCERTCALLBACK,
550	* Default implementation that checks for the DigitalSignature KeyUsage bit.}
551	*/
552	RTDECL(int) RTCrPkcs7VerifyCertCallbackDefault(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths, uint32_t fFlags,
553	void *pvUser, PRTERRINFO pErrInfo);
554
555	/**
556	* @callback_method_impl{FNRTCRPKCS7VERIFYCERTCALLBACK,
557	* Standard code signing. Use this for Microsoft SPC.}
558	*/
559	RTDECL(int) RTCrPkcs7VerifyCertCallbackCodeSigning(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths, uint32_t fFlags,
560	void *pvUser, PRTERRINFO pErrInfo);
561
562	/**
563	* Verifies PKCS \#7 SignedData.
564	*
565	* For compatability with alternative crypto providers, the user must work on
566	* the top level PKCS \#7 structure instead directly on the SignedData.
567	*
568	* @returns IPRT status code.
569	* @param pContentInfo PKCS \#7 content info structure.
570	* @param fFlags RTCRPKCS7VERIFY_SD_F_XXX.
571	* @param hAdditionalCerts Store containing additional certificates to
572	* supplement those mentioned in the signed data.
573	* @param hTrustedCerts Store containing trusted certificates.
574	* @param pValidationTime The time we're supposed to validate the
575	* certificates chains at. Ignored for signatures
576	* with valid signing time attributes.
577	* When RTCRPKCS7VERIFY_SD_F_UPDATE_VALIDATION_TIME
578	* is set, this is updated to the actual validation
579	* time used.
580	* @param pfnVerifyCert Callback for checking that a certificate used
581	* for signing the data is suitable.
582	* @param pvUser User argument for the callback.
583	* @param pErrInfo Optional error info buffer.
584	* @sa RTCrPkcs7VerifySignedDataWithExternalData
585	*/
586	RTDECL(int) RTCrPkcs7VerifySignedData(PCRTCRPKCS7CONTENTINFO pContentInfo, uint32_t fFlags,
587	RTCRSTORE hAdditionalCerts, RTCRSTORE hTrustedCerts,
588	PCRTTIMESPEC pValidationTime, PFNRTCRPKCS7VERIFYCERTCALLBACK pfnVerifyCert, void *pvUser,
589	PRTERRINFO pErrInfo);
590
591
592	/**
593	* Verifies PKCS \#7 SignedData with external data.
594	*
595	* For compatability with alternative crypto providers, the user must work on
596	* the top level PKCS \#7 structure instead directly on the SignedData.
597	*
598	* @returns IPRT status code.
599	* @param pContentInfo PKCS \#7 content info structure.
600	* @param fFlags RTCRPKCS7VERIFY_SD_F_XXX.
601	* @param hAdditionalCerts Store containing additional certificates to
602	* supplement those mentioned in the signed data.
603	* @param hTrustedCerts Store containing trusted certificates.
604	* @param pValidationTime The time we're supposed to validate the
605	* certificates chains at. Ignored for signatures
606	* with valid signing time attributes.
607	* When RTCRPKCS7VERIFY_SD_F_UPDATE_VALIDATION_TIME
608	* is set, this is updated to the actual validation
609	* time used.
610	* @param pfnVerifyCert Callback for checking that a certificate used
611	* for signing the data is suitable.
612	* @param pvUser User argument for the callback.
613	* @param pvData The signed external data.
614	* @param cbData The size of the signed external data.
615	* @param pErrInfo Optional error info buffer.
616	* @sa RTCrPkcs7VerifySignedData
617	*/
618	RTDECL(int) RTCrPkcs7VerifySignedDataWithExternalData(PCRTCRPKCS7CONTENTINFO pContentInfo, uint32_t fFlags,
619	RTCRSTORE hAdditionalCerts, RTCRSTORE hTrustedCerts,
620	PCRTTIMESPEC pValidationTime,
621	PFNRTCRPKCS7VERIFYCERTCALLBACK pfnVerifyCert, void *pvUser,
622	void const *pvData, size_t cbData, PRTERRINFO pErrInfo);
623
624	/** @name RTCRPKCS7VERIFY_SD_F_XXX - Flags for RTCrPkcs7VerifySignedData and
625	* RTCrPkcs7VerifySignedDataWithExternalData
626	* @{ */
627	/** Always use the signing time attribute if present, requiring it to be
628	* verified as valid. The default behavior is to ignore unverifiable
629	* signing time attributes and use the @a pValidationTime instead. */
630	#define RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_SIGNING_TIME_IF_PRESENT RT_BIT_32(0)
631	/** Same as RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_SIGNING_TIME_IF_PRESENT for the MS
632	* timestamp counter signatures. */
633	#define RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_MS_TIMESTAMP_IF_PRESENT RT_BIT_32(1)
634	/** Only use signing time attributes from counter signatures. */
635	#define RTCRPKCS7VERIFY_SD_F_COUNTER_SIGNATURE_SIGNING_TIME_ONLY RT_BIT_32(2)
636	/** Don't validate the counter signature containing the signing time, just use
637	* it unverified. This is useful if we don't necessarily have the root
638	* certificates for the timestamp server handy, but use with great care.
639	* @sa RTCRPKCS7VERIFY_SD_F_USE_MS_TIMESTAMP_UNVERIFIED */
640	#define RTCRPKCS7VERIFY_SD_F_USE_SIGNING_TIME_UNVERIFIED RT_BIT_32(3)
641	/** Don't validate the MS counter signature containing the signing timestamp.
642	* @sa RTCRPKCS7VERIFY_SD_F_USE_SIGNING_TIME_UNVERIFIED */
643	#define RTCRPKCS7VERIFY_SD_F_USE_MS_TIMESTAMP_UNVERIFIED RT_BIT_32(4)
644	/** Do not consider timestamps in microsoft counter signatures. */
645	#define RTCRPKCS7VERIFY_SD_F_IGNORE_MS_TIMESTAMP RT_BIT_32(5)
646	/** The signed data requires certificates to have the timestamp extended
647	* usage bit present. This is used for recursivly verifying MS timestamp
648	* signatures. */
649	#define RTCRPKCS7VERIFY_SD_F_USAGE_TIMESTAMPING RT_BIT_32(6)
650	/** Skip the verification of the certificate trust paths, taking all
651	* certificates to be trustworthy. */
652	#define RTCRPKCS7VERIFY_SD_F_TRUST_ALL_CERTS RT_BIT_32(7)
653	/** Update @a pValidationTime with the actual validation time used.
654	* This requires RTCRPKCS7VERIFY_SD_F_HAS_SIGNER_INDEX to get a consistent
655	* result. And yeah, it unconst the parameter, which is patently ugly. */
656	#define RTCRPKCS7VERIFY_SD_F_UPDATE_VALIDATION_TIME RT_BIT_32(8)
657	/** Check trust anchors (@sa RTCrX509CertPathsSetTrustAnchorChecks). */
658	#define RTCRPKCS7VERIFY_SD_F_CHECK_TRUST_ANCHORS RT_BIT_32(9)
659
660	/** This can be used to only verify one given signer info.
661	* Max index value is 15. */
662	#define RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX(a_idxSignerInfo) \
663	( RTCRPKCS7VERIFY_SD_F_HAS_SIGNER_INDEX \
664	\| (((a_idxSignerInfo) & RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_MAX) << RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_SHIFT) )
665	/** Has a valid value in RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_MASK. */
666	#define RTCRPKCS7VERIFY_SD_F_HAS_SIGNER_INDEX RT_BIT_32(23)
667	/** Signer index shift value. */
668	#define RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_SHIFT 24
669	/** Signer index mask. */
670	#define RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_MASK UINT32_C(0x0f000000)
671	/** Max signer index value (inclusive). */
672	#define RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_MAX \
673	(RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_MASK >> RTCRPKCS7VERIFY_SD_F_SIGNER_INDEX_SHIFT)
674
675	/** Indicates internally that we're validating a counter signature and should
676	* use different rules when checking out the authenticated attributes.
677	* @internal */
678	#define RTCRPKCS7VERIFY_SD_F_COUNTER_SIGNATURE RT_BIT_32(31)
679	/** @} */
680
681
682	RTDECL(int) RTCrPkcs7SimpleSignSignedData(uint32_t fFlags, PCRTCRX509CERTIFICATE pSigner, RTCRKEY hPrivateKey,
683	void const *pvData, size_t cbData, RTDIGESTTYPE enmDigestType,
684	RTCRSTORE hAdditionalCerts, PCRTCRPKCS7ATTRIBUTES pAdditionalAuthenticatedAttribs,
685	void pvResult, size_t pcbResult, PRTERRINFO pErrInfo);
686
687	/** @name RTCRPKCS7SIGN_SD_F_XXX - Flags for RTCrPkcs7SimpleSign.
688	* @{ */
689	/** Detached data. */
690	#define RTCRPKCS7SIGN_SD_F_DEATCHED RT_BIT_32(0)
691	/** No SMIME capabilities attribute. */
692	#define RTCRPKCS7SIGN_SD_F_NO_SMIME_CAP RT_BIT_32(1)
693	/** Produce version 1 output (PKCS\#7), rather than version 3 (CMS). */
694	#define RTCRPKCS7SIGN_SD_F_USE_V1 RT_BIT_32(2)
695	/** Avoid extra OCTET STRING encapsulation around the data blob.
696	* This is needed for Authenticode signatures. This requires that the
697	* content type is supplied via the additional authenticated attributes.
698	* @note Currently only works with RTCRPKCS7SIGN_SD_F_USE_V1. */
699	#define RTCRPKCS7SIGN_SD_F_NO_DATA_ENCAP RT_BIT_32(3)
700	/** Valid flag mask. */
701	#define RTCRPKCS7SIGN_SD_F_VALID_MASK UINT32_C(0x0000000f)
702	/** @} */
703
704	/** @} */
705
706	RT_C_DECLS_END
707
708	#endif /* !IPRT_INCLUDED_crypto_pkcs7_h */
709

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