spc.h@ 83941

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1	/** @file
2	* IPRT - Crypto - Microsoft SPC / Authenticode.
3	*/
4
5	/*
6	* Copyright (C) 2006-2020 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef IPRT_INCLUDED_crypto_spc_h
27	#define IPRT_INCLUDED_crypto_spc_h
28	#ifndef RT_WITHOUT_PRAGMA_ONCE
29	# pragma once
30	#endif
31
32	#include <iprt/asn1.h>
33	#include <iprt/crypto/x509.h>
34	#include <iprt/crypto/pkcs7.h>
35	#include <iprt/md5.h>
36	#include <iprt/sha.h>
37
38
39	RT_C_DECLS_BEGIN
40
41	/** @defgroup grp_rt_cr_spc RTCrSpc - Microsoft Authenticode
42	* @ingroup grp_rt_crypto
43	* @{
44	*/
45
46	/**
47	* PE Image page hash table, generic union.
48	*
49	* @remarks This table isn't used by ldrPE.cpp, it walks the table in a generic
50	* fashion using the hash size. So, we can ditch it if we feel like it.
51	*/
52	typedef union RTCRSPCPEIMAGEPAGEHASHES
53	{
54	/** MD5 page hashes. */
55	struct
56	{
57	/** The file offset. */
58	uint32_t offFile;
59	/** The hash. */
60	uint8_t abHash[RTSHA1_HASH_SIZE];
61	} aMd5[1];
62
63	/** SHA-1 page hashes. */
64	struct
65	{
66	/** The file offset. */
67	uint32_t offFile;
68	/** The hash. */
69	uint8_t abHash[RTSHA1_HASH_SIZE];
70	} aSha1[1];
71
72	/** SHA-256 page hashes. */
73	struct
74	{
75	/** The file offset. */
76	uint32_t offFile;
77	/** The hash. */
78	uint8_t abHash[RTSHA256_HASH_SIZE];
79	} aSha256[1];
80
81	/** SHA-512 page hashes. */
82	struct
83	{
84	/** The file offset. */
85	uint32_t offFile;
86	/** The hash. */
87	uint8_t abHash[RTSHA512_HASH_SIZE];
88	} aSha512[1];
89
90	/** Generic view of ONE hash. */
91	struct
92	{
93	/** The file offset. */
94	uint32_t offFile;
95	/** Variable length hash field. */
96	uint8_t abHash[1];
97	} Generic;
98	} RTCRSPCPEIMAGEPAGEHASHES;
99	/** Pointer to a PE image page hash table union. */
100	typedef RTCRSPCPEIMAGEPAGEHASHES *PRTCRSPCPEIMAGEPAGEHASHES;
101	/** Pointer to a const PE image page hash table union. */
102	typedef RTCRSPCPEIMAGEPAGEHASHES const *PCRTCRSPCPEIMAGEPAGEHASHES;
103
104
105	/**
106	* Serialization wrapper for raw RTCRSPCPEIMAGEPAGEHASHES data.
107	*/
108	typedef struct RTCRSPCSERIALIZEDPAGEHASHES
109	{
110	/** The page hashes are within a set. Dunno if there could be multiple
111	* entries in this set, never seen it yet, so I doubt it. */
112	RTASN1SETCORE SetCore;
113	/** Octet string containing the raw data. */
114	RTASN1OCTETSTRING RawData;
115
116	/** Pointer to the hash data within that string.
117	* The hash algorithm is given by the object attribute type in
118	* RTCRSPCSERIALIZEDOBJECTATTRIBUTE. It is generally the same as for the
119	* whole image hash. */
120	PCRTCRSPCPEIMAGEPAGEHASHES pData;
121	/** Field the user can use to store the number of pages in pData. */
122	uint32_t cPages;
123	} RTCRSPCSERIALIZEDPAGEHASHES;
124	/** Pointer to a serialized wrapper for page hashes. */
125	typedef RTCRSPCSERIALIZEDPAGEHASHES *PRTCRSPCSERIALIZEDPAGEHASHES;
126	/** Pointer to a const serialized wrapper for page hashes. */
127	typedef RTCRSPCSERIALIZEDPAGEHASHES const *PCRTCRSPCSERIALIZEDPAGEHASHES;
128	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCSERIALIZEDPAGEHASHES, RTDECL, RTCrSpcSerializedPageHashes, SetCore.Asn1Core);
129
130	RTDECL(int) RTCrSpcSerializedPageHashes_UpdateDerivedData(PRTCRSPCSERIALIZEDPAGEHASHES pThis);
131
132
133	/**
134	* Data type selection for RTCRSPCSERIALIZEDOBJECTATTRIBUTE.
135	*/
136	typedef enum RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE
137	{
138	/** Invalid zero entry. */
139	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_INVALID = 0,
140	/** Not present pro forma. */
141	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_NOT_PRESENT,
142	/** Unknown object. */
143	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_UNKNOWN,
144	/** SHA-1 page hashes (pPageHashes). */
145	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V1,
146	/** SHA-256 page hashes (pPageHashes). */
147	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V2,
148	/** End of valid values. */
149	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_END,
150	/** Blow up the type to at least 32-bits. */
151	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_32BIT_HACK
152	} RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE;
153
154	/**
155	* One serialized object attribute (PE image data).
156	*/
157	typedef struct RTCRSPCSERIALIZEDOBJECTATTRIBUTE
158	{
159	/** Sequence core. */
160	RTASN1SEQUENCECORE SeqCore;
161	/** The attribute type. */
162	RTASN1OBJID Type;
163	/** The allocation of the data type. */
164	RTASN1ALLOCATION Allocation;
165	/** Indicates the valid value in the union. */
166	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE enmType;
167	/** Union with data format depending on the Type. */
168	union
169	{
170	/** The unknown value (RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_UNKNOWN). */
171	PRTASN1CORE pCore;
172	/** Page hashes (RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V1 or
173	* RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V2). */
174	PRTCRSPCSERIALIZEDPAGEHASHES pPageHashes;
175	} u;
176	} RTCRSPCSERIALIZEDOBJECTATTRIBUTE;
177	/** Pointer to a serialized object attribute. */
178	typedef RTCRSPCSERIALIZEDOBJECTATTRIBUTE *PRTCRSPCSERIALIZEDOBJECTATTRIBUTE;
179	/** Pointer to a const serialized object attribute. */
180	typedef RTCRSPCSERIALIZEDOBJECTATTRIBUTE const *PCRTCRSPCSERIALIZEDOBJECTATTRIBUTE;
181	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCSERIALIZEDOBJECTATTRIBUTE, RTDECL, RTCrSpcSerializedObjectAttribute, SeqCore.Asn1Core);
182
183	/** @name RTCRSPCSERIALIZEDOBJECTATTRIBUTE::Type values
184	* @{ */
185	/** Serialized object attribute type for page hashes version 1. */
186	#define RTCRSPC_PE_IMAGE_HASHES_V1_OID "1.3.6.1.4.1.311.2.3.1"
187	/** Serialized object attribute type for page hashes version 2. */
188	#define RTCRSPC_PE_IMAGE_HASHES_V2_OID "1.3.6.1.4.1.311.2.3.2"
189	/** @} */
190
191
192	/*
193	* Set of serialized object attributes (PE image data).
194	*/
195	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTCRSPCSERIALIZEDOBJECTATTRIBUTES, RTCRSPCSERIALIZEDOBJECTATTRIBUTE, RTDECL,
196	RTCrSpcSerializedObjectAttributes);
197
198	/** The UUID found in RTCRSPCSERIALIZEDOBJECT::Uuid for
199	* RTCRSPCSERIALIZEDOBJECTATTRIBUTES. */
200	#define RTCRSPCSERIALIZEDOBJECT_UUID_STR "d586b5a6-a1b4-6624-ae05-a217da8e60d6"
201
202
203	/**
204	* Decoded encapsulated data type selection in RTCRSPCSERIALIZEDOBJECT.
205	*/
206	typedef enum RTCRSPCSERIALIZEDOBJECTTYPE
207	{
208	/** Invalid zero value. */
209	RTCRSPCSERIALIZEDOBJECTTYPE_INVALID = 0,
210	/** Serialized object attributes (RTCRSPCSERIALIZEDOBJECT_UUID_STR / pAttribs). */
211	RTCRSPCSERIALIZEDOBJECTTYPE_ATTRIBUTES,
212	/** End of valid values. */
213	RTCRSPCSERIALIZEDOBJECTTYPE_END,
214	/** MAke sure the type is at least 32-bit wide. */
215	RTCRSPCSERIALIZEDOBJECTTYPE_32BIT_HACK = 0x7fffffff
216	} RTCRSPCSERIALIZEDOBJECTTYPE;
217
218	/**
219	* A serialized object (PE image data).
220	*/
221	typedef struct RTCRSPCSERIALIZEDOBJECT
222	{
223	/** Sequence core. */
224	RTASN1SEQUENCECORE SeqCore;
225	/** The UUID of the data object. */
226	RTASN1OCTETSTRING Uuid;
227	/** Serialized data object. */
228	RTASN1OCTETSTRING SerializedData;
229
230	/** Indicates the valid pointer in the union. */
231	RTCRSPCSERIALIZEDOBJECTTYPE enmType;
232	/** Union of pointers shadowing SerializedData.pEncapsulated. */
233	union
234	{
235	/** Generic core pointer. */
236	PRTASN1CORE pCore;
237	/** Pointer to decoded data if Uuid is RTCRSPCSERIALIZEDOBJECT_UUID_STR. */
238	PRTCRSPCSERIALIZEDOBJECTATTRIBUTES pData;
239	} u;
240	} RTCRSPCSERIALIZEDOBJECT;
241	/** Pointer to a serialized object (PE image data). */
242	typedef RTCRSPCSERIALIZEDOBJECT *PRTCRSPCSERIALIZEDOBJECT;
243	/** Pointer to a const serialized object (PE image data). */
244	typedef RTCRSPCSERIALIZEDOBJECT const *PCRTCRSPCSERIALIZEDOBJECT;
245	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCSERIALIZEDOBJECT, RTDECL, RTCrSpcSerializedObject, SeqCore.Asn1Core);
246
247
248	/**
249	* RTCRSPCSTRING choices.
250	*/
251	typedef enum RTCRSPCSTRINGCHOICE
252	{
253	/** Invalid zero value. */
254	RTCRSPCSTRINGCHOICE_INVALID = 0,
255	/** Not present. */
256	RTCRSPCSTRINGCHOICE_NOT_PRESENT,
257	/** UCS-2 string (pUcs2). */
258	RTCRSPCSTRINGCHOICE_UCS2,
259	/** ASCII string (pAscii). */
260	RTCRSPCSTRINGCHOICE_ASCII,
261	/** End of valid values. */
262	RTCRSPCSTRINGCHOICE_END,
263	/** Blow the type up to 32-bit. */
264	RTCRSPCSTRINGCHOICE_32BIT_HACK = 0x7fffffff
265	} RTCRSPCSTRINGCHOICE;
266
267	/**
268	* Stupid microsoft choosy string type.
269	*/
270	typedef struct RTCRSPCSTRING
271	{
272	/** Dummy core. */
273	RTASN1DUMMY Dummy;
274	/** Allocation of what the pointer below points to. */
275	RTASN1ALLOCATION Allocation;
276	/** Pointer choice.*/
277	RTCRSPCSTRINGCHOICE enmChoice;
278	/** Pointer union. */
279	union
280	{
281	/** Tag 0, implicit: UCS-2 (BMP) string. */
282	PRTASN1STRING pUcs2;
283	/** Tag 1, implicit: ASCII (IA5) string. */
284	PRTASN1STRING pAscii;
285	} u;
286	} RTCRSPCSTRING;
287	/** Pointer to a stupid microsoft string choice. */
288	typedef RTCRSPCSTRING *PRTCRSPCSTRING;
289	/** Pointer to a const stupid microsoft string choice. */
290	typedef RTCRSPCSTRING const *PCRTCRSPCSTRING;
291	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCSTRING, RTDECL, RTCrSpcString, Dummy.Asn1Core);
292
293
294	/**
295	* RTCRSPCSTRING choices.
296	*/
297	typedef enum RTCRSPCLINKCHOICE
298	{
299	/** Invalid zero value. */
300	RTCRSPCLINKCHOICE_INVALID = 0,
301	/** Not present. */
302	RTCRSPCLINKCHOICE_NOT_PRESENT,
303	/** URL (ASCII) string (pUrl). */
304	RTCRSPCLINKCHOICE_URL,
305	/** Serialized object (pMoniker). */
306	RTCRSPCLINKCHOICE_MONIKER,
307	/** Filename (pT2). */
308	RTCRSPCLINKCHOICE_FILE,
309	/** End of valid values. */
310	RTCRSPCLINKCHOICE_END,
311	/** Blow the type up to 32-bit. */
312	RTCRSPCLINKCHOICE_32BIT_HACK = 0x7fffffff
313	} RTCRSPCLINKCHOICE;
314
315	/**
316	* PE image data link.
317	*/
318	typedef struct RTCRSPCLINK
319	{
320	/** Dummy core. */
321	RTASN1DUMMY Dummy;
322	/** Allocation of what the pointer below points to. */
323	RTASN1ALLOCATION Allocation;
324	/** Pointer choice.*/
325	RTCRSPCLINKCHOICE enmChoice;
326	/** Pointer union. */
327	union
328	{
329	/** Tag 0, implicit: An URL encoded as an IA5 STRING. */
330	PRTASN1STRING pUrl;
331	/** Tag 1, implicit: A serialized object. */
332	PRTCRSPCSERIALIZEDOBJECT pMoniker;
333	/** Tag 2, explicit: The default, a file name.
334	* Documented to be set to "<<<Obsolete>>>" when used. */
335	struct
336	{
337	/** Context tag 2. */
338	RTASN1CONTEXTTAG2 CtxTag2;
339	/** The file name string. */
340	RTCRSPCSTRING File;
341	} *pT2;
342	} u;
343	} RTCRSPCLINK;
344	/** Poitner to a PE image data link. */
345	typedef RTCRSPCLINK *PRTCRSPCLINK;
346	/** Poitner to a const PE image data link. */
347	typedef RTCRSPCLINK const *PCRTCRSPCLINK;
348	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCLINK, RTDECL, RTCrSpcLink, Dummy.Asn1Core);
349
350
351	#if 0 /** @todo Might not be the correct bit order. */
352	/**
353	* Flag values for RTCRSPCPEIMAGEDATA::Flags and RTCRSPCPEIMAGEDATA::fFlags.
354	*/
355	typedef enum RTCRSPCPEIMAGEFLAGS
356	{
357	RTCRSPCPEIMAGEFLAGS_INCLUDE_RESOURCES = 0,
358	RTCRSPCPEIMAGEFLAGS_INCLUDE_DEBUG_INFO = 1,
359	RTCRSPCPEIMAGEFLAGS_IMPORT_ADDRESS_TABLE = 2
360	} RTCRSPCPEIMAGEFLAGS;
361	#endif
362
363
364	/**
365	* Authenticode PE Image data.
366	*/
367	typedef struct RTCRSPCPEIMAGEDATA
368	{
369	/** Sequence core. */
370	RTASN1SEQUENCECORE SeqCore;
371	/** One of the RTCRSPCPEIMAGEFLAGS value, default is
372	* RTCRSPCPEIMAGEFLAGS_INCLUDE_RESOURCES. Obsolete with v2 page hashes? */
373	RTASN1BITSTRING Flags;
374	/** Tag 0, explicit: Link to the data. */
375	struct
376	{
377	/** Context tag 0. */
378	RTASN1CONTEXTTAG0 CtxTag0;
379	/** Link to the data. */
380	RTCRSPCLINK File;
381	} T0;
382	} RTCRSPCPEIMAGEDATA;
383	/** Pointer to a authenticode PE image data representation. */
384	typedef RTCRSPCPEIMAGEDATA *PRTCRSPCPEIMAGEDATA;
385	/** Pointer to a const authenticode PE image data representation. */
386	typedef RTCRSPCPEIMAGEDATA const *PCRTCRSPCPEIMAGEDATA;
387	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCPEIMAGEDATA, RTDECL, RTCrSpcPeImageData, SeqCore.Asn1Core);
388
389	/** The object ID for SpcPeImageData. */
390	#define RTCRSPCPEIMAGEDATA_OID "1.3.6.1.4.1.311.2.1.15"
391
392
393	/**
394	* Data type selection for RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE.
395	*/
396	typedef enum RTCRSPCAAOVTYPE
397	{
398	/** Invalid zero entry. */
399	RTCRSPCAAOVTYPE_INVALID = 0,
400	/** Not present (pro forma). */
401	RTCRSPCAAOVTYPE_NOT_PRESENT,
402	/** Unknown object. */
403	RTCRSPCAAOVTYPE_UNKNOWN,
404	/** PE image data (pPeImage). */
405	RTCRSPCAAOVTYPE_PE_IMAGE_DATA,
406	/** End of valid values. */
407	RTCRSPCAAOVTYPE_END,
408	/** Blow up the type to at least 32-bits. */
409	RTCRSPCAAOVTYPE_32BIT_HACK
410	} RTCRSPCAAOVTYPE;
411
412	/**
413	* Authenticode attribute type and optional value.
414	*
415	* Note! Spec says the value should be explicitly tagged, but in real life
416	* it isn't. So, not very optional?
417	*/
418	typedef struct RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE
419	{
420	/** Sequence core. */
421	RTASN1SEQUENCECORE SeqCore;
422	/** An object ID indicating the type of the value. */
423	RTASN1OBJID Type;
424	/** Allocation of the optional data value. */
425	RTASN1ALLOCATION Allocation;
426	/** The valid pointer. */
427	RTCRSPCAAOVTYPE enmType;
428	/** The value part depends on the Type. */
429	union
430	{
431	/** RTCRSPCAAOVTYPE_UNKNOWN / Generic. */
432	PRTASN1CORE pCore;
433	/** RTCRSPCAAOVTYPE_PE_IMAGE_DATA / RTCRSPCPEIMAGEDATA_OID. */
434	PRTCRSPCPEIMAGEDATA pPeImage;
435	} uValue;
436	} RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE;
437	/** Pointer to a authentication attribute type and optional value
438	* representation. */
439	typedef RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE *PRTCRSPCATTRIBUTETYPEANDOPTIONALVALUE;
440	/** Pointer to a const authentication attribute type and optional value
441	* representation. */
442	typedef RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE const *PCRTCRSPCATTRIBUTETYPEANDOPTIONALVALUE;
443	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE, RTDECL, RTCrSpcAttributeTypeAndOptionalValue, SeqCore.Asn1Core);
444
445
446	/**
447	* Authenticode indirect data content.
448	*/
449	typedef struct RTCRSPCINDIRECTDATACONTENT
450	{
451	/** Sequence core. */
452	RTASN1SEQUENCECORE SeqCore;
453	/** Additional data. */
454	RTCRSPCATTRIBUTETYPEANDOPTIONALVALUE Data;
455	/** The whole image digest. */
456	RTCRPKCS7DIGESTINFO DigestInfo;
457	} RTCRSPCINDIRECTDATACONTENT;
458	/** Pointer to a authenticode indirect data content representation. */
459	typedef RTCRSPCINDIRECTDATACONTENT *PRTCRSPCINDIRECTDATACONTENT;
460	/** Pointer to a const authenticode indirect data content representation. */
461	typedef RTCRSPCINDIRECTDATACONTENT const *PCRTCRSPCINDIRECTDATACONTENT;
462	RTASN1TYPE_STANDARD_PROTOTYPES(RTCRSPCINDIRECTDATACONTENT, RTDECL, RTCrSpcIndirectDataContent, SeqCore.Asn1Core);
463
464	/** The object ID for SpcIndirectDataContent. */
465	#define RTCRSPCINDIRECTDATACONTENT_OID "1.3.6.1.4.1.311.2.1.4"
466
467	/**
468	* Check the sanity of an Authenticode SPCIndirectDataContent object.
469	*
470	* @returns IPRT status code
471	* @param pIndData The Authenticode SPCIndirectDataContent to
472	* check.
473	* @param pSignedData The related signed data object.
474	* @param fFlags RTCRSPCINDIRECTDATACONTENT_SANITY_F_XXX.
475	* @param pErrInfo Optional error info.
476	*/
477	RTDECL(int) RTCrSpcIndirectDataContent_CheckSanityEx(PCRTCRSPCINDIRECTDATACONTENT pIndData, PCRTCRPKCS7SIGNEDDATA pSignedData,
478	uint32_t fFlags, PRTERRINFO pErrInfo);
479	/** @name RTCRSPCINDIRECTDATACONTENT_SANITY_F_XXX for RTCrSpcIndirectDataContent_CheckSanityEx.
480	* @{ */
481	/** The digest hash algorithm must be known to IPRT. */
482	#define RTCRSPCINDIRECTDATACONTENT_SANITY_F_ONLY_KNOWN_HASH RT_BIT_32(0)
483	/** PE image signing, check expectations of the spec. */
484	#define RTCRSPCINDIRECTDATACONTENT_SANITY_F_PE_IMAGE RT_BIT_32(1)
485	/** @} */
486
487	/**
488	* Gets the first SPC serialized object attribute in a SPC PE image.
489	*
490	* @returns Pointer to the attribute with the given type, NULL if not found.
491	* @param pThis The Authenticode SpcIndirectDataContent.
492	* @param enmType The type of attribute to get.
493	*/
494	RTDECL(PCRTCRSPCSERIALIZEDOBJECTATTRIBUTE)
495	RTCrSpcIndirectDataContent_GetPeImageObjAttrib(PCRTCRSPCINDIRECTDATACONTENT pThis,
496	RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE enmType);
497
498	/** @} */
499
500	RT_C_DECLS_END
501
502	#endif /* !IPRT_INCLUDED_crypto_spc_h */
503

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