xref: /freebsd/usr.sbin/uefisign/magic.h (revision 7899f917b1c0ea178f1d2be0cfb452086d079d23)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2014 The FreeBSD Foundation
5  *
6  * This software was developed by Edward Tomasz Napierala under sponsorship
7  * from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  */
31 
32 /*
33  * This file contains Authenticode-specific ASN.1 "configuration", used,
34  * after being processed by asprintf(3), as an input to ASN1_generate_nconf(3).
35  */
36 static const char *magic_fmt =
37 "asn1 = SEQUENCE:SpcIndirectDataContent\n"
38 "\n"
39 "[SpcIndirectDataContent]\n"
40 "a = SEQUENCE:SpcAttributeTypeAndOptionalValue\n"
41 "b = SEQUENCE:DigestInfo\n"
42 "\n"
43 "[SpcAttributeTypeAndOptionalValue]\n"
44 "# SPC_PE_IMAGE_DATAOBJ\n"
45 "a = OID:1.3.6.1.4.1.311.2.1.15\n"
46 "b = SEQUENCE:SpcPeImageData\n"
47 "\n"
48 "[SpcPeImageData]\n"
49 "a = FORMAT:HEX,BITSTRING:00\n"
50 /*
51  * Well, there should be some other struct here, "SPCLink", but it doesn't
52  * appear to be necessary for UEFI, and I have no idea how to synthesize it,
53  * as it uses the CHOICE type.
54  */
55 "\n"
56 "[DigestInfo]\n"
57 "a = SEQUENCE:AlgorithmIdentifier\n"
58 /*
59  * Here goes the digest computed from PE headers and sections.
60  */
61 "b = FORMAT:HEX,OCTETSTRING:%s\n"
62 "\n"
63 "[AlgorithmIdentifier]\n"
64 "a = OBJECT:sha256\n"
65 "b = NULL\n";
66