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In MS authenticode, pkcs7 should have data in its contentInfo field. This data is tagged with SpcIndirectData type and, for a signed PE image, provides a image's message digest as SpcPeImageData. This parser is used in image authentication to parse the field and retrieve a message digest. Imported from linux v5.19-rc, crypto/asymmetric_keys/mscode*. Checkpatch.pl generates tones of warnings, but those are not fixed for the sake of maintainability (importing from another source). Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* PE Binary parser bits
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*
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* Copyright (C) 2014 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <crypto/pkcs7.h>
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#ifndef __UBOOT__
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#include <crypto/hash_info.h>
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#endif
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struct pefile_context {
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#ifndef __UBOOT__
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unsigned header_size;
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unsigned image_checksum_offset;
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unsigned cert_dirent_offset;
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unsigned n_data_dirents;
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unsigned n_sections;
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unsigned certs_size;
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unsigned sig_offset;
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unsigned sig_len;
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const struct section_header *secs;
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#endif
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/* PKCS#7 MS Individual Code Signing content */
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const void *digest; /* Digest */
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unsigned digest_len; /* Digest length */
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const char *digest_algo; /* Digest algorithm */
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};
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#ifndef __UBOOT__
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#define kenter(FMT, ...) \
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pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)
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#define kleave(FMT, ...) \
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pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)
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#endif
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/*
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* mscode_parser.c
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*/
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extern int mscode_parse(void *_ctx, const void *content_data, size_t data_len,
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size_t asn1hdrlen);
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