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https://github.com/torvalds/linux
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e68503bd68
Generalise system_verify_data() to provide access to internal content through a callback. This allows all the PKCS#7 stuff to be hidden inside this function and removed from the PE file parser and the PKCS#7 test key. If external content is not required, NULL should be passed as data to the function. If the callback is not required, that can be set to NULL. The function is now called verify_pkcs7_signature() to contrast with verify_pefile_signature() and the definitions of both have been moved into linux/verification.h along with the key_being_used_for enum. Signed-off-by: David Howells <dhowells@redhat.com>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* 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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <crypto/pkcs7.h>
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#include <crypto/hash_info.h>
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struct pefile_context {
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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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/* 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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#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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/*
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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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