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b426beb6ee
Embed a public_key_signature struct in struct x509_certificate, eliminating now unnecessary fields, and split x509_check_signature() to create a filler function for it that attaches a digest of the signed data and an MPI that represents the signature data. x509_free_certificate() is then modified to deal with these. Whilst we're at it, export both x509_check_signature() and the new x509_get_sig_params(). Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Josh Boyer <jwboyer@redhat.com>
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* X.509 certificate parser internal definitions
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*
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* Copyright (C) 2012 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 <linux/time.h>
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#include <crypto/public_key.h>
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struct x509_certificate {
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struct x509_certificate *next;
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struct public_key *pub; /* Public key details */
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char *issuer; /* Name of certificate issuer */
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char *subject; /* Name of certificate subject */
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char *fingerprint; /* Key fingerprint as hex */
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char *authority; /* Authority key fingerprint as hex */
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struct tm valid_from;
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struct tm valid_to;
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const void *tbs; /* Signed data */
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unsigned tbs_size; /* Size of signed data */
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unsigned raw_sig_size; /* Size of sigature */
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const void *raw_sig; /* Signature data */
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struct public_key_signature sig; /* Signature parameters */
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};
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/*
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* x509_cert_parser.c
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*/
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extern void x509_free_certificate(struct x509_certificate *cert);
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extern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen);
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/*
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* x509_public_key.c
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*/
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extern int x509_get_sig_params(struct x509_certificate *cert);
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extern int x509_check_signature(const struct public_key *pub,
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struct x509_certificate *cert);
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