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48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
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/* $OpenBSD: x509_issuer_cache.h,v 1.1 2020/09/11 14:30:51 beck Exp $ */
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/*
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* Copyright (c) 2020 Bob Beck <beck@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* x509_issuer_cache */
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#ifndef HEADER_X509_ISSUER_CACHE_H
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#define HEADER_X509_ISSUER_CACHE_H
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#include <sys/tree.h>
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#include <sys/queue.h>
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#include <openssl/x509.h>
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__BEGIN_HIDDEN_DECLS
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struct x509_issuer {
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RB_ENTRY(x509_issuer) entry;
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TAILQ_ENTRY(x509_issuer) queue; /* LRU of entries */
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/* parent_md and child_md must point to EVP_MAX_MD_SIZE of memory */
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unsigned char *parent_md;
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unsigned char *child_md;
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int valid; /* Result of signature validation. */
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};
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#define X509_ISSUER_CACHE_MAX 40000 /* Approx 7.5 MB, entries 200 bytes */
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int x509_issuer_cache_set_max(size_t max);
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int x509_issuer_cache_find(unsigned char *parent_md, unsigned char *child_md);
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void x509_issuer_cache_add(unsigned char *parent_md, unsigned char *child_md,
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int valid);
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__END_HIDDEN_DECLS
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#endif
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