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86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
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/*-
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* Copyright (c) 2012 Universitetet i Oslo
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* Copyright (c) 2012 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Author: Dag-Erling Smørgrav <des@des.no>
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* Sponsor: the University of Oslo
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*
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* $Id$
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*/
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#ifndef CRYB_DIGEST_H_INCLUDED
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#define CRYB_DIGEST_H_INCLUDED
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typedef void *(*digest_init_func)(void);
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typedef void (*digest_update_func)(void *, const void *, size_t);
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typedef void (*digest_final_func)(void *, void *);
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typedef int (*digest_complete_func)(const void *, size_t, void *);
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struct digest_algorithm {
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const char *name; /* algorithm name */
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size_t ctxsize; /* size of context structure */
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size_t resultlen; /* length of the result */
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digest_init_func init;
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digest_update_func update;
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digest_final_func final;
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digest_complete_func complete;
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};
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const struct digest_algorithm *cryb_digest_algorithm(const char *);
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void *cryb_digest_init(const char *);
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void cryb_digest_update(void *, const void *, size_t);
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void cryb_digest_final(void *, void *);
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int cryb_digest_complete(const char *, const void *, size_t, void *);
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static inline void *
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digest_init(const char *alg)
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{
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return (cryb_digest_init(alg));
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}
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static inline void
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digest_update(void *ctx, const void *msg, size_t msglen)
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{
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cryb_digest_update(ctx, msg, msglen);
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}
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static inline void
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digest_final(void *ctx, void *md)
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{
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cryb_digest_final(ctx, md);
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}
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static inline int
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digest_complete(const char *alg, const void *msg, size_t msglen, void *md)
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{
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return (cryb_digest_complete(alg, msg, msglen, md));
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}
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#endif
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