91e7adffd5
latest 20130316 sources. Changes since previous version: + this version is completely standalone, and relies on no external libraries (other than libc) + updated man page to reflect reality + minor configure script added
90 lines
3 KiB
C
90 lines
3 KiB
C
/*-
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* Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DIGEST_H_
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#define DIGEST_H_ 20100108
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#include <sys/types.h>
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#include <inttypes.h>
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#include "md5.h"
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#include "sha1.h"
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#include "sha2.h"
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#include "rmd160.h"
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#include "tiger.h"
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#ifndef __BEGIN_DECLS
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# if defined(__cplusplus)
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS }
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# else
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# define __BEGIN_DECLS
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# define __END_DECLS
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# endif
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#endif
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__BEGIN_DECLS
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#define MD5_HASH_ALG 1
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#define SHA1_HASH_ALG 2
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#define RIPEMD_HASH_ALG 3
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#define TIGER_HASH_ALG 6 /* from rfc2440 */
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#define SHA256_HASH_ALG 8
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#define SHA384_HASH_ALG 9
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#define SHA512_HASH_ALG 10
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#define SHA224_HASH_ALG 11
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#define TIGER2_HASH_ALG 100 /* private/experimental from rfc4880 */
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/* structure to describe digest methods */
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typedef struct digest_t {
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uint32_t alg; /* algorithm */
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size_t size; /* size */
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union {
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MD5_CTX md5ctx; /* MD5 */
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SHA1_CTX sha1ctx; /* SHA1 */
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RMD160_CTX rmd160ctx; /* RIPEMD */
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SHA256_CTX sha256ctx; /* SHA256 */
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SHA512_CTX sha512ctx; /* SHA512 */
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TIGER_CTX tigerctx; /* TIGER/TIGER2 */
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} u;
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void *prefix; /* points to specific prefix */
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uint32_t len; /* prefix length */
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void *ctx; /* pointer to context array */
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} digest_t;
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unsigned digest_get_alg(const char */*hashalg*/);
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int digest_init(digest_t */*digest*/, const uint32_t /*hashalg*/);
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int digest_update(digest_t */*digest*/, const uint8_t */*data*/, size_t /*size*/);
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unsigned digest_final(uint8_t */*out*/, digest_t */*digest*/);
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int digest_alg_size(unsigned /*alg*/);
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int digest_length(digest_t */*hash*/, unsigned /*hashedlen*/);
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unsigned digest_get_prefix(unsigned /*hashalg*/, uint8_t */*prefix*/, size_t /*size*/);
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__END_DECLS
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#endif
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