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cryb-to/include/cryb/sha224.h
Dag-Erling Smørgrav 479ffbba4a Remove author and sponsor tags; we'll deal with that some other way.
Remove $Cryb$ tags as it is likely that the code will move to git.
2014-08-01 14:31:07 +00:00

88 lines
3 KiB
C

/*-
* Copyright (c) 2005-2013 Colin Percival
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef CRYB_SHA224_H_INCLUDED
#define CRYB_SHA224_H_INCLUDED
#include <cryb/digest.h>
#define SHA224_BLOCK_LEN 64
#define SHA224_DIGEST_LEN 28
/*
* Use #defines in order to avoid namespace collisions with anyone else's
* SHA224 code (e.g., the code in OpenSSL).
*/
#define sha224_digest cryb_sha224_digest
#define sha224_ctx cryb_sha224_ctx
#define sha224_init cryb_sha224_init
#define sha224_update cryb_sha224_update
#define sha224_final cryb_sha224_final
#define sha224_complete cryb_sha224_complete
extern digest_algorithm sha224_digest;
/* Context structure for SHA224 operations. */
typedef struct {
uint32_t state[8];
uint64_t count;
uint8_t buf[64];
} sha224_ctx;
/**
* sha224_init(ctx):
* Initialize the SHA224 context ${ctx}.
*/
void sha224_init(sha224_ctx *);
/**
* sha224_update(ctx, in, len):
* Input ${len} bytes from ${in} into the SHA224 context ${ctx}.
*/
void sha224_update(sha224_ctx *, const void *, size_t);
/**
* sha224_final(ctx, digest):
* Output the SHA224 hash of the data input to the context ${ctx} into the
* buffer ${digest}.
*/
void sha224_final(sha224_ctx *, uint8_t *);
/**
* sha224_complete(in, len, digest):
* Compute the SHA224 hash of ${len} bytes from $in} and write it to ${digest}.
*/
void sha224_complete(const void *, size_t, uint8_t *);
/**
* PBKDF2_SHA224(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA224 as the PRF, and
* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
*/
void pbkdf2_sha224(const uint8_t *, size_t, const uint8_t *, size_t,
uint64_t, uint8_t *, size_t);
#endif