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/*-
* Copyright (c) 2000 Mark R V Murray
* 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
* in this position and unchanged.
* 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 ``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 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.
*
* $FreeBSD$
*/
#define KEYSIZE 32 /* in bytes - 32 bytes == 256 bits */
struct yarrowhash { /* Big! Make static! */
keyInstance hashkey; /* Data cycles through here */
cipherInstance cipher; /* Rijndael internal */
u_char hash[KEYSIZE]; /* Repeatedly encrypted */
u_char accum[KEYSIZE]; /* Accumulate partial chunks */
u_int partial; /* Keep track of < KEYSIZE chunks */
};
struct yarrowkey { /* Big! Make static! */
keyInstance key; /* Key schedule */
cipherInstance cipher; /* Rijndael internal */
};
void yarrow_hash_init(struct yarrowhash *);
void yarrow_hash_iterate(struct yarrowhash *, void *, size_t);
void yarrow_hash_finish(struct yarrowhash *, void *);
void yarrow_encrypt_init(struct yarrowkey *, void *);
void yarrow_encrypt(struct yarrowkey *context, void *, void *);
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