51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
/*-
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* Copyright (c) 2000-2013 Mark R V Murray
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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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* in this position and unchanged.
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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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* $FreeBSD$
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*/
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#ifndef SYS_DEV_RANDOM_HASH_H_INCLUDED
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#define SYS_DEV_RANDOM_HASH_H_INCLUDED
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#define KEYSIZE 32 /* (in bytes) == 256 bits */
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#define BLOCKSIZE 16 /* (in bytes) == 128 bits */
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struct randomdev_hash { /* Big! Make static! */
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SHA256_CTX sha;
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};
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struct randomdev_key { /* Big! Make static! */
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keyInstance key; /* Key schedule */
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cipherInstance cipher; /* Rijndael internal */
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};
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void randomdev_hash_init(struct randomdev_hash *);
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void randomdev_hash_iterate(struct randomdev_hash *, const void *, size_t);
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void randomdev_hash_finish(struct randomdev_hash *, void *);
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void randomdev_encrypt_init(struct randomdev_key *, const void *);
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void randomdev_encrypt(struct randomdev_key *context, const void *, void *, u_int);
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#endif
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