60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/* $NetBSD: cgd_crypto.h,v 1.10 2017/01/02 14:28:29 alnsn Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Roland C. Dowdeswell.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_CGD_CRYPTO_H_
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#define _DEV_CGD_CRYPTO_H_
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#ifdef _KERNEL
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#define CGD_CIPHER_DECRYPT 1
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#define CGD_CIPHER_ENCRYPT 2
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#define CGD_AES_BLOCK_SIZE 16
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#define CGD_3DES_BLOCK_SIZE 8
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#define CGD_BF_BLOCK_SIZE 8
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typedef void *(cfunc_init)(size_t, const void *, size_t *);
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typedef void (cfunc_destroy)(void *);
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typedef void (cfunc_cipher)(void *, struct uio *, struct uio *, const void *,
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int);
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typedef void (cfunc_cipher_prep)(void *, char *, const char *, size_t, int);
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struct cryptfuncs {
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const char *cf_name; /* cipher name */
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cfunc_init *cf_init; /* Initialisation function */
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cfunc_destroy *cf_destroy; /* destruction function */
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cfunc_cipher *cf_cipher; /* the cipher itself */
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cfunc_cipher_prep *cf_cipher_prep; /* prepare to cipher */
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};
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const struct cryptfuncs *cryptfuncs_find(const char *);
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#endif /* _KERNEL */
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#endif /* _DEV_CGD_CRYPTO_H_ */
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