/* * Modified to interface to the Linux kernel * Copyright (c) 2009, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. */ #ifndef __CRYPTO_VMAC_H#define __CRYPTO_VMAC_H /* -------------------------------------------------------------------------- * VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai. * This implementation is herby placed in the public domain. * The authors offers no warranty. Use at your own risk. * Please send bug reports to the authors. * Last modified: 17 APR 08, 1700 PDT * ----------------------------------------------------------------------- */ /* * User definable settings. */#define VMAC_TAG_LEN	64#define VMAC_KEY_SIZE	128/* Must be 128, 192 or 256			*/#define VMAC_KEY_LEN	(VMAC_KEY_SIZE/8)#define VMAC_NHBYTES	128/* Must 2^i for any 3 < i < 13 Standard = 128*/ /* * This implementation uses u32 and u64 as names for unsigned 32- * and 64-bit integer types. These are defined in C99 stdint.h. The * following may need adaptation if you are not running a C99 or * Microsoft C environment. */struct vmac_ctx {	u64 nhkey[(VMAC_NHBYTES/8)+2*(VMAC_TAG_LEN/64-1)];	u64 polykey[2*VMAC_TAG_LEN/64];	u64 l3key[2*VMAC_TAG_LEN/64];	u64 polytmp[2*VMAC_TAG_LEN/64];	u64 cached_nonce[2];	u64 cached_aes[2];	int first_block_processed;}; typedef u64 vmac_t; struct vmac_ctx_t {	struct crypto_cipher *child;	struct vmac_ctx __vmac_ctx;	u8 partial[VMAC_NHBYTES];	/* partial block */	int partial_size;		/* size of the partial block */}; #endif /* __CRYPTO_VMAC_H */