/* * 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 */ h=nds-private-remove&id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9'>diff
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