mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 15:43:59 +08:00
f1939f7c56
This patch adds VMAC (a fast MAC) support into crypto framework. Signed-off-by: Shane Wang <shane.wang@intel.com> Signed-off-by: Joseph Cihula <joseph.cihula@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/*
|
|
* 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;
|
|
};
|
|
|
|
#endif /* __CRYPTO_VMAC_H */
|